Merge with http://kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git

117 files changed, 1264 insertions, 1513 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 77bb0860691273..da6973adacda55 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1284,8 +1284,8 @@ T:	git kernel.org:/pub/scm/linux/kernel/git/roland/infiniband.git
 S:	Supported
 
 INPUT (KEYBOARD, MOUSE, JOYSTICK) DRIVERS
-P:	Vojtech Pavlik
-M:	vojtech@suse.cz
+P:	Dmitry Torokhov
+M:	dtor_core@ameritech.net
 L:	linux-input@atrey.karlin.mff.cuni.cz
 L:	linux-joystick@atrey.karlin.mff.cuni.cz
 T:	git kernel.org:/pub/scm/linux/kernel/git/dtor/input.git
diff --git a/arch/alpha/kernel/machvec_impl.h b/arch/alpha/kernel/machvec_impl.h
index 4959b7a3e1e6be..11f996f24fde5a 100644
--- a/arch/alpha/kernel/machvec_impl.h
+++ b/arch/alpha/kernel/machvec_impl.h
@@ -41,7 +41,7 @@
 #define CAT1(x,y)  x##y
 #define CAT(x,y)   CAT1(x,y)
 
-#define DO_DEFAULT_RTC rtc_port: 0x70
+#define DO_DEFAULT_RTC .rtc_port = 0x70
 
 #define DO_EV4_MMU							\
 	.max_asn =			EV4_MAX_ASN,			\
diff --git a/arch/arm/kernel/module.c b/arch/arm/kernel/module.c
index 6055e1427ba358..055bf5d2889409 100644
--- a/arch/arm/kernel/module.c
+++ b/arch/arm/kernel/module.c
@@ -101,6 +101,8 @@ apply_relocate(Elf32_Shdr *sechdrs, const char *strtab, unsigned int symindex,
 			break;
 
 		case R_ARM_PC24:
+		case R_ARM_CALL:
+		case R_ARM_JUMP24:
 			offset = (*(u32 *)loc & 0x00ffffff) << 2;
 			if (offset & 0x02000000)
 				offset -= 0x04000000;
diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c
index f74b9af112dcbe..852ea72d8c80bf 100644
--- a/arch/arm/mach-pxa/pm.c
+++ b/arch/arm/mach-pxa/pm.c
@@ -155,19 +155,20 @@ int pxa_pm_enter(suspend_state_t state)
 	PSPR = 0;
 
 	/* restore registers */
+	RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2);
+	RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2);
 	RESTORE(GAFR0_L); RESTORE(GAFR0_U);
 	RESTORE(GAFR1_L); RESTORE(GAFR1_U);
 	RESTORE(GAFR2_L); RESTORE(GAFR2_U);
-	RESTORE_GPLEVEL(0); RESTORE_GPLEVEL(1); RESTORE_GPLEVEL(2);
-	RESTORE(GPDR0); RESTORE(GPDR1); RESTORE(GPDR2);
 	RESTORE(GRER0); RESTORE(GRER1); RESTORE(GRER2);
 	RESTORE(GFER0); RESTORE(GFER1); RESTORE(GFER2);
 	RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2);
 
 #ifdef CONFIG_PXA27x
 	RESTORE(MDREFR);
-	RESTORE(GAFR3_L); RESTORE(GAFR3_U); RESTORE_GPLEVEL(3);
-	RESTORE(GPDR3); RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3);
+	RESTORE_GPLEVEL(3); RESTORE(GPDR3);
+	RESTORE(GAFR3_L); RESTORE(GAFR3_U);
+	RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3);
 	RESTORE(PWER); RESTORE(PCFR); RESTORE(PRER);
 	RESTORE(PFER); RESTORE(PKWR);
 #endif
diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index d16520da4550e6..9ed449af8e9fdd 100644
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -1338,8 +1338,7 @@ int __cpu_disable(void)
 	if (cpu == 0)
 		return -EBUSY;
 
-	/* We enable the timer again on the exit path of the death loop */
-	disable_APIC_timer();
+	clear_local_APIC();
 	/* Allow any queued timer interrupts to get serviced */
 	local_irq_enable();
 	mdelay(1);
diff --git a/arch/i386/mm/ioremap.c b/arch/i386/mm/ioremap.c
index 5d09de8d1c6b17..247fde76aaedda 100644
--- a/arch/i386/mm/ioremap.c
+++ b/arch/i386/mm/ioremap.c
@@ -223,9 +223,15 @@ void __iomem *ioremap_nocache (unsigned long phys_addr, unsigned long size)
 }
 EXPORT_SYMBOL(ioremap_nocache);
 
+/**
+ * iounmap - Free a IO remapping
+ * @addr: virtual address from ioremap_*
+ *
+ * Caller must ensure there is only one unmapping for the same pointer.
+ */
 void iounmap(volatile void __iomem *addr)
 {
-	struct vm_struct *p;
+	struct vm_struct *p, *o;
 
 	if ((void __force *)addr <= high_memory)
 		return;
@@ -239,22 +245,37 @@ void iounmap(volatile void __iomem *addr)
 			addr < phys_to_virt(ISA_END_ADDRESS))
 		return;
 
-	write_lock(&vmlist_lock);
-	p = __remove_vm_area((void *)(PAGE_MASK & (unsigned long __force)addr));
-	if (!p) { 
-		printk(KERN_WARNING "iounmap: bad address %p\n", addr);
+	addr = (volatile void __iomem *)(PAGE_MASK & (unsigned long __force)addr);
+
+	/* Use the vm area unlocked, assuming the caller
+	   ensures there isn't another iounmap for the same address
+	   in parallel. Reuse of the virtual address is prevented by
+	   leaving it in the global lists until we're done with it.
+	   cpa takes care of the direct mappings. */
+	read_lock(&vmlist_lock);
+	for (p = vmlist; p; p = p->next) {
+		if (p->addr == addr)
+			break;
+	}
+	read_unlock(&vmlist_lock);
+
+	if (!p) {
+		printk("iounmap: bad address %p\n", addr);
 		dump_stack();
-		goto out_unlock;
+		return;
 	}
 
+	/* Reset the direct mapping. Can block */
 	if ((p->flags >> 20) && p->phys_addr < virt_to_phys(high_memory) - 1) {
 		change_page_attr(virt_to_page(__va(p->phys_addr)),
 				 p->size >> PAGE_SHIFT,
 				 PAGE_KERNEL);
 		global_flush_tlb();
 	} 
-out_unlock:
-	write_unlock(&vmlist_lock);
+
+	/* Finally remove it */
+	o = remove_vm_area((void *)addr);
+	BUG_ON(p != o || o == NULL);
 	kfree(p); 
 }
 EXPORT_SYMBOL(iounmap);
diff --git a/arch/i386/pci/direct.c b/arch/i386/pci/direct.c
index 94331d6be7a366..e3ac502bf2fbac 100644
--- a/arch/i386/pci/direct.c
+++ b/arch/i386/pci/direct.c
@@ -13,7 +13,7 @@
 #define PCI_CONF1_ADDRESS(bus, devfn, reg) \
 	(0x80000000 | (bus << 16) | (devfn << 8) | (reg & ~3))
 
-static int pci_conf1_read(unsigned int seg, unsigned int bus,
+int pci_conf1_read(unsigned int seg, unsigned int bus,
 			  unsigned int devfn, int reg, int len, u32 *value)
 {
 	unsigned long flags;
@@ -42,7 +42,7 @@ static int pci_conf1_read(unsigned int seg, unsigned int bus,
 	return 0;
 }
 
-static int pci_conf1_write(unsigned int seg, unsigned int bus,
+int pci_conf1_write(unsigned int seg, unsigned int bus,
 			   unsigned int devfn, int reg, int len, u32 value)
 {
 	unsigned long flags;
diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c
index dfbf80cff8346a..4bb4d4b0f73ad0 100644
--- a/arch/i386/pci/mmconfig.c
+++ b/arch/i386/pci/mmconfig.c
@@ -19,21 +19,25 @@
 /* The base address of the last MMCONFIG device accessed */
 static u32 mmcfg_last_accessed_device;
 
+static DECLARE_BITMAP(fallback_slots, 32);
+
 /*
  * Functions for accessing PCI configuration space with MMCONFIG accesses
  */
-static u32 get_base_addr(unsigned int seg, int bus)
+static u32 get_base_addr(unsigned int seg, int bus, unsigned devfn)
 {
 	int cfg_num = -1;
 	struct acpi_table_mcfg_config *cfg;
 
+	if (seg == 0 && bus == 0 &&
+	    test_bit(PCI_SLOT(devfn), fallback_slots))
+		return 0;
+
 	while (1) {
 		++cfg_num;
 		if (cfg_num >= pci_mmcfg_config_num) {
-			/* something bad is going on, no cfg table is found. */
-			/* so we fall back to the old way we used to do this */
-			/* and just rely on the first entry to be correct. */
-			return pci_mmcfg_config[0].base_address;
+			/* Not found - fallback to type 1 */
+			return 0;
 		}
 		cfg = &pci_mmcfg_config[cfg_num];
 		if (cfg->pci_segment_group_number != seg)
@@ -44,9 +48,9 @@ static u32 get_base_addr(unsigned int seg, int bus)
 	}
 }
 
-static inline void pci_exp_set_dev_base(unsigned int seg, int bus, int devfn)
+static inline void pci_exp_set_dev_base(unsigned int base, int bus, int devfn)
 {
-	u32 dev_base = get_base_addr(seg, bus) | (bus << 20) | (devfn << 12);
+	u32 dev_base = base | (bus << 20) | (devfn << 12);
 	if (dev_base != mmcfg_last_accessed_device) {
 		mmcfg_last_accessed_device = dev_base;
 		set_fixmap_nocache(FIX_PCIE_MCFG, dev_base);
@@ -57,13 +61,18 @@ static int pci_mmcfg_read(unsigned int seg, unsigned int bus,
 			  unsigned int devfn, int reg, int len, u32 *value)
 {
 	unsigned long flags;
+	u32 base;
 
 	if (!value || (bus > 255) || (devfn > 255) || (reg > 4095))
 		return -EINVAL;
 
+	base = get_base_addr(seg, bus, devfn);
+	if (!base)
+		return pci_conf1_read(seg,bus,devfn,reg,len,value);
+
 	spin_lock_irqsave(&pci_config_lock, flags);
 
-	pci_exp_set_dev_base(seg, bus, devfn);
+	pci_exp_set_dev_base(base, bus, devfn);
 
 	switch (len) {
 	case 1:
@@ -86,13 +95,18 @@ static int pci_mmcfg_write(unsigned int seg, unsigned int bus,
 			   unsigned int devfn, int reg, int len, u32 value)
 {
 	unsigned long flags;
+	u32 base;
 
 	if ((bus > 255) || (devfn > 255) || (reg > 4095)) 
 		return -EINVAL;
 
+	base = get_base_addr(seg, bus, devfn);
+	if (!base)
+		return pci_conf1_write(seg,bus,devfn,reg,len,value);
+
 	spin_lock_irqsave(&pci_config_lock, flags);
 
-	pci_exp_set_dev_base(seg, bus, devfn);
+	pci_exp_set_dev_base(base, bus, devfn);
 
 	switch (len) {
 	case 1:
@@ -116,6 +130,37 @@ static struct pci_raw_ops pci_mmcfg = {
 	.write =	pci_mmcfg_write,
 };
 
+/* K8 systems have some devices (typically in the builtin northbridge)
+   that are only accessible using type1
+   Normally this can be expressed in the MCFG by not listing them
+   and assigning suitable _SEGs, but this isn't implemented in some BIOS.
+   Instead try to discover all devices on bus 0 that are unreachable using MM
+   and fallback for them.
+   We only do this for bus 0/seg 0 */
+static __init void unreachable_devices(void)
+{
+	int i;
+	unsigned long flags;
+
+	for (i = 0; i < 32; i++) {
+		u32 val1;
+		u32 addr;
+
+		pci_conf1_read(0, 0, PCI_DEVFN(i, 0), 0, 4, &val1);
+		if (val1 == 0xffffffff)
+			continue;
+
+		/* Locking probably not needed, but safer */
+		spin_lock_irqsave(&pci_config_lock, flags);
+		addr = get_base_addr(0, 0, PCI_DEVFN(i, 0));
+		if (addr != 0)
+			pci_exp_set_dev_base(addr, 0, PCI_DEVFN(i, 0));
+		if (addr == 0 || readl((u32 __iomem *)mmcfg_virt_addr) != val1)
+			set_bit(i, fallback_slots);
+		spin_unlock_irqrestore(&pci_config_lock, flags);
+	}
+}
+
 static int __init pci_mmcfg_init(void)
 {
 	if ((pci_probe & PCI_PROBE_MMCONF) == 0)
@@ -131,6 +176,8 @@ static int __init pci_mmcfg_init(void)
 	raw_pci_ops = &pci_mmcfg;
 	pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF;
 
+	unreachable_devices();
+
  out:
 	return 0;
 }
diff --git a/arch/i386/pci/pci.h b/arch/i386/pci/pci.h
index 127d53ad16bef0..f550781ec3105f 100644
--- a/arch/i386/pci/pci.h
+++ b/arch/i386/pci/pci.h
@@ -74,3 +74,10 @@ extern spinlock_t pci_config_lock;
 
 extern int (*pcibios_enable_irq)(struct pci_dev *dev);
 extern void (*pcibios_disable_irq)(struct pci_dev *dev);
+
+extern int pci_conf1_write(unsigned int seg, unsigned int bus,
+			   unsigned int devfn, int reg, int len, u32 value);
+extern int pci_conf1_read(unsigned int seg, unsigned int bus,
+			  unsigned int devfn, int reg, int len, u32 *value);
+
+
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index a4da715a360ca7..e9904c74d2ba61 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -721,11 +721,13 @@ flush_thread (void)
 	/* drop floating-point and debug-register state if it exists: */
 	current->thread.flags &= ~(IA64_THREAD_FPH_VALID | IA64_THREAD_DBG_VALID);
 	ia64_drop_fpu(current);
+#ifdef CONFIG_IA32_SUPPORT
 	if (IS_IA32_PROCESS(ia64_task_regs(current))) {
 		ia32_drop_partial_page_list(current);
 		current->thread.task_size = IA32_PAGE_OFFSET;
 		set_fs(USER_DS);
 	}
+#endif
 }
 
 /*
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_reg.c b/arch/ia64/sn/pci/pcibr/pcibr_reg.c
index 5d534091262c9f..79fdb91d7259f9 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_reg.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_reg.c
@@ -25,7 +25,7 @@ union br_ptr {
  */
 void pcireg_control_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
 	if (pcibus_info) {
 		switch (pcibus_info->pbi_bridge_type) {
@@ -38,14 +38,14 @@ void pcireg_control_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits)
 		default:
 			panic
 			    ("pcireg_control_bit_clr: unknown bridgetype bridge 0x%p",
-			     (void *)ptr);
+			     ptr);
 		}
 	}
 }
 
 void pcireg_control_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
 	if (pcibus_info) {
 		switch (pcibus_info->pbi_bridge_type) {
@@ -58,7 +58,7 @@ void pcireg_control_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
 		default:
 			panic
 			    ("pcireg_control_bit_set: unknown bridgetype bridge 0x%p",
-			     (void *)ptr);
+			     ptr);
 		}
 	}
 }
@@ -68,7 +68,7 @@ void pcireg_control_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
  */
 uint64_t pcireg_tflush_get(struct pcibus_info *pcibus_info)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 	uint64_t ret = 0;
 
 	if (pcibus_info) {
@@ -82,7 +82,7 @@ uint64_t pcireg_tflush_get(struct pcibus_info *pcibus_info)
 		default:
 			panic
 			    ("pcireg_tflush_get: unknown bridgetype bridge 0x%p",
-			     (void *)ptr);
+			     ptr);
 		}
 	}
 
@@ -98,7 +98,7 @@ uint64_t pcireg_tflush_get(struct pcibus_info *pcibus_info)
  */
 uint64_t pcireg_intr_status_get(struct pcibus_info * pcibus_info)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 	uint64_t ret = 0;
 
 	if (pcibus_info) {
@@ -112,7 +112,7 @@ uint64_t pcireg_intr_status_get(struct pcibus_info * pcibus_info)
 		default:
 			panic
 			    ("pcireg_intr_status_get: unknown bridgetype bridge 0x%p",
-			     (void *)ptr);
+			     ptr);
 		}
 	}
 	return ret;
@@ -123,7 +123,7 @@ uint64_t pcireg_intr_status_get(struct pcibus_info * pcibus_info)
  */
 void pcireg_intr_enable_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
 	if (pcibus_info) {
 		switch (pcibus_info->pbi_bridge_type) {
@@ -136,14 +136,14 @@ void pcireg_intr_enable_bit_clr(struct pcibus_info *pcibus_info, uint64_t bits)
 		default:
 			panic
 			    ("pcireg_intr_enable_bit_clr: unknown bridgetype bridge 0x%p",
-			     (void *)ptr);
+			     ptr);
 		}
 	}
 }
 
 void pcireg_intr_enable_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
 	if (pcibus_info) {
 		switch (pcibus_info->pbi_bridge_type) {
@@ -156,7 +156,7 @@ void pcireg_intr_enable_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
 		default:
 			panic
 			    ("pcireg_intr_enable_bit_set: unknown bridgetype bridge 0x%p",
-			     (void *)ptr);
+			     ptr);
 		}
 	}
 }
@@ -167,7 +167,7 @@ void pcireg_intr_enable_bit_set(struct pcibus_info *pcibus_info, uint64_t bits)
 void pcireg_intr_addr_addr_set(struct pcibus_info *pcibus_info, int int_n,
 			       uint64_t addr)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
 	if (pcibus_info) {
 		switch (pcibus_info->pbi_bridge_type) {
@@ -186,7 +186,7 @@ void pcireg_intr_addr_addr_set(struct pcibus_info *pcibus_info, int int_n,
 		default:
 			panic
 			    ("pcireg_intr_addr_addr_get: unknown bridgetype bridge 0x%p",
-			     (void *)ptr);
+			     ptr);
 		}
 	}
 }
@@ -196,7 +196,7 @@ void pcireg_intr_addr_addr_set(struct pcibus_info *pcibus_info, int int_n,
  */
 void pcireg_force_intr_set(struct pcibus_info *pcibus_info, int int_n)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
 	if (pcibus_info) {
 		switch (pcibus_info->pbi_bridge_type) {
@@ -209,7 +209,7 @@ void pcireg_force_intr_set(struct pcibus_info *pcibus_info, int int_n)
 		default:
 			panic
 			    ("pcireg_force_intr_set: unknown bridgetype bridge 0x%p",
-			     (void *)ptr);
+			     ptr);
 		}
 	}
 }
@@ -219,7 +219,7 @@ void pcireg_force_intr_set(struct pcibus_info *pcibus_info, int int_n)
  */
 uint64_t pcireg_wrb_flush_get(struct pcibus_info *pcibus_info, int device)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 	uint64_t ret = 0;
 
 	if (pcibus_info) {
@@ -233,7 +233,7 @@ uint64_t pcireg_wrb_flush_get(struct pcibus_info *pcibus_info, int device)
 			    __sn_readq_relaxed(&ptr->pic.p_wr_req_buf[device]);
 			break;
 		default:
-		      panic("pcireg_wrb_flush_get: unknown bridgetype bridge 0x%p", (void *)ptr);
+		      panic("pcireg_wrb_flush_get: unknown bridgetype bridge 0x%p", ptr);
 		}
 
 	}
@@ -244,7 +244,7 @@ uint64_t pcireg_wrb_flush_get(struct pcibus_info *pcibus_info, int device)
 void pcireg_int_ate_set(struct pcibus_info *pcibus_info, int ate_index,
 			uint64_t val)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
 
 	if (pcibus_info) {
 		switch (pcibus_info->pbi_bridge_type) {
@@ -257,15 +257,15 @@ void pcireg_int_ate_set(struct pcibus_info *pcibus_info, int ate_index,
 		default:
 			panic
 			    ("pcireg_int_ate_set: unknown bridgetype bridge 0x%p",
-			     (void *)ptr);
+			     ptr);
 		}
 	}
 }
 
-uint64_t *pcireg_int_ate_addr(struct pcibus_info *pcibus_info, int ate_index)
+uint64_t __iomem *pcireg_int_ate_addr(struct pcibus_info *pcibus_info, int ate_index)
 {
-	union br_ptr *ptr = (union br_ptr *)pcibus_info->pbi_buscommon.bs_base;
-	uint64_t *ret = (uint64_t *) 0;
+	union br_ptr __iomem *ptr = (union br_ptr __iomem *)pcibus_info->pbi_buscommon.bs_base;
+	uint64_t __iomem *ret = NULL;
 
 	if (pcibus_info) {
 		switch (pcibus_info->pbi_bridge_type) {
@@ -278,7 +278,7 @@ uint64_t *pcireg_int_ate_addr(struct pcibus_info *pcibus_info, int ate_index)
 		default:
 			panic
 			    ("pcireg_int_ate_addr: unknown bridgetype bridge 0x%p",
-			     (void *)ptr);
+			     ptr);
 		}
 	}
 	return ret;
diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c
index 46b646a6d3459b..27aa1842daccb0 100644
--- a/arch/ia64/sn/pci/tioca_provider.c
+++ b/arch/ia64/sn/pci/tioca_provider.c
@@ -38,10 +38,10 @@ tioca_gart_init(struct tioca_kernel *tioca_kern)
 	uint64_t offset;
 	struct page *tmp;
 	struct tioca_common *tioca_common;
-	struct tioca *ca_base;
+	struct tioca __iomem *ca_base;
 
 	tioca_common = tioca_kern->ca_common;
-	ca_base = (struct tioca *)tioca_common->ca_common.bs_base;
+	ca_base = (struct tioca __iomem *)tioca_common->ca_common.bs_base;
 
 	if (list_empty(tioca_kern->ca_devices))
 		return 0;
@@ -215,7 +215,7 @@ tioca_fastwrite_enable(struct tioca_kernel *tioca_kern)
 {
 	int cap_ptr;
 	uint32_t reg;
-	struct tioca *tioca_base;
+	struct tioca __iomem *tioca_base;
 	struct pci_dev *pdev;
 	struct tioca_common *common;
 
@@ -257,7 +257,7 @@ tioca_fastwrite_enable(struct tioca_kernel *tioca_kern)
 	 * Set ca's fw to match
 	 */
 
-	tioca_base = (struct tioca *)common->ca_common.bs_base;
+	tioca_base = (struct tioca __iomem*)common->ca_common.bs_base;
 	__sn_setq_relaxed(&tioca_base->ca_control1, CA_AGP_FW_ENABLE);
 }
 
@@ -322,7 +322,7 @@ static uint64_t
 tioca_dma_d48(struct pci_dev *pdev, uint64_t paddr)
 {
 	struct tioca_common *tioca_common;
-	struct tioca *ca_base;
+	struct tioca __iomem *ca_base;
 	uint64_t ct_addr;
 	dma_addr_t bus_addr;
 	uint32_t node_upper;
@@ -330,7 +330,7 @@ tioca_dma_d48(struct pci_dev *pdev, uint64_t paddr)
 	struct pcidev_info *pcidev_info = SN_PCIDEV_INFO(pdev);
 
 	tioca_common = (struct tioca_common *)pcidev_info->pdi_pcibus_info;
-	ca_base = (struct tioca *)tioca_common->ca_common.bs_base;
+	ca_base = (struct tioca __iomem *)tioca_common->ca_common.bs_base;
 
 	ct_addr = PHYS_TO_TIODMA(paddr);
 	if (!ct_addr)
diff --git a/arch/powerpc/kernel/syscalls.c b/arch/powerpc/kernel/syscalls.c
index f72ced11212d50..91b93d917b64ae 100644
--- a/arch/powerpc/kernel/syscalls.c
+++ b/arch/powerpc/kernel/syscalls.c
@@ -247,7 +247,7 @@ long ppc64_personality(unsigned long personality)
 #define OVERRIDE_MACHINE    0
 #endif
 
-static inline int override_machine(char *mach)
+static inline int override_machine(char __user *mach)
 {
 	if (OVERRIDE_MACHINE) {
 		/* change ppc64 to ppc */
diff --git a/arch/sparc/kernel/ebus.c b/arch/sparc/kernel/ebus.c
index 1754192c69d0db..5c3529ceb5d601 100644
--- a/arch/sparc/kernel/ebus.c
+++ b/arch/sparc/kernel/ebus.c
@@ -22,7 +22,7 @@
 #include <asm/oplib.h>
 #include <asm/bpp.h>
 
-struct linux_ebus *ebus_chain = 0;
+struct linux_ebus *ebus_chain = NULL;
 
 /* We are together with pcic.c under CONFIG_PCI. */
 extern unsigned int pcic_pin_to_irq(unsigned int, char *name);
@@ -46,7 +46,7 @@ static struct ebus_device_irq je1_1[] = {
 	{ "SUNW,CS4231",	 0 },
 	{ "parallel",		 0 },
 	{ "se",			 2 },
-	{ 0, 0 }
+	{ NULL, 0 }
 };
 
 /*
@@ -55,7 +55,7 @@ static struct ebus_device_irq je1_1[] = {
  */
 static struct ebus_system_entry ebus_blacklist[] = {
 	{ "SUNW,JavaEngine1", je1_1 },
-	{ 0, 0 }
+	{ NULL, NULL }
 };
 
 static struct ebus_device_irq *ebus_blackp = NULL;
@@ -233,7 +233,7 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
 			ebus_alloc(sizeof(struct linux_ebus_child));
 
 		child = dev->children;
-		child->next = 0;
+		child->next = NULL;
 		child->parent = dev;
 		child->bus = dev->bus;
 		fill_ebus_child(node, &regs[0], child);
@@ -243,7 +243,7 @@ void __init fill_ebus_device(int node, struct linux_ebus_device *dev)
 				ebus_alloc(sizeof(struct linux_ebus_child));
 
 			child = child->next;
-			child->next = 0;
+			child->next = NULL;
 			child->parent = dev;
 			child->bus = dev->bus;
 			fill_ebus_child(node, &regs[0], child);
@@ -275,7 +275,7 @@ void __init ebus_init(void)
 		}
 	}
 
-	pdev = pci_get_device(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_EBUS, 0);
+	pdev = pci_get_device(PCI_VENDOR_ID_SUN, PCI_DEVICE_ID_SUN_EBUS, NULL);
 	if (!pdev) {
 		return;
 	}
@@ -284,7 +284,7 @@ void __init ebus_init(void)
 
 	ebus_chain = ebus = (struct linux_ebus *)
 			ebus_alloc(sizeof(struct linux_ebus));
-	ebus->next = 0;
+	ebus->next = NULL;
 
 	while (ebusnd) {
 
@@ -325,8 +325,8 @@ void __init ebus_init(void)
 				ebus_alloc(sizeof(struct linux_ebus_device));
 
 		dev = ebus->devices;
-		dev->next = 0;
-		dev->children = 0;
+		dev->next = NULL;
+		dev->children = NULL;
 		dev->bus = ebus;
 		fill_ebus_device(nd, dev);
 
@@ -335,8 +335,8 @@ void __init ebus_init(void)
 				ebus_alloc(sizeof(struct linux_ebus_device));
 
 			dev = dev->next;
-			dev->next = 0;
-			dev->children = 0;
+			dev->next = NULL;
+			dev->children = NULL;
 			dev->bus = ebus;
 			fill_ebus_device(nd, dev);
 		}
@@ -353,7 +353,7 @@ void __init ebus_init(void)
 		ebus->next = (struct linux_ebus *)
 			ebus_alloc(sizeof(struct linux_ebus));
 		ebus = ebus->next;
-		ebus->next = 0;
+		ebus->next = NULL;
 		++num_ebus;
 	}
 	if (pdev)
diff --git a/arch/sparc/kernel/led.c b/arch/sparc/kernel/led.c
index 2a3afca453c9ec..313d1620ae8ec6 100644
--- a/arch/sparc/kernel/led.c
+++ b/arch/sparc/kernel/led.c
@@ -55,7 +55,7 @@ static int led_read_proc(char *buf, char **start, off_t offset, int count,
 	return len;
 }
 
-static int led_write_proc(struct file *file, const char *buffer,
+static int led_write_proc(struct file *file, const char __user *buffer,
 			  unsigned long count, void *data)
 {
 	char *buf = NULL;
diff --git a/arch/sparc/kernel/pcic.c b/arch/sparc/kernel/pcic.c
index cccfc12802ed77..42002b742debe7 100644
--- a/arch/sparc/kernel/pcic.c
+++ b/arch/sparc/kernel/pcic.c
@@ -161,7 +161,7 @@ static struct pcic_sn2list pcic_known_sysnames[] = {
 static int pcic0_up;
 static struct linux_pcic pcic0;
 
-void * __iomem pcic_regs;
+void __iomem *pcic_regs;
 volatile int pcic_speculative;
 volatile int pcic_trapped;
 
diff --git a/arch/sparc/kernel/time.c b/arch/sparc/kernel/time.c
index 24814d58f9e103..7dadcdb4ca4254 100644
--- a/arch/sparc/kernel/time.c
+++ b/arch/sparc/kernel/time.c
@@ -49,7 +49,7 @@ DEFINE_SPINLOCK(rtc_lock);
 enum sparc_clock_type sp_clock_typ;
 DEFINE_SPINLOCK(mostek_lock);
 void __iomem *mstk48t02_regs = NULL;
-static struct mostek48t08 *mstk48t08_regs = NULL;
+static struct mostek48t08 __iomem *mstk48t08_regs = NULL;
 static int set_rtc_mmss(unsigned long);
 static int sbus_do_settimeofday(struct timespec *tv);
 
@@ -342,7 +342,7 @@ static __inline__ void clock_probe(void)
 		/* XXX r/o attribute is somewhere in r.flags */
 		r.flags = clk_reg[0].which_io;
 		r.start = clk_reg[0].phys_addr;
-		mstk48t08_regs = (struct mostek48t08 *) sbus_ioremap(&r, 0,
+		mstk48t08_regs = sbus_ioremap(&r, 0,
 		    sizeof(struct mostek48t08), "mk48t08");
 
 		mstk48t02_regs = &mstk48t08_regs->regs;
diff --git a/arch/sparc/mm/sun4c.c b/arch/sparc/mm/sun4c.c
index 1d560390e28212..731f19603cad71 100644
--- a/arch/sparc/mm/sun4c.c
+++ b/arch/sparc/mm/sun4c.c
@@ -497,7 +497,7 @@ static void __init sun4c_probe_mmu(void)
 	patch_kernel_fault_handler();
 }
 
-volatile unsigned long *sun4c_memerr_reg = NULL;
+volatile unsigned long __iomem *sun4c_memerr_reg = NULL;
 
 void __init sun4c_probe_memerr_reg(void)
 {
diff --git a/arch/x86_64/ia32/ia32_binfmt.c b/arch/x86_64/ia32/ia32_binfmt.c
index 830feb272eca43..2b760d0d9ce292 100644
--- a/arch/x86_64/ia32/ia32_binfmt.c
+++ b/arch/x86_64/ia32/ia32_binfmt.c
@@ -217,8 +217,7 @@ elf_core_copy_task_fpregs(struct task_struct *tsk, struct pt_regs *regs, elf_fpr
 	if (!tsk_used_math(tsk))
 		return 0;
 	if (!regs)
-		regs = (struct pt_regs *)tsk->thread.rsp0;
-	--regs;
+		regs = ((struct pt_regs *)tsk->thread.rsp0) - 1;
 	if (tsk == current)
 		unlazy_fpu(tsk);
 	set_fs(KERNEL_DS); 
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index 683c33f7b96753..ecbd7b83acc1ff 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -1181,7 +1181,7 @@ int __cpu_disable(void)
 	if (cpu == 0)
 		return -EBUSY;
 
-	disable_APIC_timer();
+	clear_local_APIC();
 
 	/*
 	 * HACK:
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index fdaddc4e52847a..74102796e5c06d 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -59,7 +59,7 @@ static int notsc __initdata = 0;
 unsigned int cpu_khz;					/* TSC clocks / usec, not used here */
 static unsigned long hpet_period;			/* fsecs / HPET clock */
 unsigned long hpet_tick;				/* HPET clocks / interrupt */
-static int hpet_use_timer;
+static int hpet_use_timer;				/* Use counter of hpet for time keeping, otherwise PIT */
 unsigned long vxtime_hz = PIT_TICK_RATE;
 int report_lost_ticks;				/* command line option */
 unsigned long long monotonic_base;
@@ -908,12 +908,14 @@ void __init time_init(void)
 	if (!hpet_init())
                 vxtime_hz = (1000000000000000L + hpet_period / 2) /
 			hpet_period;
+	else
+		vxtime.hpet_address = 0;
 
 	if (hpet_use_timer) {
 		cpu_khz = hpet_calibrate_tsc();
 		timename = "HPET";
 #ifdef CONFIG_X86_PM_TIMER
-	} else if (pmtmr_ioport) {
+	} else if (pmtmr_ioport && !vxtime.hpet_address) {
 		vxtime_hz = PM_TIMER_FREQUENCY;
 		timename = "PM";
 		pit_init();
diff --git a/arch/x86_64/mm/ioremap.c b/arch/x86_64/mm/ioremap.c
index ecf7acb5db9b4b..ae207064201e19 100644
--- a/arch/x86_64/mm/ioremap.c
+++ b/arch/x86_64/mm/ioremap.c
@@ -247,9 +247,15 @@ void __iomem *ioremap_nocache (unsigned long phys_addr, unsigned long size)
 	return __ioremap(phys_addr, size, _PAGE_PCD);
 }
 
+/**
+ * iounmap - Free a IO remapping
+ * @addr: virtual address from ioremap_*
+ *
+ * Caller must ensure there is only one unmapping for the same pointer.
+ */
 void iounmap(volatile void __iomem *addr)
 {
-	struct vm_struct *p;
+	struct vm_struct *p, *o;
 
 	if (addr <= high_memory) 
 		return; 
@@ -257,12 +263,31 @@ void iounmap(volatile void __iomem *addr)
 		addr < phys_to_virt(ISA_END_ADDRESS))
 		return;
 
-	write_lock(&vmlist_lock);
-	p = __remove_vm_area((void *)((unsigned long)addr & PAGE_MASK));
-	if (!p)
+	addr = (volatile void __iomem *)(PAGE_MASK & (unsigned long __force)addr);
+	/* Use the vm area unlocked, assuming the caller
+	   ensures there isn't another iounmap for the same address
+	   in parallel. Reuse of the virtual address is prevented by
+	   leaving it in the global lists until we're done with it.
+	   cpa takes care of the direct mappings. */
+	read_lock(&vmlist_lock);
+	for (p = vmlist; p; p = p->next) {
+		if (p->addr == addr)
+			break;
+	}
+	read_unlock(&vmlist_lock);
+
+	if (!p) {
 		printk("iounmap: bad address %p\n", addr);
-	else if (p->flags >> 20)
+		dump_stack();
+		return;
+	}
+
+	/* Reset the direct mapping. Can block */
+	if (p->flags >> 20)
 		ioremap_change_attr(p->phys_addr, p->size, 0);
-	write_unlock(&vmlist_lock);
+
+	/* Finally remove it */
+	o = remove_vm_area((void *)addr);
+	BUG_ON(p != o || o == NULL);
 	kfree(p); 
 }
diff --git a/arch/x86_64/mm/numa.c b/arch/x86_64/mm/numa.c
index a828a01739cc79..15b67d2760cbf8 100644
--- a/arch/x86_64/mm/numa.c
+++ b/arch/x86_64/mm/numa.c
@@ -53,6 +53,8 @@ static int __init populate_memnodemap(
 	int res = -1;
 	unsigned long addr, end;
 
+	if (shift >= 64)
+		return -1;
 	memset(memnodemap, 0xff, sizeof(memnodemap));
 	for (i = 0; i < numnodes; i++) {
 		addr = nodes[i].start;
@@ -65,7 +67,7 @@ static int __init populate_memnodemap(
 			if (memnodemap[addr >> shift] != 0xff)
 				return -1;
 			memnodemap[addr >> shift] = i;
-			addr += (1 << shift);
+                       addr += (1UL << shift);
 		} while (addr < end);
 		res = 1;
 	} 
diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c
index a0838c4a94e4c0..f16c0d57c552f1 100644
--- a/arch/x86_64/pci/mmconfig.c
+++ b/arch/x86_64/pci/mmconfig.c
@@ -8,18 +8,21 @@
 #include <linux/pci.h>
 #include <linux/init.h>
 #include <linux/acpi.h>
+#include <linux/bitmap.h>
 #include "pci.h"
 
 #define MMCONFIG_APER_SIZE (256*1024*1024)
 
+static DECLARE_BITMAP(fallback_slots, 32);
+
 /* Static virtual mapping of the MMCONFIG aperture */
 struct mmcfg_virt {
 	struct acpi_table_mcfg_config *cfg;
-	char *virt;
+	char __iomem *virt;
 };
 static struct mmcfg_virt *pci_mmcfg_virt;
 
-static char *get_virt(unsigned int seg, int bus)
+static char __iomem *get_virt(unsigned int seg, unsigned bus)
 {
 	int cfg_num = -1;
 	struct acpi_table_mcfg_config *cfg;
@@ -27,10 +30,9 @@ static char *get_virt(unsigned int seg, int bus)
 	while (1) {
 		++cfg_num;
 		if (cfg_num >= pci_mmcfg_config_num) {
-			/* something bad is going on, no cfg table is found. */
-			/* so we fall back to the old way we used to do this */
-			/* and just rely on the first entry to be correct. */
-			return pci_mmcfg_virt[0].virt;
+			/* Not found - fall back to type 1. This happens
+			   e.g. on the internal devices of a K8 northbridge. */
+			return NULL;
 		}
 		cfg = pci_mmcfg_virt[cfg_num].cfg;
 		if (cfg->pci_segment_group_number != seg)
@@ -41,20 +43,30 @@ static char *get_virt(unsigned int seg, int bus)
 	}
 }
 
-static inline char *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn)
+static char __iomem *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn)
 {
-
-	return get_virt(seg, bus) + ((bus << 20) | (devfn << 12));
+	char __iomem *addr;
+	if (seg == 0 && bus == 0 && test_bit(PCI_SLOT(devfn), &fallback_slots))
+		return NULL;
+	addr = get_virt(seg, bus);
+	if (!addr)
+		return NULL;
+ 	return addr + ((bus << 20) | (devfn << 12));
 }
 
 static int pci_mmcfg_read(unsigned int seg, unsigned int bus,
 			  unsigned int devfn, int reg, int len, u32 *value)
 {
-	char *addr = pci_dev_base(seg, bus, devfn);
+	char __iomem *addr;
 
+	/* Why do we have this when nobody checks it. How about a BUG()!? -AK */
 	if (unlikely(!value || (bus > 255) || (devfn > 255) || (reg > 4095)))
 		return -EINVAL;
 
+	addr = pci_dev_base(seg, bus, devfn);
+	if (!addr)
+		return pci_conf1_read(seg,bus,devfn,reg,len,value);
+
 	switch (len) {
 	case 1:
 		*value = readb(addr + reg);
@@ -73,11 +85,16 @@ static int pci_mmcfg_read(unsigned int seg, unsigned int bus,
 static int pci_mmcfg_write(unsigned int seg, unsigned int bus,
 			   unsigned int devfn, int reg, int len, u32 value)
 {
-	char *addr = pci_dev_base(seg, bus, devfn);
+	char __iomem *addr;
 
+	/* Why do we have this when nobody checks it. How about a BUG()!? -AK */
 	if (unlikely((bus > 255) || (devfn > 255) || (reg > 4095)))
 		return -EINVAL;
 
+	addr = pci_dev_base(seg, bus, devfn);
+	if (!addr)
+		return pci_conf1_write(seg,bus,devfn,reg,len,value);
+
 	switch (len) {
 	case 1:
 		writeb(value, addr + reg);
@@ -98,6 +115,30 @@ static struct pci_raw_ops pci_mmcfg = {
 	.write =	pci_mmcfg_write,
 };
 
+/* K8 systems have some devices (typically in the builtin northbridge)
+   that are only accessible using type1
+   Normally this can be expressed in the MCFG by not listing them
+   and assigning suitable _SEGs, but this isn't implemented in some BIOS.
+   Instead try to discover all devices on bus 0 that are unreachable using MM
+   and fallback for them.
+   We only do this for bus 0/seg 0 */
+static __init void unreachable_devices(void)
+{
+	int i;
+	for (i = 0; i < 32; i++) {
+		u32 val1;
+		char __iomem *addr;
+
+		pci_conf1_read(0, 0, PCI_DEVFN(i,0), 0, 4, &val1);
+		if (val1 == 0xffffffff)
+			continue;
+		addr = pci_dev_base(0, 0, PCI_DEVFN(i, 0));
+		if (addr == NULL|| readl(addr) != val1) {
+			set_bit(i, &fallback_slots);
+		}
+	}
+}
+
 static int __init pci_mmcfg_init(void)
 {
 	int i;
@@ -128,6 +169,8 @@ static int __init pci_mmcfg_init(void)
 		printk(KERN_INFO "PCI: Using MMCONFIG at %x\n", pci_mmcfg_config[i].base_address);
 	}
 
+	unreachable_devices();
+
 	raw_pci_ops = &pci_mmcfg;
 	pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF;
 
diff --git a/drivers/atm/adummy.c b/drivers/atm/adummy.c
index d15c194be44a72..d1387cfe2d30e2 100644
--- a/drivers/atm/adummy.c
+++ b/drivers/atm/adummy.c
@@ -123,7 +123,7 @@ static int __init adummy_init(void)
 	}
 	memset(adummy_dev, 0, sizeof(struct adummy_dev));
 
-	atm_dev = atm_dev_register(DEV_LABEL, &adummy_ops, -1, 0);
+	atm_dev = atm_dev_register(DEV_LABEL, &adummy_ops, -1, NULL);
 	if (!atm_dev) {
 		printk(KERN_ERR DEV_LABEL ": atm_dev_register() failed\n");
 		err = -ENODEV;
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index b7ddd651d664ec..bc3ca6a656b27c 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -28,7 +28,6 @@
 static struct sysdev_class memory_sysdev_class = {
 	set_kset_name(MEMORY_CLASS_NAME),
 };
-EXPORT_SYMBOL(memory_sysdev_class);
 
 static char *memory_hotplug_name(struct kset *kset, struct kobject *kobj)
 {
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index e34104d32637ac..c3441b3f086eab 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1464,8 +1464,10 @@ static int deregister_disk(struct gendisk *disk, drive_info_struct *drv,
 			request_queue_t *q = disk->queue;
 			if (disk->flags & GENHD_FL_UP)
 				del_gendisk(disk);
-			if (q)	
+			if (q) {
 				blk_cleanup_queue(q);
+				drv->queue = NULL;
+			}
 		}
 	}
 
diff --git a/drivers/char/drm/radeon_cp.c b/drivers/char/drm/radeon_cp.c
index 03839ea31092d2..95ae9e0892ac32 100644
--- a/drivers/char/drm/radeon_cp.c
+++ b/drivers/char/drm/radeon_cp.c
@@ -1312,6 +1312,8 @@ static void radeon_set_pcigart(drm_radeon_private_t * dev_priv, int on)
 static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
 {
 	drm_radeon_private_t *dev_priv = dev->dev_private;;
+	unsigned int mem_size;
+
 	DRM_DEBUG("\n");
 
 	dev_priv->is_pci = init->is_pci;
@@ -1521,8 +1523,11 @@ static int radeon_do_init_cp(drm_device_t * dev, drm_radeon_init_t * init)
 					  + dev_priv->fb_location) >> 10));
 
 	dev_priv->gart_size = init->gart_size;
-	dev_priv->gart_vm_start = dev_priv->fb_location
-	    + RADEON_READ(RADEON_CONFIG_APER_SIZE);
+
+	mem_size = RADEON_READ(RADEON_CONFIG_MEMSIZE);
+	if (mem_size == 0)
+		mem_size = 0x800000;
+	dev_priv->gart_vm_start = dev_priv->fb_location + mem_size;
 
 #if __OS_HAS_AGP
 	if (!dev_priv->is_pci)
diff --git a/drivers/char/drm/radeon_drv.h b/drivers/char/drm/radeon_drv.h
index 7bda7e33d2bdb0..d92ccee3e54c64 100644
--- a/drivers/char/drm/radeon_drv.h
+++ b/drivers/char/drm/radeon_drv.h
@@ -379,6 +379,7 @@ extern int r300_do_cp_cmdbuf(drm_device_t * dev, DRMFILE filp,
 #	define RADEON_PLL_WR_EN			(1 << 7)
 #define RADEON_CLOCK_CNTL_INDEX		0x0008
 #define RADEON_CONFIG_APER_SIZE		0x0108
+#define RADEON_CONFIG_MEMSIZE		0x00f8
 #define RADEON_CRTC_OFFSET		0x0224
 #define RADEON_CRTC_OFFSET_CNTL		0x0228
 #	define RADEON_CRTC_TILE_EN		(1 << 15)
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index 01a1f6badb53e4..beea450ee4b220 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -2399,7 +2399,8 @@ static int init_one_smi(int intf_num, struct smi_info **smi)
 			new_smi->handlers->cleanup(new_smi->si_sm);
 		kfree(new_smi->si_sm);
 	}
-	new_smi->io_cleanup(new_smi);
+	if (new_smi->io_cleanup)
+		new_smi->io_cleanup(new_smi);
 
 	return rv;
 }
@@ -2518,7 +2519,8 @@ static void __exit cleanup_one_si(struct smi_info *to_clean)
 
 	kfree(to_clean->si_sm);
 
-	to_clean->io_cleanup(to_clean);
+	if (to_clean->io_cleanup)
+		to_clean->io_cleanup(to_clean);
 }
 
 static __exit void cleanup_ipmi_si(void)
diff --git a/drivers/char/mwave/mwavepub.h b/drivers/char/mwave/mwavepub.h
index f1f9da7a65c1f4..60c961ae23b4c1 100644
--- a/drivers/char/mwave/mwavepub.h
+++ b/drivers/char/mwave/mwavepub.h
@@ -69,7 +69,7 @@ typedef struct _MW_ABILITIES {
 typedef struct _MW_READWRITE {
 	unsigned short usDspAddress;	/* The dsp address */
 	unsigned long ulDataLength;	/* The size in bytes of the data or user buffer */
-	void *pBuf;		/* Input:variable sized buffer */
+	void __user *pBuf;		/* Input:variable sized buffer */
 } MW_READWRITE, *pMW_READWRITE;
 
 #define IOCTL_MW_RESET           _IO(MWAVE_MINOR,1)
diff --git a/drivers/char/pcmcia/cm4000_cs.c b/drivers/char/pcmcia/cm4000_cs.c
index ef011ef5dc465c..61681c9f3f727c 100644
--- a/drivers/char/pcmcia/cm4000_cs.c
+++ b/drivers/char/pcmcia/cm4000_cs.c
@@ -1444,6 +1444,7 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 	dev_link_t *link;
 	int size;
 	int rc;
+	void __user *argp = (void __user *)arg;
 #ifdef PCMCIA_DEBUG
 	char *ioctl_names[CM_IOC_MAXNR + 1] = {
 		[_IOC_NR(CM_IOCGSTATUS)] "CM_IOCGSTATUS",
@@ -1481,11 +1482,11 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 	      _IOC_DIR(cmd), _IOC_READ, _IOC_WRITE, size, cmd);
 
 	if (_IOC_DIR(cmd) & _IOC_READ) {
-		if (!access_ok(VERIFY_WRITE, (void *)arg, size))
+		if (!access_ok(VERIFY_WRITE, argp, size))
 			return -EFAULT;
 	}
 	if (_IOC_DIR(cmd) & _IOC_WRITE) {
-		if (!access_ok(VERIFY_READ, (void *)arg, size))
+		if (!access_ok(VERIFY_READ, argp, size))
 			return -EFAULT;
 	}
 
@@ -1506,14 +1507,14 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 				status |= CM_NO_READER;
 			if (test_bit(IS_BAD_CARD, &dev->flags))
 				status |= CM_BAD_CARD;
-			if (copy_to_user((int *)arg, &status, sizeof(int)))
+			if (copy_to_user(argp, &status, sizeof(int)))
 				return -EFAULT;
 		}
 		return 0;
 	case CM_IOCGATR:
 		DEBUGP(4, dev, "... in CM_IOCGATR\n");
 		{
-			struct atreq *atreq = (struct atreq *) arg;
+			struct atreq __user *atreq = argp;
 			int tmp;
 			/* allow nonblocking io and being interrupted */
 			if (wait_event_interruptible
@@ -1597,7 +1598,7 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 		{
 			struct ptsreq krnptsreq;
 
-			if (copy_from_user(&krnptsreq, (struct ptsreq *) arg,
+			if (copy_from_user(&krnptsreq, argp,
 					   sizeof(struct ptsreq)))
 				return -EFAULT;
 
@@ -1641,7 +1642,7 @@ static int cmm_ioctl(struct inode *inode, struct file *filp, unsigned int cmd,
 			int old_pc_debug = 0;
 
 			old_pc_debug = pc_debug;
-			if (copy_from_user(&pc_debug, (int *)arg, sizeof(int)))
+			if (copy_from_user(&pc_debug, argp, sizeof(int)))
 				return -EFAULT;
 
 			if (old_pc_debug != pc_debug)
diff --git a/drivers/char/watchdog/booke_wdt.c b/drivers/char/watchdog/booke_wdt.c
index 65830ec71042f0..c800cce73c1e7b 100644
--- a/drivers/char/watchdog/booke_wdt.c
+++ b/drivers/char/watchdog/booke_wdt.c
@@ -72,7 +72,7 @@ static __inline__ void booke_wdt_ping(void)
 /*
  * booke_wdt_write:
  */
-static ssize_t booke_wdt_write (struct file *file, const char *buf,
+static ssize_t booke_wdt_write (struct file *file, const char __user *buf,
 				size_t count, loff_t *ppos)
 {
 	booke_wdt_ping();
@@ -92,14 +92,15 @@ static int booke_wdt_ioctl (struct inode *inode, struct file *file,
 			    unsigned int cmd, unsigned long arg)
 {
 	u32 tmp = 0;
+	u32 __user *p = (u32 __user *)arg;
 
 	switch (cmd) {
 	case WDIOC_GETSUPPORT:
-		if (copy_to_user ((struct watchdog_info *) arg, &ident,
+		if (copy_to_user ((struct watchdog_info __user *) arg, &ident,
 				sizeof(struct watchdog_info)))
 			return -EFAULT;
 	case WDIOC_GETSTATUS:
-		return put_user(ident.options, (u32 *) arg);
+		return put_user(ident.options, p);
 	case WDIOC_GETBOOTSTATUS:
 		/* XXX: something is clearing TSR */
 		tmp = mfspr(SPRN_TSR) & TSR_WRS(3);
@@ -109,14 +110,14 @@ static int booke_wdt_ioctl (struct inode *inode, struct file *file,
 		booke_wdt_ping();
 		return 0;
 	case WDIOC_SETTIMEOUT:
-		if (get_user(booke_wdt_period, (u32 *) arg))
+		if (get_user(booke_wdt_period, p))
 			return -EFAULT;
 		mtspr(SPRN_TCR, (mfspr(SPRN_TCR)&~WDTP(0))|WDTP(booke_wdt_period));
 		return 0;
 	case WDIOC_GETTIMEOUT:
-		return put_user(booke_wdt_period, (u32 *) arg);
+		return put_user(booke_wdt_period, p);
 	case WDIOC_SETOPTIONS:
-		if (get_user(tmp, (u32 *) arg))
+		if (get_user(tmp, p))
 			return -EINVAL;
 		if (tmp == WDIOS_ENABLECARD) {
 			booke_wdt_ping();
diff --git a/drivers/char/watchdog/wdrtas.c b/drivers/char/watchdog/wdrtas.c
index 619e2ffca33ff4..dacfe31caccf3f 100644
--- a/drivers/char/watchdog/wdrtas.c
+++ b/drivers/char/watchdog/wdrtas.c
@@ -320,7 +320,7 @@ static int
 wdrtas_ioctl(struct inode *inode, struct file *file,
 	     unsigned int cmd, unsigned long arg)
 {
-	int __user *argp = (void *)arg;
+	int __user *argp = (void __user *)arg;
 	int i;
 	static struct watchdog_info wdinfo = {
 		.options = WDRTAS_SUPPORTED_MASK,
diff --git a/drivers/firmware/dell_rbu.c b/drivers/firmware/dell_rbu.c
index 6d83299e7c9b11..dfedb777d8c90e 100644
--- a/drivers/firmware/dell_rbu.c
+++ b/drivers/firmware/dell_rbu.c
@@ -105,8 +105,8 @@ static int create_packet(void *data, size_t length)
 	int ordernum = 0;
 	int retval = 0;
 	unsigned int packet_array_size = 0;
-	void **invalid_addr_packet_array = 0;
-	void *packet_data_temp_buf = 0;
+	void **invalid_addr_packet_array = NULL;
+	void *packet_data_temp_buf = NULL;
 	unsigned int idx = 0;
 
 	pr_debug("create_packet: entry \n");
@@ -178,7 +178,7 @@ static int create_packet(void *data, size_t length)
 						packet_data_temp_buf),
 					allocation_floor);
 			invalid_addr_packet_array[idx++] = packet_data_temp_buf;
-			packet_data_temp_buf = 0;
+			packet_data_temp_buf = NULL;
 		}
 	}
 	spin_lock(&rbu_data.lock);
diff --git a/drivers/i2c/busses/i2c-mv64xxx.c b/drivers/i2c/busses/i2c-mv64xxx.c
index afd7634e5cc9f1..81031eb510565e 100644
--- a/drivers/i2c/busses/i2c-mv64xxx.c
+++ b/drivers/i2c/busses/i2c-mv64xxx.c
@@ -529,14 +529,15 @@ mv64xxx_i2c_probe(struct platform_device *pd)
 	i2c_set_adapdata(&drv_data->adapter, drv_data);
 
 	if (request_irq(drv_data->irq, mv64xxx_i2c_intr, 0,
-		MV64XXX_I2C_CTLR_NAME, drv_data)) {
-
-		dev_err(dev, "mv64xxx: Can't register intr handler "
-			"irq: %d\n", drv_data->irq);
+			MV64XXX_I2C_CTLR_NAME, drv_data)) {
+		dev_err(&drv_data->adapter.dev,
+			"mv64xxx: Can't register intr handler irq: %d\n",
+			drv_data->irq);
 		rc = -EINVAL;
 		goto exit_unmap_regs;
 	} else if ((rc = i2c_add_adapter(&drv_data->adapter)) != 0) {
-		dev_err(dev, "mv64xxx: Can't add i2c adapter, rc: %d\n", -rc);
+		dev_err(&drv_data->adapter.dev,
+			"mv64xxx: Can't add i2c adapter, rc: %d\n", -rc);
 		goto exit_free_irq;
 	}
 
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index 31e649a9ff710a..1c81174595b3ce 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -807,14 +807,6 @@ config BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
        depends on SOC_AU1200 && BLK_DEV_IDE_AU1XXX
 endchoice
 
-config BLK_DEV_IDE_AU1XXX_BURSTABLE_ON
-        bool "Enable burstable Mode on DbDMA"
-        default false
-        depends BLK_DEV_IDE_AU1XXX
-        help
-          This option enable the burstable Flag on DbDMA controller
-          (cf. "AMD Alchemy 'Au1200' Processor Data Book - PRELIMINARY").
-
 config BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ
        int "Maximum transfer size (KB) per request (up to 128)"
        default "128"
@@ -940,7 +932,7 @@ config BLK_DEV_Q40IDE
 
 config BLK_DEV_MPC8xx_IDE
 	bool "MPC8xx IDE support"
-	depends on 8xx
+	depends on 8xx && IDE=y && BLK_DEV_IDE=y
 	help
 	  This option provides support for IDE on Motorola MPC8xx Systems.
 	  Please see 'Type of MPC8xx IDE interface' for details.
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 9455e42abb23cf..b4d7a3efb90f4d 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -1292,7 +1292,6 @@ static ide_startstop_t cdrom_start_seek (ide_drive_t *drive, unsigned int block)
 	struct cdrom_info *info = drive->driver_data;
 
 	info->dma = 0;
-	info->cmd = 0;
 	info->start_seek = jiffies;
 	return cdrom_start_packet_command(drive, 0, cdrom_start_seek_continuation);
 }
@@ -1344,8 +1343,6 @@ static ide_startstop_t cdrom_start_read (ide_drive_t *drive, unsigned int block)
 	    (rq->nr_sectors & (sectors_per_frame - 1)))
 		info->dma = 0;
 
-	info->cmd = READ;
-
 	/* Start sending the read request to the drive. */
 	return cdrom_start_packet_command(drive, 32768, cdrom_start_read_continuation);
 }
@@ -1484,7 +1481,6 @@ static ide_startstop_t cdrom_do_packet_command (ide_drive_t *drive)
 	struct cdrom_info *info = drive->driver_data;
 
 	info->dma = 0;
-	info->cmd = 0;
 	rq->flags &= ~REQ_FAILED;
 	len = rq->data_len;
 
@@ -1891,7 +1887,6 @@ static ide_startstop_t cdrom_start_write(ide_drive_t *drive, struct request *rq)
 	/* use dma, if possible. we don't need to check more, since we
 	 * know that the transfer is always (at least!) frame aligned */
 	info->dma = drive->using_dma ? 1 : 0;
-	info->cmd = WRITE;
 
 	info->devinfo.media_written = 1;
 
@@ -1916,7 +1911,6 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
 	rq->flags |= REQ_QUIET;
 
 	info->dma = 0;
-	info->cmd = 0;
 
 	/*
 	 * sg request
@@ -1925,7 +1919,6 @@ static ide_startstop_t cdrom_do_block_pc(ide_drive_t *drive, struct request *rq)
 		int mask = drive->queue->dma_alignment;
 		unsigned long addr = (unsigned long) page_address(bio_page(rq->bio));
 
-		info->cmd = rq_data_dir(rq);
 		info->dma = drive->using_dma;
 
 		/*
diff --git a/drivers/ide/ide-cd.h b/drivers/ide/ide-cd.h
index 7ca3e5afc66551..ad1f2ed14a3723 100644
--- a/drivers/ide/ide-cd.h
+++ b/drivers/ide/ide-cd.h
@@ -480,7 +480,6 @@ struct cdrom_info {
 
 	struct request request_sense_request;
 	int dma;
-	int cmd;
 	unsigned long last_block;
 	unsigned long start_seek;
 	/* Buffer to hold mechanism status and changer slot table. */
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index f4e3d3527b0e6f..449522f0540c20 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -1034,12 +1034,12 @@ static int ide_disk_remove(struct device *dev)
 	struct ide_disk_obj *idkp = drive->driver_data;
 	struct gendisk *g = idkp->disk;
 
-	ide_cacheflush_p(drive);
-
 	ide_unregister_subdriver(drive, idkp->driver);
 
 	del_gendisk(g);
 
+	ide_cacheflush_p(drive);
+
 	ide_disk_put(idkp);
 
 	return 0;
diff --git a/drivers/ide/ide-dma.c b/drivers/ide/ide-dma.c
index 1e1531334c2515..0523da77425aa3 100644
--- a/drivers/ide/ide-dma.c
+++ b/drivers/ide/ide-dma.c
@@ -90,11 +90,6 @@
 #include <asm/io.h>
 #include <asm/irq.h>
 
-struct drive_list_entry {
-	const char *id_model;
-	const char *id_firmware;
-};
-
 static const struct drive_list_entry drive_whitelist [] = {
 
 	{ "Micropolis 2112A"	,       "ALL"		},
@@ -139,7 +134,7 @@ static const struct drive_list_entry drive_blacklist [] = {
 };
 
 /**
- *	in_drive_list	-	look for drive in black/white list
+ *	ide_in_drive_list	-	look for drive in black/white list
  *	@id: drive identifier
  *	@drive_table: list to inspect
  *
@@ -147,7 +142,7 @@ static const struct drive_list_entry drive_blacklist [] = {
  *	Returns 1 if the drive is found in the table.
  */
 
-static int in_drive_list(struct hd_driveid *id, const struct drive_list_entry *drive_table)
+int ide_in_drive_list(struct hd_driveid *id, const struct drive_list_entry *drive_table)
 {
 	for ( ; drive_table->id_model ; drive_table++)
 		if ((!strcmp(drive_table->id_model, id->model)) &&
@@ -157,6 +152,8 @@ static int in_drive_list(struct hd_driveid *id, const struct drive_list_entry *d
 	return 0;
 }
 
+EXPORT_SYMBOL_GPL(ide_in_drive_list);
+
 /**
  *	ide_dma_intr	-	IDE DMA interrupt handler
  *	@drive: the drive the interrupt is for
@@ -663,7 +660,7 @@ int __ide_dma_bad_drive (ide_drive_t *drive)
 {
 	struct hd_driveid *id = drive->id;
 
-	int blacklist = in_drive_list(id, drive_blacklist);
+	int blacklist = ide_in_drive_list(id, drive_blacklist);
 	if (blacklist) {
 		printk(KERN_WARNING "%s: Disabling (U)DMA for %s (blacklisted)\n",
 				    drive->name, id->model);
@@ -677,7 +674,7 @@ EXPORT_SYMBOL(__ide_dma_bad_drive);
 int __ide_dma_good_drive (ide_drive_t *drive)
 {
 	struct hd_driveid *id = drive->id;
-	return in_drive_list(id, drive_whitelist);
+	return ide_in_drive_list(id, drive_whitelist);
 }
 
 EXPORT_SYMBOL(__ide_dma_good_drive);
diff --git a/drivers/ide/mips/Makefile b/drivers/ide/mips/Makefile
index 578e52a5958884..677c7b2bac9241 100644
--- a/drivers/ide/mips/Makefile
+++ b/drivers/ide/mips/Makefile
@@ -1 +1,4 @@
 obj-$(CONFIG_BLK_DEV_IDE_SWARM)		+= swarm.o
+obj-$(CONFIG_BLK_DEV_IDE_AU1XXX)	+= au1xxx-ide.o
+
+EXTRA_CFLAGS    := -Idrivers/ide
diff --git a/drivers/ide/mips/au1xxx-ide.c b/drivers/ide/mips/au1xxx-ide.c
index 2b6327c576b9f0..32431dcf5d8e51 100644
--- a/drivers/ide/mips/au1xxx-ide.c
+++ b/drivers/ide/mips/au1xxx-ide.c
@@ -31,865 +31,638 @@
  */
 #undef REALLY_SLOW_IO           /* most systems can safely undef this */
 
-#include <linux/config.h>       /* for CONFIG_BLK_DEV_IDEPCI */
 #include <linux/types.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/delay.h>
-#include <linux/timer.h>
-#include <linux/mm.h>
-#include <linux/ioport.h>
-#include <linux/hdreg.h>
+#include <linux/platform_device.h>
+
 #include <linux/init.h>
 #include <linux/ide.h>
 #include <linux/sysdev.h>
 
 #include <linux/dma-mapping.h>
 
+#include "ide-timing.h"
+
 #include <asm/io.h>
 #include <asm/mach-au1x00/au1xxx.h>
 #include <asm/mach-au1x00/au1xxx_dbdma.h>
 
-#if CONFIG_PM
-#include <asm/mach-au1x00/au1xxx_pm.h>
-#endif
-
 #include <asm/mach-au1x00/au1xxx_ide.h>
 
 #define DRV_NAME	"au1200-ide"
 #define DRV_VERSION	"1.0"
-#define DRV_AUTHOR	"AMD PCS / Pete Popov <ppopov@embeddedalley.com>"
-#define DRV_DESC	"Au1200 IDE"
-
-static _auide_hwif auide_hwif;
-static spinlock_t ide_tune_drive_spin_lock = SPIN_LOCK_UNLOCKED;
-static spinlock_t ide_tune_chipset_spin_lock = SPIN_LOCK_UNLOCKED;
-static int dbdma_init_done = 0;
-
-/*
- * local I/O functions
- */
-u8 auide_inb(unsigned long port)
-{
-        return (au_readb(port));
-}
+#define DRV_AUTHOR	"Enrico Walther <enrico.walther@amd.com> / Pete Popov <ppopov@embeddedalley.com>"
 
-u16 auide_inw(unsigned long port)
-{
-        return (au_readw(port));
-}
+/* enable the burstmode in the dbdma */
+#define IDE_AU1XXX_BURSTMODE	1
 
-u32 auide_inl(unsigned long port)
-{
-        return (au_readl(port));
-}
+static _auide_hwif auide_hwif;
+static int dbdma_init_done;
 
-void auide_insw(unsigned long port, void *addr, u32 count)
-{
 #if defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA)
 
-        _auide_hwif *ahwif = &auide_hwif;
-        chan_tab_t *ctp;
-        au1x_ddma_desc_t *dp;
-
-        if(!put_dest_flags(ahwif->rx_chan, (void*)addr, count << 1,
-				DDMA_FLAGS_NOIE)) {
-                printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__);
-                return;
-        }
-        ctp = *((chan_tab_t **)ahwif->rx_chan);
-        dp = ctp->cur_ptr;
-        while (dp->dscr_cmd0 & DSCR_CMD0_V)
-                ;
-        ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp);
-#else
-        while (count--)
-        {
-                *(u16 *)addr = au_readw(port);
-                addr +=2 ;
-        }
-#endif
-}
-
-void auide_insl(unsigned long port, void *addr, u32 count)
-{
-        while (count--)
-        {
-                *(u32 *)addr = au_readl(port);
-                /* NOTE: For IDE interfaces over PCMCIA,
-                 * 32-bit access does not work
-                 */
-                addr += 4;
-        }
-}
-
-void auide_outb(u8 addr, unsigned long port)
+void auide_insw(unsigned long port, void *addr, u32 count)
 {
-        return (au_writeb(addr, port));
-}
+	_auide_hwif *ahwif = &auide_hwif;
+	chan_tab_t *ctp;
+	au1x_ddma_desc_t *dp;
 
-void auide_outbsync(ide_drive_t *drive, u8 addr, unsigned long port)
-{
-        return (au_writeb(addr, port));
+	if(!put_dest_flags(ahwif->rx_chan, (void*)addr, count << 1, 
+			   DDMA_FLAGS_NOIE)) {
+		printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__);
+		return;
+	}
+	ctp = *((chan_tab_t **)ahwif->rx_chan);
+	dp = ctp->cur_ptr;
+	while (dp->dscr_cmd0 & DSCR_CMD0_V)
+		;
+	ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp);
 }
 
-void auide_outw(u16 addr, unsigned long port)
+void auide_outsw(unsigned long port, void *addr, u32 count)
 {
-        return (au_writew(addr, port));
-}
+	_auide_hwif *ahwif = &auide_hwif;
+	chan_tab_t *ctp;
+	au1x_ddma_desc_t *dp;
 
-void auide_outl(u32 addr, unsigned long port)
-{
-        return (au_writel(addr, port));
+	if(!put_source_flags(ahwif->tx_chan, (void*)addr,
+			     count << 1, DDMA_FLAGS_NOIE)) {
+		printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__);
+		return;
+	}
+	ctp = *((chan_tab_t **)ahwif->tx_chan);
+	dp = ctp->cur_ptr;
+	while (dp->dscr_cmd0 & DSCR_CMD0_V)
+		;
+	ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp);
 }
 
-void auide_outsw(unsigned long port, void *addr, u32 count)
-{
-#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA)
-        _auide_hwif *ahwif = &auide_hwif;
-        chan_tab_t *ctp;
-        au1x_ddma_desc_t *dp;
-
-        if(!put_source_flags(ahwif->tx_chan, (void*)addr,
-                                          count << 1, DDMA_FLAGS_NOIE)) {
-                printk(KERN_ERR "%s failed %d\n", __FUNCTION__, __LINE__);
-                return;
-        }
-        ctp = *((chan_tab_t **)ahwif->tx_chan);
-        dp = ctp->cur_ptr;
-        while (dp->dscr_cmd0 & DSCR_CMD0_V)
-                ;
-        ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp);
-#else
-        while (count--)
-        {
-                au_writew(*(u16 *)addr, port);
-                addr += 2;
-        }
 #endif
-}
-
-void auide_outsl(unsigned long port, void *addr, u32 count)
-{
-        while (count--)
-        {
-                au_writel(*(u32 *)addr, port);
-                /* NOTE: For IDE interfaces over PCMCIA,
-                 * 32-bit access does not work
-                 */
-                addr += 4;
-        }
-}
 
 static void auide_tune_drive(ide_drive_t *drive, byte pio)
 {
-        int mem_sttime;
-        int mem_stcfg;
-        unsigned long flags;
-        u8 speed;
-
-        /* get the best pio mode for the drive */
-        pio = ide_get_best_pio_mode(drive, pio, 4, NULL);
-
-        printk("%s: setting Au1XXX IDE to PIO mode%d\n",
-                drive->name, pio);
-
-        spin_lock_irqsave(&ide_tune_drive_spin_lock, flags);
-
-        mem_sttime = 0;
-        mem_stcfg  = au_readl(MEM_STCFG2);
-
-        /* set pio mode! */
-        switch(pio) {
-                case 0:
-                        /* set timing parameters for RCS2# */
-                        mem_sttime =   SBC_IDE_PIO0_TWCS
-                                     | SBC_IDE_PIO0_TCSH
-                                     | SBC_IDE_PIO0_TCSOFF
-                                     | SBC_IDE_PIO0_TWP
-                                     | SBC_IDE_PIO0_TCSW
-                                     | SBC_IDE_PIO0_TPM
-                                     | SBC_IDE_PIO0_TA;
-                        /* set configuration for RCS2# */
-                        mem_stcfg |= TS_MASK;
-                        mem_stcfg &= ~TCSOE_MASK;
-                        mem_stcfg &= ~TOECS_MASK;
-                        mem_stcfg |= SBC_IDE_PIO0_TCSOE | SBC_IDE_PIO0_TOECS;
-
-                        au_writel(mem_sttime,MEM_STTIME2);
-                        au_writel(mem_stcfg,MEM_STCFG2);
-                        break;
-
-                case 1:
-                        /* set timing parameters for RCS2# */
-                        mem_sttime =   SBC_IDE_PIO1_TWCS
-                                     | SBC_IDE_PIO1_TCSH
-                                     | SBC_IDE_PIO1_TCSOFF
-                                     | SBC_IDE_PIO1_TWP
-                                     | SBC_IDE_PIO1_TCSW
-                                     | SBC_IDE_PIO1_TPM
-                                     | SBC_IDE_PIO1_TA;
-                        /* set configuration for RCS2# */
-                        mem_stcfg |= TS_MASK;
-                        mem_stcfg &= ~TCSOE_MASK;
-                        mem_stcfg &= ~TOECS_MASK;
-                        mem_stcfg |= SBC_IDE_PIO1_TCSOE | SBC_IDE_PIO1_TOECS;
-                        break;
-
-                case 2:
-                        /* set timing parameters for RCS2# */
-                        mem_sttime =   SBC_IDE_PIO2_TWCS
-                                     | SBC_IDE_PIO2_TCSH
-                                     | SBC_IDE_PIO2_TCSOFF
-                                     | SBC_IDE_PIO2_TWP
-                                     | SBC_IDE_PIO2_TCSW
-                                     | SBC_IDE_PIO2_TPM
-                                     | SBC_IDE_PIO2_TA;
-                        /* set configuration for RCS2# */
-                        mem_stcfg &= ~TS_MASK;
-                        mem_stcfg &= ~TCSOE_MASK;
-                        mem_stcfg &= ~TOECS_MASK;
-                        mem_stcfg |= SBC_IDE_PIO2_TCSOE | SBC_IDE_PIO2_TOECS;
-                        break;
-
-                case 3:
-                        /* set timing parameters for RCS2# */
-                        mem_sttime =   SBC_IDE_PIO3_TWCS
-                                     | SBC_IDE_PIO3_TCSH
-                                     | SBC_IDE_PIO3_TCSOFF
-                                     | SBC_IDE_PIO3_TWP
-                                     | SBC_IDE_PIO3_TCSW
-                                     | SBC_IDE_PIO3_TPM
-                                     | SBC_IDE_PIO3_TA;
-                        /* set configuration for RCS2# */
-                        mem_stcfg |= TS_MASK;
-                        mem_stcfg &= ~TS_MASK;
-                        mem_stcfg &= ~TCSOE_MASK;
-                        mem_stcfg &= ~TOECS_MASK;
-                        mem_stcfg |= SBC_IDE_PIO3_TCSOE | SBC_IDE_PIO3_TOECS;
-
-                        break;
-
-                case 4:
-                        /* set timing parameters for RCS2# */
-                        mem_sttime =   SBC_IDE_PIO4_TWCS
-                                     | SBC_IDE_PIO4_TCSH
-                                     | SBC_IDE_PIO4_TCSOFF
-                                     | SBC_IDE_PIO4_TWP
-                                     | SBC_IDE_PIO4_TCSW
-                                     | SBC_IDE_PIO4_TPM
-                                     | SBC_IDE_PIO4_TA;
-                        /* set configuration for RCS2# */
-                        mem_stcfg &= ~TS_MASK;
-                        mem_stcfg &= ~TCSOE_MASK;
-                        mem_stcfg &= ~TOECS_MASK;
-                        mem_stcfg |= SBC_IDE_PIO4_TCSOE | SBC_IDE_PIO4_TOECS;
-                        break;
-        }
-
-        au_writel(mem_sttime,MEM_STTIME2);
-        au_writel(mem_stcfg,MEM_STCFG2);
-
-        spin_unlock_irqrestore(&ide_tune_drive_spin_lock, flags);
-
-        speed = pio + XFER_PIO_0;
-        ide_config_drive_speed(drive, speed);
+	int mem_sttime;
+	int mem_stcfg;
+	u8 speed;
+
+	/* get the best pio mode for the drive */
+	pio = ide_get_best_pio_mode(drive, pio, 4, NULL);
+
+	printk(KERN_INFO "%s: setting Au1XXX IDE to PIO mode%d\n",
+	       drive->name, pio);
+
+	mem_sttime = 0;
+	mem_stcfg  = au_readl(MEM_STCFG2);
+
+	/* set pio mode! */
+	switch(pio) {
+	case 0:
+		mem_sttime = SBC_IDE_TIMING(PIO0);
+
+		/* set configuration for RCS2# */
+		mem_stcfg |= TS_MASK;
+		mem_stcfg &= ~TCSOE_MASK;
+		mem_stcfg &= ~TOECS_MASK;
+		mem_stcfg |= SBC_IDE_PIO0_TCSOE | SBC_IDE_PIO0_TOECS;
+		break;
+
+	case 1:
+		mem_sttime = SBC_IDE_TIMING(PIO1);
+
+		/* set configuration for RCS2# */
+		mem_stcfg |= TS_MASK;
+		mem_stcfg &= ~TCSOE_MASK;
+		mem_stcfg &= ~TOECS_MASK;
+		mem_stcfg |= SBC_IDE_PIO1_TCSOE | SBC_IDE_PIO1_TOECS;
+		break;
+
+	case 2:
+		mem_sttime = SBC_IDE_TIMING(PIO2);
+
+		/* set configuration for RCS2# */
+		mem_stcfg &= ~TS_MASK;
+		mem_stcfg &= ~TCSOE_MASK;
+		mem_stcfg &= ~TOECS_MASK;
+		mem_stcfg |= SBC_IDE_PIO2_TCSOE | SBC_IDE_PIO2_TOECS;
+		break;
+
+	case 3:
+		mem_sttime = SBC_IDE_TIMING(PIO3);
+
+		/* set configuration for RCS2# */
+		mem_stcfg &= ~TS_MASK;
+		mem_stcfg &= ~TCSOE_MASK;
+		mem_stcfg &= ~TOECS_MASK;
+		mem_stcfg |= SBC_IDE_PIO3_TCSOE | SBC_IDE_PIO3_TOECS;
+
+		break;
+
+	case 4:
+		mem_sttime = SBC_IDE_TIMING(PIO4);
+
+		/* set configuration for RCS2# */
+		mem_stcfg &= ~TS_MASK;
+		mem_stcfg &= ~TCSOE_MASK;
+		mem_stcfg &= ~TOECS_MASK;
+		mem_stcfg |= SBC_IDE_PIO4_TCSOE | SBC_IDE_PIO4_TOECS;
+		break;
+	}
+
+	au_writel(mem_sttime,MEM_STTIME2);
+	au_writel(mem_stcfg,MEM_STCFG2);
+
+	speed = pio + XFER_PIO_0;
+	ide_config_drive_speed(drive, speed);
 }
 
 static int auide_tune_chipset (ide_drive_t *drive, u8 speed)
 {
-        u8 mode = 0;
-        int mem_sttime;
-        int mem_stcfg;
-        unsigned long flags;
+	int mem_sttime;
+	int mem_stcfg;
+	unsigned long mode;
+
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-        struct hd_driveid *id = drive->id;
-
-        /*
-         * Now see what the current drive is capable of,
-         * selecting UDMA only if the mate said it was ok.
-         */
-        if (id && (id->capability & 1) && drive->autodma &&
-            !__ide_dma_bad_drive(drive)) {
-                if (!mode && (id->field_valid & 2) && (id->dma_mword & 7)) {
-                        if      (id->dma_mword & 4)
-                                mode = XFER_MW_DMA_2;
-                        else if (id->dma_mword & 2)
-                                mode = XFER_MW_DMA_1;
-                        else if (id->dma_mword & 1)
-                                mode = XFER_MW_DMA_0;
-                }
-        }
+	if (ide_use_dma(drive))
+		mode = ide_dma_speed(drive, 0);
 #endif
 
-        spin_lock_irqsave(&ide_tune_chipset_spin_lock, flags);
+	mem_sttime = 0;
+	mem_stcfg  = au_readl(MEM_STCFG2);
 
-        mem_sttime = 0;
-        mem_stcfg  = au_readl(MEM_STCFG2);
-
-        switch(speed) {
-                case XFER_PIO_4:
-                case XFER_PIO_3:
-                case XFER_PIO_2:
-                case XFER_PIO_1:
-                case XFER_PIO_0:
-                        auide_tune_drive(drive, (speed - XFER_PIO_0));
-                        break;
+	if (speed >= XFER_PIO_0 && speed <= XFER_PIO_4) {
+		auide_tune_drive(drive, speed - XFER_PIO_0);
+		return 0;
+	}
+	      
+	switch(speed) {
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-                case XFER_MW_DMA_2:
-                        /* set timing parameters for RCS2# */
-                        mem_sttime =   SBC_IDE_MDMA2_TWCS
-                                     | SBC_IDE_MDMA2_TCSH
-                                     | SBC_IDE_MDMA2_TCSOFF
-                                     | SBC_IDE_MDMA2_TWP
-                                     | SBC_IDE_MDMA2_TCSW
-                                     | SBC_IDE_MDMA2_TPM
-                                     | SBC_IDE_MDMA2_TA;
-                        /* set configuration for RCS2# */
-                        mem_stcfg &= ~TS_MASK;
-                        mem_stcfg &= ~TCSOE_MASK;
-                        mem_stcfg &= ~TOECS_MASK;
-                        mem_stcfg |= SBC_IDE_MDMA2_TCSOE | SBC_IDE_MDMA2_TOECS;
-
-                        mode = XFER_MW_DMA_2;
-                        break;
-                case XFER_MW_DMA_1:
-                        /* set timing parameters for RCS2# */
-                        mem_sttime =   SBC_IDE_MDMA1_TWCS
-                                     | SBC_IDE_MDMA1_TCSH
-                                     | SBC_IDE_MDMA1_TCSOFF
-                                     | SBC_IDE_MDMA1_TWP
-                                     | SBC_IDE_MDMA1_TCSW
-                                     | SBC_IDE_MDMA1_TPM
-                                     | SBC_IDE_MDMA1_TA;
-                        /* set configuration for RCS2# */
-                        mem_stcfg &= ~TS_MASK;
-                        mem_stcfg &= ~TCSOE_MASK;
-                        mem_stcfg &= ~TOECS_MASK;
-                        mem_stcfg |= SBC_IDE_MDMA1_TCSOE | SBC_IDE_MDMA1_TOECS;
-
-                        mode = XFER_MW_DMA_1;
-                        break;
-                case XFER_MW_DMA_0:
-                        /* set timing parameters for RCS2# */
-                        mem_sttime =   SBC_IDE_MDMA0_TWCS
-                                     | SBC_IDE_MDMA0_TCSH
-                                     | SBC_IDE_MDMA0_TCSOFF
-                                     | SBC_IDE_MDMA0_TWP
-                                     | SBC_IDE_MDMA0_TCSW
-                                     | SBC_IDE_MDMA0_TPM
-                                     | SBC_IDE_MDMA0_TA;
-                        /* set configuration for RCS2# */
-                        mem_stcfg |= TS_MASK;
-                        mem_stcfg &= ~TCSOE_MASK;
-                        mem_stcfg &= ~TOECS_MASK;
-                        mem_stcfg |= SBC_IDE_MDMA0_TCSOE | SBC_IDE_MDMA0_TOECS;
-
-                        mode = XFER_MW_DMA_0;
-                        break;
+	case XFER_MW_DMA_2:
+		mem_sttime = SBC_IDE_TIMING(MDMA2);
+
+		/* set configuration for RCS2# */
+		mem_stcfg &= ~TS_MASK;
+		mem_stcfg &= ~TCSOE_MASK;
+		mem_stcfg &= ~TOECS_MASK;
+		mem_stcfg |= SBC_IDE_MDMA2_TCSOE | SBC_IDE_MDMA2_TOECS;
+
+		mode = XFER_MW_DMA_2;
+		break;
+	case XFER_MW_DMA_1:
+		mem_sttime = SBC_IDE_TIMING(MDMA1);
+
+		/* set configuration for RCS2# */
+		mem_stcfg &= ~TS_MASK;
+		mem_stcfg &= ~TCSOE_MASK;
+		mem_stcfg &= ~TOECS_MASK;
+		mem_stcfg |= SBC_IDE_MDMA1_TCSOE | SBC_IDE_MDMA1_TOECS;
+
+		mode = XFER_MW_DMA_1;
+		break;
+	case XFER_MW_DMA_0:
+		mem_sttime = SBC_IDE_TIMING(MDMA0);
+
+		/* set configuration for RCS2# */
+		mem_stcfg |= TS_MASK;
+		mem_stcfg &= ~TCSOE_MASK;
+		mem_stcfg &= ~TOECS_MASK;
+		mem_stcfg |= SBC_IDE_MDMA0_TCSOE | SBC_IDE_MDMA0_TOECS;
+
+		mode = XFER_MW_DMA_0;
+		break;
 #endif
-                default:
-                        return 1;
-        }
-
-        /*
-         * Tell the drive to switch to the new mode; abort on failure.
-         */
-        if (!mode || ide_config_drive_speed(drive, mode))
-        {
-                return 1;       /* failure */
-        }
-
-
-        au_writel(mem_sttime,MEM_STTIME2);
-        au_writel(mem_stcfg,MEM_STCFG2);
+	default:
+		return 1;
+	}
+	
+	if (ide_config_drive_speed(drive, mode))
+		return 1;
 
-        spin_unlock_irqrestore(&ide_tune_chipset_spin_lock, flags);
+	au_writel(mem_sttime,MEM_STTIME2);
+	au_writel(mem_stcfg,MEM_STCFG2);
 
-        return 0;
+	return 0;
 }
 
 /*
  * Multi-Word DMA + DbDMA functions
  */
-#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
 
-static int in_drive_list(struct hd_driveid *id,
-                         const struct drive_list_entry *drive_table)
-{
-        for ( ; drive_table->id_model ; drive_table++){
-                if ((!strcmp(drive_table->id_model, id->model)) &&
-                        ((strstr(drive_table->id_firmware, id->fw_rev)) ||
-                        (!strcmp(drive_table->id_firmware, "ALL")))
-                )
-                        return 1;
-        }
-        return 0;
-}
+#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
 
 static int auide_build_sglist(ide_drive_t *drive,  struct request *rq)
 {
-        ide_hwif_t *hwif = drive->hwif;
-        _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
-        struct scatterlist *sg = hwif->sg_table;
+	ide_hwif_t *hwif = drive->hwif;
+	_auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
+	struct scatterlist *sg = hwif->sg_table;
 
-        ide_map_sg(drive, rq);
+	ide_map_sg(drive, rq);
 
-        if (rq_data_dir(rq) == READ)
-                hwif->sg_dma_direction = DMA_FROM_DEVICE;
-        else
-                hwif->sg_dma_direction = DMA_TO_DEVICE;
+	if (rq_data_dir(rq) == READ)
+		hwif->sg_dma_direction = DMA_FROM_DEVICE;
+	else
+		hwif->sg_dma_direction = DMA_TO_DEVICE;
 
-        return dma_map_sg(ahwif->dev, sg, hwif->sg_nents,
-                          hwif->sg_dma_direction);
+	return dma_map_sg(ahwif->dev, sg, hwif->sg_nents,
+			  hwif->sg_dma_direction);
 }
 
 static int auide_build_dmatable(ide_drive_t *drive)
 {
-        int i, iswrite, count = 0;
-        ide_hwif_t *hwif = HWIF(drive);
-
-        struct request *rq = HWGROUP(drive)->rq;
-
-        _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
-        struct scatterlist *sg;
-
-        iswrite = (rq_data_dir(rq) == WRITE);
-        /* Save for interrupt context */
-        ahwif->drive = drive;
-
-        /* Build sglist */
-        hwif->sg_nents = i = auide_build_sglist(drive, rq);
-
-        if (!i)
-                return 0;
-
-        /* fill the descriptors */
-        sg = hwif->sg_table;
-        while (i && sg_dma_len(sg)) {
-                u32 cur_addr;
-                u32 cur_len;
-
-                cur_addr = sg_dma_address(sg);
-                cur_len = sg_dma_len(sg);
-
-                while (cur_len) {
-                        u32 flags = DDMA_FLAGS_NOIE;
-                        unsigned int tc = (cur_len < 0xfe00)? cur_len: 0xfe00;
-
-                        if (++count >= PRD_ENTRIES) {
-                                printk(KERN_WARNING "%s: DMA table too small\n",
-                                drive->name);
-                                goto use_pio_instead;
-                        }
-
-                        /* Lets enable intr for the last descriptor only */
-                        if (1==i)
-                                flags = DDMA_FLAGS_IE;
-                        else
-                                flags = DDMA_FLAGS_NOIE;
-
-                        if (iswrite) {
-				if(!put_source_flags(ahwif->tx_chan,
-						(void*)(page_address(sg->page)
-							+ sg->offset),
-						tc, flags)) {
-					printk(KERN_ERR "%s failed %d\n",
-							__FUNCTION__, __LINE__);
+	int i, iswrite, count = 0;
+	ide_hwif_t *hwif = HWIF(drive);
+
+	struct request *rq = HWGROUP(drive)->rq;
+
+	_auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
+	struct scatterlist *sg;
+
+	iswrite = (rq_data_dir(rq) == WRITE);
+	/* Save for interrupt context */
+	ahwif->drive = drive;
+
+	/* Build sglist */
+	hwif->sg_nents = i = auide_build_sglist(drive, rq);
+
+	if (!i)
+		return 0;
+
+	/* fill the descriptors */
+	sg = hwif->sg_table;
+	while (i && sg_dma_len(sg)) {
+		u32 cur_addr;
+		u32 cur_len;
+
+		cur_addr = sg_dma_address(sg);
+		cur_len = sg_dma_len(sg);
+
+		while (cur_len) {
+			u32 flags = DDMA_FLAGS_NOIE;
+			unsigned int tc = (cur_len < 0xfe00)? cur_len: 0xfe00;
+
+			if (++count >= PRD_ENTRIES) {
+				printk(KERN_WARNING "%s: DMA table too small\n",
+				       drive->name);
+				goto use_pio_instead;
+			}
+
+			/* Lets enable intr for the last descriptor only */
+			if (1==i)
+				flags = DDMA_FLAGS_IE;
+			else
+				flags = DDMA_FLAGS_NOIE;
+
+			if (iswrite) {
+				if(!put_source_flags(ahwif->tx_chan, 
+						     (void*)(page_address(sg->page) 
+							     + sg->offset), 
+						     tc, flags)) { 
+					printk(KERN_ERR "%s failed %d\n", 
+					       __FUNCTION__, __LINE__);
 				}
-                        } else
+			} else 
 			{
-				if(!put_dest_flags(ahwif->rx_chan,
-						(void*)(page_address(sg->page)
-							+ sg->offset),
-						tc, flags)) {
-					printk(KERN_ERR "%s failed %d\n",
-							__FUNCTION__, __LINE__);
+				if(!put_dest_flags(ahwif->rx_chan, 
+						   (void*)(page_address(sg->page) 
+							   + sg->offset), 
+						   tc, flags)) { 
+					printk(KERN_ERR "%s failed %d\n", 
+					       __FUNCTION__, __LINE__);
 				}
-                        }
+			}
 
-                        cur_addr += tc;
-                        cur_len -= tc;
-                }
-                sg++;
-                i--;
-        }
+			cur_addr += tc;
+			cur_len -= tc;
+		}
+		sg++;
+		i--;
+	}
 
-        if (count)
-                return 1;
+	if (count)
+		return 1;
 
-use_pio_instead:
-        dma_unmap_sg(ahwif->dev,
-                     hwif->sg_table,
-                     hwif->sg_nents,
-                     hwif->sg_dma_direction);
+ use_pio_instead:
+	dma_unmap_sg(ahwif->dev,
+		     hwif->sg_table,
+		     hwif->sg_nents,
+		     hwif->sg_dma_direction);
 
-        return 0; /* revert to PIO for this request */
+	return 0; /* revert to PIO for this request */
 }
 
 static int auide_dma_end(ide_drive_t *drive)
 {
-        ide_hwif_t *hwif = HWIF(drive);
-        _auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
+	ide_hwif_t *hwif = HWIF(drive);
+	_auide_hwif *ahwif = (_auide_hwif*)hwif->hwif_data;
 
-        if (hwif->sg_nents) {
-                dma_unmap_sg(ahwif->dev, hwif->sg_table, hwif->sg_nents,
-                             hwif->sg_dma_direction);
-                hwif->sg_nents = 0;
-        }
+	if (hwif->sg_nents) {
+		dma_unmap_sg(ahwif->dev, hwif->sg_table, hwif->sg_nents,
+			     hwif->sg_dma_direction);
+		hwif->sg_nents = 0;
+	}
 
-        return 0;
+	return 0;
 }
 
 static void auide_dma_start(ide_drive_t *drive )
 {
-//      printk("%s\n", __FUNCTION__);
 }
 
-ide_startstop_t auide_dma_intr(ide_drive_t *drive)
-{
-        //printk("%s\n", __FUNCTION__);
-
-        u8 stat = 0, dma_stat = 0;
-
-        dma_stat = HWIF(drive)->ide_dma_end(drive);
-        stat = HWIF(drive)->INB(IDE_STATUS_REG);        /* get drive status */
-        if (OK_STAT(stat,DRIVE_READY,drive->bad_wstat|DRQ_STAT)) {
-                if (!dma_stat) {
-                        struct request *rq = HWGROUP(drive)->rq;
-
-                        ide_end_request(drive, 1, rq->nr_sectors);
-                        return ide_stopped;
-                }
-                printk(KERN_ERR "%s: dma_intr: bad DMA status (dma_stat=%x)\n",
-                                 drive->name, dma_stat);
-        }
-        return ide_error(drive, "dma_intr", stat);
-}
 
 static void auide_dma_exec_cmd(ide_drive_t *drive, u8 command)
 {
-        //printk("%s\n", __FUNCTION__);
-
-        /* issue cmd to drive */
-        ide_execute_command(drive, command, &auide_dma_intr,
-                            (2*WAIT_CMD), NULL);
+	/* issue cmd to drive */
+	ide_execute_command(drive, command, &ide_dma_intr,
+			    (2*WAIT_CMD), NULL);
 }
 
 static int auide_dma_setup(ide_drive_t *drive)
-{
-//      printk("%s\n", __FUNCTION__);
-
-        if (drive->media != ide_disk)
-                return 1;
-
-        if (!auide_build_dmatable(drive))
-                        /* try PIO instead of DMA */
-                        return 1;
+{       	
+	struct request *rq = HWGROUP(drive)->rq;
 
-        drive->waiting_for_dma = 1;
+	if (!auide_build_dmatable(drive)) {
+		ide_map_sg(drive, rq);
+		return 1;
+	}
 
-        return 0;
+	drive->waiting_for_dma = 1;
+	return 0;
 }
 
 static int auide_dma_check(ide_drive_t *drive)
 {
-//      printk("%s\n", __FUNCTION__);
+	u8 speed;
 
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-        if( !dbdma_init_done ){
-                auide_hwif.white_list = in_drive_list(drive->id,
-                                                      dma_white_list);
-                auide_hwif.black_list = in_drive_list(drive->id,
-                                                      dma_black_list);
-                auide_hwif.drive = drive;
-                auide_ddma_init(&auide_hwif);
-                dbdma_init_done = 1;
-        }
+
+	if( dbdma_init_done == 0 ){
+		auide_hwif.white_list = ide_in_drive_list(drive->id,
+							  dma_white_list);
+		auide_hwif.black_list = ide_in_drive_list(drive->id,
+							  dma_black_list);
+		auide_hwif.drive = drive;
+		auide_ddma_init(&auide_hwif);
+		dbdma_init_done = 1;
+	}
 #endif
 
-        /* Is the drive in our DMA black list? */
-        if ( auide_hwif.black_list ) {
-                drive->using_dma = 0;
-                printk("%s found in dma_blacklist[]! Disabling DMA.\n",
-                drive->id->model);
-        }
-        else
-                drive->using_dma = 1;
+	/* Is the drive in our DMA black list? */
+
+	if ( auide_hwif.black_list ) {
+		drive->using_dma = 0;
+
+		/* Borrowed the warning message from ide-dma.c */
 
-        return HWIF(drive)->ide_dma_host_on(drive);
+		printk(KERN_WARNING "%s: Disabling DMA for %s (blacklisted)\n",
+		       drive->name, drive->id->model);	       
+	}
+	else
+		drive->using_dma = 1;
+
+	speed = ide_find_best_mode(drive, XFER_PIO | XFER_MWDMA);
+	
+	if (drive->autodma && (speed & XFER_MODE) != XFER_PIO)
+		return HWIF(drive)->ide_dma_on(drive);
+
+	return HWIF(drive)->ide_dma_off_quietly(drive);
 }
 
 static int auide_dma_test_irq(ide_drive_t *drive)
-{
-//      printk("%s\n", __FUNCTION__);
-
-        if (!drive->waiting_for_dma)
-                printk(KERN_WARNING "%s: ide_dma_test_irq \
+{	
+	if (drive->waiting_for_dma == 0)
+		printk(KERN_WARNING "%s: ide_dma_test_irq \
                                      called while not waiting\n", drive->name);
 
-        /* If dbdma didn't execute the STOP command yet, the
-         * active bit is still set
+	/* If dbdma didn't execute the STOP command yet, the
+	 * active bit is still set
 	 */
-        drive->waiting_for_dma++;
-        if (drive->waiting_for_dma >= DMA_WAIT_TIMEOUT) {
-                printk(KERN_WARNING "%s: timeout waiting for ddma to \
+	drive->waiting_for_dma++;
+	if (drive->waiting_for_dma >= DMA_WAIT_TIMEOUT) {
+		printk(KERN_WARNING "%s: timeout waiting for ddma to \
                                      complete\n", drive->name);
-                return 1;
-        }
-        udelay(10);
-        return 0;
+		return 1;
+	}
+	udelay(10);
+	return 0;
 }
 
 static int auide_dma_host_on(ide_drive_t *drive)
 {
-//      printk("%s\n", __FUNCTION__);
-        return 0;
+	return 0;
 }
 
 static int auide_dma_on(ide_drive_t *drive)
 {
-//      printk("%s\n", __FUNCTION__);
-        drive->using_dma = 1;
-        return auide_dma_host_on(drive);
+	drive->using_dma = 1;
+	return auide_dma_host_on(drive);
 }
 
 
 static int auide_dma_host_off(ide_drive_t *drive)
 {
-//      printk("%s\n", __FUNCTION__);
-        return 0;
+	return 0;
 }
 
 static int auide_dma_off_quietly(ide_drive_t *drive)
 {
-//      printk("%s\n", __FUNCTION__);
-        drive->using_dma = 0;
-        return auide_dma_host_off(drive);
+	drive->using_dma = 0;
+	return auide_dma_host_off(drive);
 }
 
 static int auide_dma_lostirq(ide_drive_t *drive)
 {
-//      printk("%s\n", __FUNCTION__);
-
-        printk(KERN_ERR "%s: IRQ lost\n", drive->name);
-        return 0;
+	printk(KERN_ERR "%s: IRQ lost\n", drive->name);
+	return 0;
 }
 
 static void auide_ddma_tx_callback(int irq, void *param, struct pt_regs *regs)
 {
-//      printk("%s\n", __FUNCTION__);
-
-        _auide_hwif *ahwif = (_auide_hwif*)param;
-        ahwif->drive->waiting_for_dma = 0;
-        return;
+	_auide_hwif *ahwif = (_auide_hwif*)param;
+	ahwif->drive->waiting_for_dma = 0;
 }
 
 static void auide_ddma_rx_callback(int irq, void *param, struct pt_regs *regs)
 {
-//      printk("%s\n", __FUNCTION__);
+	_auide_hwif *ahwif = (_auide_hwif*)param;
+	ahwif->drive->waiting_for_dma = 0;
+}
+
+#endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
 
-        _auide_hwif *ahwif = (_auide_hwif*)param;
-        ahwif->drive->waiting_for_dma = 0;
-        return;
+static void auide_init_dbdma_dev(dbdev_tab_t *dev, u32 dev_id, u32 tsize, u32 devwidth, u32 flags)
+{
+	dev->dev_id          = dev_id;
+	dev->dev_physaddr    = (u32)AU1XXX_ATA_PHYS_ADDR;
+	dev->dev_intlevel    = 0;
+	dev->dev_intpolarity = 0;
+	dev->dev_tsize       = tsize;
+	dev->dev_devwidth    = devwidth;
+	dev->dev_flags       = flags;
 }
+  
+#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
 
 static int auide_dma_timeout(ide_drive_t *drive)
 {
 //      printk("%s\n", __FUNCTION__);
 
-        printk(KERN_ERR "%s: DMA timeout occurred: ", drive->name);
+	printk(KERN_ERR "%s: DMA timeout occurred: ", drive->name);
 
-        if (HWIF(drive)->ide_dma_test_irq(drive))
-                return 0;
+	if (HWIF(drive)->ide_dma_test_irq(drive))
+		return 0;
 
-        return HWIF(drive)->ide_dma_end(drive);
+	return HWIF(drive)->ide_dma_end(drive);
 }
-#endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
+					
 
+static int auide_ddma_init(_auide_hwif *auide) {
+	
+	dbdev_tab_t source_dev_tab, target_dev_tab;
+	u32 dev_id, tsize, devwidth, flags;
+	ide_hwif_t *hwif = auide->hwif;
 
-static int auide_ddma_init( _auide_hwif *auide )
-{
-//      printk("%s\n", __FUNCTION__);
+	dev_id   = AU1XXX_ATA_DDMA_REQ;
 
-        dbdev_tab_t source_dev_tab;
-#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
-        dbdev_tab_t target_dev_tab;
-        ide_hwif_t *hwif = auide->hwif;
-        char warning_output [2][80];
-        int i;
-#endif
+	if (auide->white_list || auide->black_list) {
+		tsize    = 8;
+		devwidth = 32;
+	}
+	else { 
+		tsize    = 1;
+		devwidth = 16;
+		
+		printk(KERN_ERR "au1xxx-ide: %s is not on ide driver whitelist.\n",auide_hwif.drive->id->model);
+		printk(KERN_ERR "            please read 'Documentation/mips/AU1xxx_IDE.README'");
+	}
 
-        /* Add our custom device to DDMA device table */
-        /* Create our new device entries in the table */
-#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
-        source_dev_tab.dev_id = AU1XXX_ATA_DDMA_REQ;
-
-        if( auide->white_list || auide->black_list ){
-                source_dev_tab.dev_tsize       = 8;
-                source_dev_tab.dev_devwidth    = 32;
-                source_dev_tab.dev_physaddr    = (u32)AU1XXX_ATA_PHYS_ADDR;
-                source_dev_tab.dev_intlevel    = 0;
-                source_dev_tab.dev_intpolarity = 0;
-
-                /* init device table for target - static bus controller - */
-                target_dev_tab.dev_id          = DSCR_CMD0_ALWAYS;
-                target_dev_tab.dev_tsize       = 8;
-                target_dev_tab.dev_devwidth    = 32;
-                target_dev_tab.dev_physaddr    = (u32)AU1XXX_ATA_PHYS_ADDR;
-                target_dev_tab.dev_intlevel    = 0;
-                target_dev_tab.dev_intpolarity = 0;
-                target_dev_tab.dev_flags       = DEV_FLAGS_ANYUSE;
-        }
-        else{
-                source_dev_tab.dev_tsize       = 1;
-                source_dev_tab.dev_devwidth    = 16;
-                source_dev_tab.dev_physaddr    = (u32)AU1XXX_ATA_PHYS_ADDR;
-                source_dev_tab.dev_intlevel    = 0;
-                source_dev_tab.dev_intpolarity = 0;
-
-                /* init device table for target - static bus controller - */
-                target_dev_tab.dev_id          = DSCR_CMD0_ALWAYS;
-                target_dev_tab.dev_tsize       = 1;
-                target_dev_tab.dev_devwidth    = 16;
-                target_dev_tab.dev_physaddr    = (u32)AU1XXX_ATA_PHYS_ADDR;
-                target_dev_tab.dev_intlevel    = 0;
-                target_dev_tab.dev_intpolarity = 0;
-                target_dev_tab.dev_flags       = DEV_FLAGS_ANYUSE;
-
-                sprintf(&warning_output[0][0],
-                        "%s is not on ide driver white list.",
-                        auide_hwif.drive->id->model);
-                for ( i=strlen(&warning_output[0][0]) ; i<76; i++ ){
-                        sprintf(&warning_output[0][i]," ");
-                }
-
-                sprintf(&warning_output[1][0],
-                "To add %s please read 'Documentation/mips/AU1xxx_IDE.README'.",
-                        auide_hwif.drive->id->model);
-                for ( i=strlen(&warning_output[1][0]) ; i<76; i++ ){
-                        sprintf(&warning_output[1][i]," ");
-                }
-
-                printk("\n****************************************");
-                printk("****************************************\n");
-                printk("* %s *\n",&warning_output[0][0]);
-                printk("* Switch to safe MWDMA Mode!            ");
-                printk("                                       *\n");
-                printk("* %s *\n",&warning_output[1][0]);
-                printk("****************************************");
-                printk("****************************************\n\n");
-        }
+#ifdef IDE_AU1XXX_BURSTMODE 
+	flags = DEV_FLAGS_SYNC | DEV_FLAGS_BURSTABLE;
 #else
-        source_dev_tab.dev_id = DSCR_CMD0_ALWAYS;
-        source_dev_tab.dev_tsize       = 8;
-        source_dev_tab.dev_devwidth    = 32;
-        source_dev_tab.dev_physaddr    = (u32)AU1XXX_ATA_PHYS_ADDR;
-        source_dev_tab.dev_intlevel    = 0;
-        source_dev_tab.dev_intpolarity = 0;
+	flags = DEV_FLAGS_SYNC;
 #endif
 
-#if CONFIG_BLK_DEV_IDE_AU1XXX_BURSTABLE_ON
-        /* set flags for tx channel */
-        source_dev_tab.dev_flags =  DEV_FLAGS_OUT
-                                  | DEV_FLAGS_SYNC
-                                  | DEV_FLAGS_BURSTABLE;
-        auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
-        /* set flags for rx channel */
-        source_dev_tab.dev_flags =  DEV_FLAGS_IN
-                                  | DEV_FLAGS_SYNC
-                                  | DEV_FLAGS_BURSTABLE;
-        auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
+	/* setup dev_tab for tx channel */
+	auide_init_dbdma_dev( &source_dev_tab,
+			      dev_id,
+			      tsize, devwidth, DEV_FLAGS_OUT | flags);
+ 	auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
+
+	auide_init_dbdma_dev( &source_dev_tab,
+			      dev_id,
+			      tsize, devwidth, DEV_FLAGS_IN | flags);
+ 	auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
+	
+	/* We also need to add a target device for the DMA */
+	auide_init_dbdma_dev( &target_dev_tab,
+			      (u32)DSCR_CMD0_ALWAYS,
+			      tsize, devwidth, DEV_FLAGS_ANYUSE);
+	auide->target_dev_id = au1xxx_ddma_add_device(&target_dev_tab);	
+ 
+	/* Get a channel for TX */
+	auide->tx_chan = au1xxx_dbdma_chan_alloc(auide->target_dev_id,
+						 auide->tx_dev_id,
+						 auide_ddma_tx_callback,
+						 (void*)auide);
+ 
+	/* Get a channel for RX */
+	auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id,
+						 auide->target_dev_id,
+						 auide_ddma_rx_callback,
+						 (void*)auide);
+
+	auide->tx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->tx_chan,
+							     NUM_DESCRIPTORS);
+	auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan,
+							     NUM_DESCRIPTORS);
+ 
+	hwif->dmatable_cpu = dma_alloc_coherent(auide->dev,
+						PRD_ENTRIES * PRD_BYTES,        /* 1 Page */
+						&hwif->dmatable_dma, GFP_KERNEL);
+	
+	au1xxx_dbdma_start( auide->tx_chan );
+	au1xxx_dbdma_start( auide->rx_chan );
+ 
+	return 0;
+} 
 #else
-        /* set flags for tx channel */
-        source_dev_tab.dev_flags = DEV_FLAGS_OUT | DEV_FLAGS_SYNC;
-        auide->tx_dev_id         = au1xxx_ddma_add_device( &source_dev_tab );
-        /* set flags for rx channel */
-        source_dev_tab.dev_flags = DEV_FLAGS_IN | DEV_FLAGS_SYNC;
-        auide->rx_dev_id         = au1xxx_ddma_add_device( &source_dev_tab );
-#endif
+ 
+static int auide_ddma_init( _auide_hwif *auide )
+{
+	dbdev_tab_t source_dev_tab;
+	int flags;
 
-#if  defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
-
-        auide->target_dev_id           = au1xxx_ddma_add_device(&target_dev_tab);
-
-        /* Get a channel for TX */
-        auide->tx_chan = au1xxx_dbdma_chan_alloc(auide->target_dev_id,
-                                                 auide->tx_dev_id,
-                                                 auide_ddma_tx_callback,
-                                                 (void*)auide);
-        /* Get a channel for RX */
-        auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id,
-                                                 auide->target_dev_id,
-                                                 auide_ddma_rx_callback,
-                                                 (void*)auide);
-#else   /* CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA */
-        /*
-         * Note: if call back is not enabled, update ctp->cur_ptr manually
-         */
-        auide->tx_chan = au1xxx_dbdma_chan_alloc(DSCR_CMD0_ALWAYS,
-                                                 auide->tx_dev_id,
-                                                 NULL,
-                                                 (void*)auide);
-        auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id,
-                                                 DSCR_CMD0_ALWAYS,
-                                                 NULL,
-                                                 (void*)auide);
+#ifdef IDE_AU1XXX_BURSTMODE 
+	flags = DEV_FLAGS_SYNC | DEV_FLAGS_BURSTABLE;
+#else
+	flags = DEV_FLAGS_SYNC;
 #endif
-        auide->tx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->tx_chan,
-                                                             NUM_DESCRIPTORS);
-        auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan,
-                                                             NUM_DESCRIPTORS);
 
-#if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
-        hwif->dmatable_cpu = dma_alloc_coherent(auide->dev,
-                                                PRD_ENTRIES * PRD_BYTES,        /* 1 Page */
-                                                &hwif->dmatable_dma, GFP_KERNEL);
-
-        auide->sg_table = kmalloc(sizeof(struct scatterlist) * PRD_ENTRIES,
-                                GFP_KERNEL|GFP_DMA);
-        if (auide->sg_table == NULL) {
-                return -ENOMEM;
-        }
-#endif
-        au1xxx_dbdma_start( auide->tx_chan );
-        au1xxx_dbdma_start( auide->rx_chan );
-        return 0;
+	/* setup dev_tab for tx channel */
+	auide_init_dbdma_dev( &source_dev_tab,
+			      (u32)DSCR_CMD0_ALWAYS,
+			      8, 32, DEV_FLAGS_OUT | flags);
+ 	auide->tx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
+
+	auide_init_dbdma_dev( &source_dev_tab,
+			      (u32)DSCR_CMD0_ALWAYS,
+			      8, 32, DEV_FLAGS_IN | flags);
+ 	auide->rx_dev_id = au1xxx_ddma_add_device( &source_dev_tab );
+	
+	/* Get a channel for TX */
+	auide->tx_chan = au1xxx_dbdma_chan_alloc(DSCR_CMD0_ALWAYS,
+						 auide->tx_dev_id,
+						 NULL,
+						 (void*)auide);
+ 
+	/* Get a channel for RX */
+	auide->rx_chan = au1xxx_dbdma_chan_alloc(auide->rx_dev_id,
+						 DSCR_CMD0_ALWAYS,
+						 NULL,
+						 (void*)auide);
+ 
+	auide->tx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->tx_chan,
+							     NUM_DESCRIPTORS);
+	auide->rx_desc_head = (void*)au1xxx_dbdma_ring_alloc(auide->rx_chan,
+							     NUM_DESCRIPTORS);
+ 
+	au1xxx_dbdma_start( auide->tx_chan );
+	au1xxx_dbdma_start( auide->rx_chan );
+ 	
+	return 0;
 }
+#endif
 
 static void auide_setup_ports(hw_regs_t *hw, _auide_hwif *ahwif)
 {
-        int i;
-#define ide_ioreg_t unsigned long
-        ide_ioreg_t *ata_regs = hw->io_ports;
-
-	/* fixme */
-        for (i = 0; i < IDE_CONTROL_OFFSET; i++) {
-                *ata_regs++ = (ide_ioreg_t) ahwif->regbase
-                            + (ide_ioreg_t)(i << AU1XXX_ATA_REG_OFFSET);
-        }
-
-        /* set the Alternative Status register */
-        *ata_regs = (ide_ioreg_t) ahwif->regbase
-                  + (ide_ioreg_t)(14 << AU1XXX_ATA_REG_OFFSET);
+	int i;
+	unsigned long *ata_regs = hw->io_ports;
+
+	/* FIXME? */
+	for (i = 0; i < IDE_CONTROL_OFFSET; i++) {
+		*ata_regs++ = ahwif->regbase + (i << AU1XXX_ATA_REG_OFFSET);
+	}
+
+	/* set the Alternative Status register */
+	*ata_regs = ahwif->regbase + (14 << AU1XXX_ATA_REG_OFFSET);
 }
 
 static int au_ide_probe(struct device *dev)
 {
 	struct platform_device *pdev = to_platform_device(dev);
-        _auide_hwif *ahwif = &auide_hwif;
-        ide_hwif_t *hwif;
+	_auide_hwif *ahwif = &auide_hwif;
+	ide_hwif_t *hwif;
 	struct resource *res;
 	int ret = 0;
 
 #if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
-        char *mode = "MWDMA2";
+	char *mode = "MWDMA2";
 #elif defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA)
-        char *mode = "PIO+DDMA(offload)";
+	char *mode = "PIO+DDMA(offload)";
 #endif
 
-        memset(&auide_hwif, 0, sizeof(_auide_hwif));
-        auide_hwif.dev                  = 0;
+	memset(&auide_hwif, 0, sizeof(_auide_hwif));
+	auide_hwif.dev                  = 0;
 
 	ahwif->dev = dev;
 	ahwif->irq = platform_get_irq(pdev, 0);
@@ -902,11 +675,11 @@ static int au_ide_probe(struct device *dev)
 		goto out;
 	}
 
-        if (!request_mem_region (res->start, res->end-res->start, pdev->name)) {
+	if (!request_mem_region (res->start, res->end-res->start, pdev->name)) {
 		pr_debug("%s: request_mem_region failed\n", DRV_NAME);
-                ret =  -EBUSY;
+		ret =  -EBUSY;
 		goto out;
-        }
+	}
 
 	ahwif->regbase = (u32)ioremap(res->start, res->end-res->start);
 	if (ahwif->regbase == 0) {
@@ -914,130 +687,92 @@ static int au_ide_probe(struct device *dev)
 		goto out;
 	}
 
-        hwif                            = &ide_hwifs[pdev->id];
+	/* FIXME:  This might possibly break PCMCIA IDE devices */
+
+	hwif                            = &ide_hwifs[pdev->id];
 	hw_regs_t *hw 			= &hwif->hw;
-        hwif->irq = hw->irq             = ahwif->irq;
-        hwif->chipset                   = ide_au1xxx;
+	hwif->irq = hw->irq             = ahwif->irq;
+	hwif->chipset                   = ide_au1xxx;
 
-        auide_setup_ports(hw, ahwif);
+	auide_setup_ports(hw, ahwif);
 	memcpy(hwif->io_ports, hw->io_ports, sizeof(hwif->io_ports));
 
-#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ
-        hwif->rqsize = CONFIG_BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ;
-        hwif->rqsize                    = ((hwif->rqsize > AU1XXX_ATA_RQSIZE)
-                                        || (hwif->rqsize < 32)) ? AU1XXX_ATA_RQSIZE : hwif->rqsize;
-#else /* if kernel config is not set */
-        hwif->rqsize                    = AU1XXX_ATA_RQSIZE;
-#endif
-
-        hwif->ultra_mask                = 0x0;  /* Disable Ultra DMA */
+	hwif->ultra_mask                = 0x0;  /* Disable Ultra DMA */
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-        hwif->mwdma_mask                = 0x07; /* Multimode-2 DMA  */
-        hwif->swdma_mask                = 0x07;
+	hwif->mwdma_mask                = 0x07; /* Multimode-2 DMA  */
+	hwif->swdma_mask                = 0x00;
 #else
-        hwif->mwdma_mask                = 0x0;
-        hwif->swdma_mask                = 0x0;
+	hwif->mwdma_mask                = 0x0;
+	hwif->swdma_mask                = 0x0;
+#endif
+
+	hwif->noprobe = 0;
+	hwif->drives[0].unmask          = 1;
+	hwif->drives[1].unmask          = 1;
+
+	/* hold should be on in all cases */
+	hwif->hold                      = 1;
+	hwif->mmio                      = 2;
+
+	/* If the user has selected DDMA assisted copies,
+	   then set up a few local I/O function entry points 
+	*/
+
+#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA	
+	hwif->INSW                      = auide_insw;
+	hwif->OUTSW                     = auide_outsw;
 #endif
-        //hwif->noprobe = !hwif->io_ports[IDE_DATA_OFFSET];
-        hwif->noprobe = 0;
-        hwif->drives[0].unmask          = 1;
-        hwif->drives[1].unmask          = 1;
-
-        /* hold should be on in all cases */
-        hwif->hold                      = 1;
-        hwif->mmio                      = 2;
-
-        /* set up local I/O function entry points */
-        hwif->INB                       = auide_inb;
-        hwif->INW                       = auide_inw;
-        hwif->INL                       = auide_inl;
-        hwif->INSW                      = auide_insw;
-        hwif->INSL                      = auide_insl;
-        hwif->OUTB                      = auide_outb;
-        hwif->OUTBSYNC                  = auide_outbsync;
-        hwif->OUTW                      = auide_outw;
-        hwif->OUTL                      = auide_outl;
-        hwif->OUTSW                     = auide_outsw;
-        hwif->OUTSL                     = auide_outsl;
-
-        hwif->tuneproc                  = &auide_tune_drive;
-        hwif->speedproc                 = &auide_tune_chipset;
+
+	hwif->tuneproc                  = &auide_tune_drive;
+	hwif->speedproc                 = &auide_tune_chipset;
 
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-        hwif->ide_dma_off_quietly       = &auide_dma_off_quietly;
-        hwif->ide_dma_timeout           = &auide_dma_timeout;
-
-        hwif->ide_dma_check             = &auide_dma_check;
-        hwif->dma_exec_cmd              = &auide_dma_exec_cmd;
-        hwif->dma_start                 = &auide_dma_start;
-        hwif->ide_dma_end               = &auide_dma_end;
-        hwif->dma_setup                 = &auide_dma_setup;
-        hwif->ide_dma_test_irq          = &auide_dma_test_irq;
-        hwif->ide_dma_host_off          = &auide_dma_host_off;
-        hwif->ide_dma_host_on           = &auide_dma_host_on;
-        hwif->ide_dma_lostirq           = &auide_dma_lostirq;
-        hwif->ide_dma_on                = &auide_dma_on;
-
-        hwif->autodma                   = 1;
-        hwif->drives[0].autodma         = hwif->autodma;
-        hwif->drives[1].autodma         = hwif->autodma;
-        hwif->atapi_dma                 = 1;
-        hwif->drives[0].using_dma       = 1;
-        hwif->drives[1].using_dma       = 1;
+	hwif->ide_dma_off_quietly       = &auide_dma_off_quietly;
+	hwif->ide_dma_timeout           = &auide_dma_timeout;
+
+	hwif->ide_dma_check             = &auide_dma_check;
+	hwif->dma_exec_cmd              = &auide_dma_exec_cmd;
+	hwif->dma_start                 = &auide_dma_start;
+	hwif->ide_dma_end               = &auide_dma_end;
+	hwif->dma_setup                 = &auide_dma_setup;
+	hwif->ide_dma_test_irq          = &auide_dma_test_irq;
+	hwif->ide_dma_host_off          = &auide_dma_host_off;
+	hwif->ide_dma_host_on           = &auide_dma_host_on;
+	hwif->ide_dma_lostirq           = &auide_dma_lostirq;
+	hwif->ide_dma_on                = &auide_dma_on;
+
+	hwif->autodma                   = 1;
+	hwif->drives[0].autodma         = hwif->autodma;
+	hwif->drives[1].autodma         = hwif->autodma;
+	hwif->atapi_dma                 = 1;
+
 #else /* !CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
-        hwif->autodma                   = 0;
-        hwif->channel                   = 0;
-        hwif->hold                      = 1;
-        hwif->select_data               = 0;    /* no chipset-specific code */
-        hwif->config_data               = 0;    /* no chipset-specific code */
-
-        hwif->drives[0].autodma         = 0;
-        hwif->drives[0].drive_data      = 0;    /* no drive data */
-        hwif->drives[0].using_dma       = 0;
-        hwif->drives[0].waiting_for_dma = 0;
-        hwif->drives[0].autotune        = 1;    /* 1=autotune, 2=noautotune, 0=default */
-        /* secondary hdd not supported */
-        hwif->drives[1].autodma         = 0;
-
-        hwif->drives[1].drive_data      = 0;
-        hwif->drives[1].using_dma       = 0;
-        hwif->drives[1].waiting_for_dma = 0;
-        hwif->drives[1].autotune        = 2;   /* 1=autotune, 2=noautotune, 0=default */
-#endif
-        hwif->drives[0].io_32bit        = 0;   /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */
-        hwif->drives[1].io_32bit        = 0;   /* 0=16-bit, 1=32-bit, 2/3=32bit+sync */
-
-        /*Register Driver with PM Framework*/
-#ifdef CONFIG_PM
-        auide_hwif.pm.lock    = SPIN_LOCK_UNLOCKED;
-        auide_hwif.pm.stopped = 0;
-
-        auide_hwif.pm.dev = new_au1xxx_power_device( "ide",
-                                                &au1200ide_pm_callback,
-                                                NULL);
-        if ( auide_hwif.pm.dev == NULL )
-                printk(KERN_INFO "Unable to create a power management \
-                                device entry for the au1200-IDE.\n");
-        else
-                printk(KERN_INFO "Power management device entry for the \
-                                au1200-IDE loaded.\n");
+	hwif->autodma                   = 0;
+	hwif->channel                   = 0;
+	hwif->hold                      = 1;
+	hwif->select_data               = 0;    /* no chipset-specific code */
+	hwif->config_data               = 0;    /* no chipset-specific code */
+
+	hwif->drives[0].autodma         = 0;
+	hwif->drives[0].autotune        = 1;    /* 1=autotune, 2=noautotune, 0=default */
 #endif
+	hwif->drives[0].no_io_32bit     = 1;   
 
-        auide_hwif.hwif                 = hwif;
-        hwif->hwif_data                 = &auide_hwif;
+	auide_hwif.hwif                 = hwif;
+	hwif->hwif_data                 = &auide_hwif;
 
-#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA
-        auide_ddma_init(&auide_hwif);
-        dbdma_init_done = 1;
+#ifdef CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA           
+	auide_ddma_init(&auide_hwif);
+	dbdma_init_done = 1;
 #endif
 
 	probe_hwif_init(hwif);
 	dev_set_drvdata(dev, hwif);
 
-        printk(KERN_INFO "Au1xxx IDE(builtin) configured for %s\n", mode );
+	printk(KERN_INFO "Au1xxx IDE(builtin) configured for %s\n", mode );
 
-out:
-        return ret;
+ out:
+	return ret;
 }
 
 static int au_ide_remove(struct device *dev)
@@ -1045,7 +780,7 @@ static int au_ide_remove(struct device *dev)
 	struct platform_device *pdev = to_platform_device(dev);
 	struct resource *res;
 	ide_hwif_t *hwif = dev_get_drvdata(dev);
-        _auide_hwif *ahwif = &auide_hwif;
+	_auide_hwif *ahwif = &auide_hwif;
 
 	ide_unregister(hwif - ide_hwifs);
 
@@ -1069,180 +804,11 @@ static int __init au_ide_init(void)
 	return driver_register(&au1200_ide_driver);
 }
 
-static void __init au_ide_exit(void)
+static void __exit au_ide_exit(void)
 {
 	driver_unregister(&au1200_ide_driver);
 }
 
-#ifdef CONFIG_PM
-int au1200ide_pm_callback( au1xxx_power_dev_t *dev,\
-                        au1xxx_request_t request, void *data) {
-
-        unsigned int d, err = 0;
-        unsigned long flags;
-
-        spin_lock_irqsave(auide_hwif.pm.lock, flags);
-
-        switch (request){
-                case AU1XXX_PM_SLEEP:
-                        err = au1xxxide_pm_sleep(dev);
-                        break;
-                case AU1XXX_PM_WAKEUP:
-                        d = *((unsigned int*)data);
-                        if ( d > 0 && d <= 99) {
-                                err = au1xxxide_pm_standby(dev);
-                        }
-                        else {
-                                err = au1xxxide_pm_resume(dev);
-                        }
-                        break;
-                case AU1XXX_PM_GETSTATUS:
-                        err = au1xxxide_pm_getstatus(dev);
-                        break;
-                case AU1XXX_PM_ACCESS:
-                        err = au1xxxide_pm_access(dev);
-                        break;
-                case AU1XXX_PM_IDLE:
-                        err = au1xxxide_pm_idle(dev);
-                        break;
-                case AU1XXX_PM_CLEANUP:
-                        err = au1xxxide_pm_cleanup(dev);
-                        break;
-                default:
-                        err = -1;
-                        break;
-        }
-
-        spin_unlock_irqrestore(auide_hwif.pm.lock, flags);
-
-        return err;
-}
-
-static int au1xxxide_pm_standby( au1xxx_power_dev_t *dev ) {
-        return 0;
-}
-
-static int au1xxxide_pm_sleep( au1xxx_power_dev_t *dev ) {
-
-        int retval;
-        ide_hwif_t *hwif = auide_hwif.hwif;
-        struct request rq;
-        struct request_pm_state rqpm;
-        ide_task_t args;
-
-        if(auide_hwif.pm.stopped)
-                return -1;
-
-        /*
-         * wait until hard disc is ready
-         */
-        if ( wait_for_ready(&hwif->drives[0], 35000) ) {
-                printk("Wait for drive sleep timeout!\n");
-                retval = -1;
-        }
-
-        /*
-         * sequenz to tell the high level ide driver that pm is resuming
-         */
-        memset(&rq, 0, sizeof(rq));
-        memset(&rqpm, 0, sizeof(rqpm));
-        memset(&args, 0, sizeof(args));
-        rq.flags = REQ_PM_SUSPEND;
-        rq.special = &args;
-        rq.pm = &rqpm;
-        rqpm.pm_step = ide_pm_state_start_suspend;
-        rqpm.pm_state = PMSG_SUSPEND;
-
-        retval = ide_do_drive_cmd(&hwif->drives[0], &rq, ide_wait);
-
-        if (wait_for_ready (&hwif->drives[0], 35000)) {
-                printk("Wait for drive sleep timeout!\n");
-                retval = -1;
-        }
-
-        /*
-         * stop dbdma channels
-         */
-        au1xxx_dbdma_reset(auide_hwif.tx_chan);
-        au1xxx_dbdma_reset(auide_hwif.rx_chan);
-
-        auide_hwif.pm.stopped = 1;
-
-        return retval;
-}
-
-static int au1xxxide_pm_resume( au1xxx_power_dev_t *dev ) {
-
-        int retval;
-        ide_hwif_t *hwif = auide_hwif.hwif;
-        struct request rq;
-        struct request_pm_state rqpm;
-        ide_task_t args;
-
-        if(!auide_hwif.pm.stopped)
-                return -1;
-
-        /*
-         * start dbdma channels
-         */
-        au1xxx_dbdma_start(auide_hwif.tx_chan);
-        au1xxx_dbdma_start(auide_hwif.rx_chan);
-
-        /*
-         * wait until hard disc is ready
-         */
-        if (wait_for_ready ( &hwif->drives[0], 35000)) {
-                printk("Wait for drive wake up timeout!\n");
-                retval = -1;
-        }
-
-        /*
-         * sequenz to tell the high level ide driver that pm is resuming
-         */
-        memset(&rq, 0, sizeof(rq));
-        memset(&rqpm, 0, sizeof(rqpm));
-        memset(&args, 0, sizeof(args));
-        rq.flags = REQ_PM_RESUME;
-        rq.special = &args;
-        rq.pm = &rqpm;
-        rqpm.pm_step = ide_pm_state_start_resume;
-        rqpm.pm_state = PMSG_ON;
-
-        retval = ide_do_drive_cmd(&hwif->drives[0], &rq, ide_head_wait);
-
-        /*
-        * wait for hard disc
-        */
-        if ( wait_for_ready(&hwif->drives[0], 35000) ) {
-                printk("Wait for drive wake up timeout!\n");
-                retval = -1;
-        }
-
-        auide_hwif.pm.stopped = 0;
-
-        return retval;
-}
-
-static int au1xxxide_pm_getstatus( au1xxx_power_dev_t *dev ) {
-        return dev->cur_state;
-}
-
-static int au1xxxide_pm_access( au1xxx_power_dev_t *dev ) {
-        if (dev->cur_state != AWAKE_STATE)
-                return 0;
-        else
-                return -1;
-}
-
-static int au1xxxide_pm_idle( au1xxx_power_dev_t *dev ) {
-        return 0;
-}
-
-static int au1xxxide_pm_cleanup( au1xxx_power_dev_t *dev ) {
-        return 0;
-}
-#endif /* CONFIG_PM */
-
 MODULE_LICENSE("GPL");
 MODULE_DESCRIPTION("AU1200 IDE driver");
 
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index af526b671c4e1f..4ee597d087978c 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -622,12 +622,18 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t * d)
 	ide_hwif_t *hwif;
 	int h;
 
+	/*
+	 * Find an empty HWIF; if none available, return -ENOMEM.
+	 */
 	for (h = 0; h < MAX_HWIFS; ++h) {
 		hwif = &ide_hwifs[h];
-		/* Find an empty HWIF */
 		if (hwif->chipset == ide_unknown)
 			break;
 	}
+	if (h == MAX_HWIFS) {
+		printk(KERN_ERR "%s: too many IDE interfaces, no room in table\n", d->name);
+		return -ENOMEM;
+	}
 
 	/*  Get the CmdBlk and CtrlBlk Base Registers */
 	base = pci_resource_start(dev, 0) + IOC4_CMD_OFFSET;
diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c
index 7161ce0ef5aafb..86fb1e0286d38b 100644
--- a/drivers/ide/pci/via82cxxx.c
+++ b/drivers/ide/pci/via82cxxx.c
@@ -80,6 +80,7 @@ static struct via_isa_bridge {
 	u16 flags;
 } via_isa_bridges[] = {
 	{ "vt6410",	PCI_DEVICE_ID_VIA_6410,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
+	{ "vt8251",	PCI_DEVICE_ID_VIA_8251,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
 	{ "vt8237",	PCI_DEVICE_ID_VIA_8237,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
 	{ "vt8235",	PCI_DEVICE_ID_VIA_8235,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
 	{ "vt8233a",	PCI_DEVICE_ID_VIA_8233A,    0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
diff --git a/drivers/input/misc/wistron_btns.c b/drivers/input/misc/wistron_btns.c
index 49d0416a2a9a9d..bac3085185fe6d 100644
--- a/drivers/input/misc/wistron_btns.c
+++ b/drivers/input/misc/wistron_btns.c
@@ -320,7 +320,7 @@ static struct dmi_system_id dmi_ids[] = {
 		},
 		.driver_data = keymap_acer_aspire_1500
 	},
-	{ 0, }
+	{ NULL, }
 };
 
 static int __init select_keymap(void)
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index 4acc7fd4cd0fdc..4f41ec3e433216 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -42,7 +42,7 @@ static struct alps_model_info alps_model_data[] = {
 	{ { 0x53, 0x02, 0x14 },	0xf8, 0xf8, 0 },
 	{ { 0x63, 0x02, 0x0a },	0xf8, 0xf8, 0 },
 	{ { 0x63, 0x02, 0x14 },	0xf8, 0xf8, 0 },
-	{ { 0x63, 0x02, 0x28 },	0xf8, 0xf8, 0 },
+	{ { 0x63, 0x02, 0x28 },	0xf8, 0xf8, ALPS_FW_BK_2 },		/* Fujitsu Siemens S6010 */
 	{ { 0x63, 0x02, 0x3c },	0x8f, 0x8f, ALPS_WHEEL },		/* Toshiba Satellite S2400-103 */
 	{ { 0x63, 0x02, 0x50 },	0xef, 0xef, ALPS_FW_BK_1 },		/* NEC Versa L320 */
 	{ { 0x63, 0x02, 0x64 },	0xf8, 0xf8, 0 },
diff --git a/drivers/media/dvb/bt8xx/dst_ca.c b/drivers/media/dvb/bt8xx/dst_ca.c
index e6541aff399685..2239651969c88f 100644
--- a/drivers/media/dvb/bt8xx/dst_ca.c
+++ b/drivers/media/dvb/bt8xx/dst_ca.c
@@ -406,7 +406,7 @@ static int ca_send_message(struct dst_state *state, struct ca_msg *p_ca_message,
 	}
 	dprintk(verbose, DST_CA_DEBUG, 1, " ");
 
-	if (copy_from_user(p_ca_message, (void *)arg, sizeof (struct ca_msg))) {
+	if (copy_from_user(p_ca_message, arg, sizeof (struct ca_msg))) {
 		result = -EFAULT;
 		goto free_mem_and_exit;
 	}
@@ -579,7 +579,7 @@ static int dst_ca_release(struct inode *inode, struct file *file)
 	return 0;
 }
 
-static int dst_ca_read(struct file *file, char __user *buffer, size_t length, loff_t *offset)
+static ssize_t dst_ca_read(struct file *file, char __user *buffer, size_t length, loff_t *offset)
 {
 	int bytes_read = 0;
 
@@ -588,7 +588,7 @@ static int dst_ca_read(struct file *file, char __user *buffer, size_t length, lo
 	return bytes_read;
 }
 
-static int dst_ca_write(struct file *file, const char __user *buffer, size_t length, loff_t *offset)
+static ssize_t dst_ca_write(struct file *file, const char __user *buffer, size_t length, loff_t *offset)
 {
 	dprintk(verbose, DST_CA_DEBUG, 1, " Device write.");
 
diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c
index e8a1c224756731..ec11619f8ea962 100644
--- a/drivers/media/video/em28xx/em28xx-core.c
+++ b/drivers/media/video/em28xx/em28xx-core.c
@@ -126,7 +126,7 @@ u32 em28xx_request_buffers(struct em28xx *dev, u32 count)
 	const size_t imagesize = PAGE_ALIGN(dev->frame_size);	/*needs to be page aligned cause the buffers can be mapped individually! */
 	void *buff = NULL;
 	u32 i;
-	em28xx_coredbg("requested %i buffers with size %i", count, imagesize);
+	em28xx_coredbg("requested %i buffers with size %zd", count, imagesize);
 	if (count > EM28XX_NUM_FRAMES)
 		count = EM28XX_NUM_FRAMES;
 
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index b586a83a9b4c7f..eb41391e06e938 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -679,7 +679,15 @@ static void mmc_idle_cards(struct mmc_host *host)
 }
 
 /*
- * Apply power to the MMC stack.
+ * Apply power to the MMC stack.  This is a two-stage process.
+ * First, we enable power to the card without the clock running.
+ * We then wait a bit for the power to stabilise.  Finally,
+ * enable the bus drivers and clock to the card.
+ *
+ * We must _NOT_ enable the clock prior to power stablising.
+ *
+ * If a host does all the power sequencing itself, ignore the
+ * initial MMC_POWER_UP stage.
  */
 static void mmc_power_up(struct mmc_host *host)
 {
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index e57df8dfe6b4ec..669dd52c412abe 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -3078,7 +3078,7 @@ int s2io_set_swapper(nic_t * sp)
 
 static int wait_for_msix_trans(nic_t *nic, int i)
 {
-	XENA_dev_config_t *bar0 = (XENA_dev_config_t *) nic->bar0;
+	XENA_dev_config_t __iomem *bar0 = nic->bar0;
 	u64 val64;
 	int ret = 0, cnt = 0;
 
@@ -3099,7 +3099,7 @@ static int wait_for_msix_trans(nic_t *nic, int i)
 
 void restore_xmsi_data(nic_t *nic)
 {
-	XENA_dev_config_t *bar0 = (XENA_dev_config_t *) nic->bar0;
+	XENA_dev_config_t __iomem *bar0 = nic->bar0;
 	u64 val64;
 	int i;
 
@@ -3117,7 +3117,7 @@ void restore_xmsi_data(nic_t *nic)
 
 static void store_xmsi_data(nic_t *nic)
 {
-	XENA_dev_config_t *bar0 = (XENA_dev_config_t *) nic->bar0;
+	XENA_dev_config_t __iomem *bar0 = nic->bar0;
 	u64 val64, addr, data;
 	int i;
 
@@ -3140,7 +3140,7 @@ static void store_xmsi_data(nic_t *nic)
 
 int s2io_enable_msi(nic_t *nic)
 {
-	XENA_dev_config_t *bar0 = (XENA_dev_config_t *) nic->bar0;
+	XENA_dev_config_t __iomem *bar0 = nic->bar0;
 	u16 msi_ctrl, msg_val;
 	struct config_param *config = &nic->config;
 	struct net_device *dev = nic->dev;
@@ -3190,7 +3190,7 @@ int s2io_enable_msi(nic_t *nic)
 
 int s2io_enable_msi_x(nic_t *nic)
 {
-	XENA_dev_config_t *bar0 = (XENA_dev_config_t *) nic->bar0;
+	XENA_dev_config_t __iomem *bar0 = nic->bar0;
 	u64 tx_mat, rx_mat;
 	u16 msi_control; /* Temp variable */
 	int ret, i, j, msix_indx = 1;
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 716467879b9c5e..00d683063c0163 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -2280,11 +2280,13 @@ static int skge_xmit_frame(struct sk_buff *skb, struct net_device *dev)
  	}
 
 	if (unlikely(skge->tx_avail < skb_shinfo(skb)->nr_frags +1)) {
-		netif_stop_queue(dev);
-		spin_unlock_irqrestore(&skge->tx_lock, flags);
+		if (!netif_queue_stopped(dev)) {
+			netif_stop_queue(dev);
 
-		printk(KERN_WARNING PFX "%s: ring full when queue awake!\n",
-		       dev->name);
+			printk(KERN_WARNING PFX "%s: ring full when queue awake!\n",
+			       dev->name);
+		}
+		spin_unlock_irqrestore(&skge->tx_lock, flags);
 		return NETDEV_TX_BUSY;
 	}
 
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 47bd4a39442099..a23ed28a72b820 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -68,8 +68,8 @@
 
 #define DRV_MODULE_NAME		"tg3"
 #define PFX DRV_MODULE_NAME	": "
-#define DRV_MODULE_VERSION	"3.44"
-#define DRV_MODULE_RELDATE	"Dec 6, 2005"
+#define DRV_MODULE_VERSION	"3.45"
+#define DRV_MODULE_RELDATE	"Dec 13, 2005"
 
 #define TG3_DEF_MAC_MODE	0
 #define TG3_DEF_RX_MODE		0
@@ -1025,7 +1025,9 @@ static void tg3_frob_aux_power(struct tg3 *tp)
 
 
 	if ((tp->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
-	    (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0) {
+	    (tp->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0 ||
+	    (tp_peer->tg3_flags & TG3_FLAG_WOL_ENABLE) != 0 ||
+	    (tp_peer->tg3_flags & TG3_FLAG_ENABLE_ASF) != 0) {
 		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5700 ||
 		    GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5701) {
 			tw32_f(GRC_LOCAL_CTRL, tp->grc_local_ctrl |
@@ -1105,6 +1107,8 @@ static int tg3_setup_phy(struct tg3 *, int);
 
 static void tg3_write_sig_post_reset(struct tg3 *, int);
 static int tg3_halt_cpu(struct tg3 *, u32);
+static int tg3_nvram_lock(struct tg3 *);
+static void tg3_nvram_unlock(struct tg3 *);
 
 static int tg3_set_power_state(struct tg3 *tp, int state)
 {
@@ -1179,6 +1183,21 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
 		tg3_setup_phy(tp, 0);
 	}
 
+	if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
+		int i;
+		u32 val;
+
+		for (i = 0; i < 200; i++) {
+			tg3_read_mem(tp, NIC_SRAM_FW_ASF_STATUS_MBOX, &val);
+			if (val == ~NIC_SRAM_FIRMWARE_MBOX_MAGIC1)
+				break;
+			msleep(1);
+		}
+	}
+	tg3_write_mem(tp, NIC_SRAM_WOL_MBOX, WOL_SIGNATURE |
+					     WOL_DRV_STATE_SHUTDOWN |
+					     WOL_DRV_WOL | WOL_SET_MAGIC_PKT);
+
 	pci_read_config_word(tp->pdev, pm + PCI_PM_PMC, &power_caps);
 
 	if (tp->tg3_flags & TG3_FLAG_WOL_ENABLE) {
@@ -1268,6 +1287,17 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
 		}
 	}
 
+	if (!(tp->tg3_flags & TG3_FLAG_WOL_ENABLE) &&
+	    !(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
+		/* Turn off the PHY */
+		if (!(tp->tg3_flags2 & TG3_FLG2_PHY_SERDES)) {
+			tg3_writephy(tp, MII_TG3_EXT_CTRL,
+				     MII_TG3_EXT_CTRL_FORCE_LED_OFF);
+			tg3_writephy(tp, MII_TG3_AUX_CTRL, 0x01b2);
+			tg3_writephy(tp, MII_BMCR, BMCR_PDOWN);
+		}
+	}
+
 	tg3_frob_aux_power(tp);
 
 	/* Workaround for unstable PLL clock */
@@ -1277,8 +1307,12 @@ static int tg3_set_power_state(struct tg3 *tp, int state)
 
 		val &= ~((1 << 16) | (1 << 4) | (1 << 2) | (1 << 1) | 1);
 		tw32(0x7d00, val);
-		if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF))
+		if (!(tp->tg3_flags & TG3_FLAG_ENABLE_ASF)) {
+			tg3_nvram_lock(tp);
 			tg3_halt_cpu(tp, RX_CPU_BASE);
+			tw32_f(NVRAM_SWARB, SWARB_REQ_CLR0);
+			tg3_nvram_unlock(tp);
+		}
 	}
 
 	/* Finally, set the new power state. */
@@ -1812,7 +1846,7 @@ static int tg3_setup_copper_phy(struct tg3 *tp, int force_reset)
 		}
 	}
 relink:
-	if (current_link_up == 0) {
+	if (current_link_up == 0 || tp->link_config.phy_is_low_power) {
 		u32 tmp;
 
 		tg3_phy_copper_begin(tp);
@@ -8533,6 +8567,7 @@ static void __devinit tg3_nvram_init(struct tg3 *tp)
 	    GET_ASIC_REV(tp->pci_chip_rev_id) != ASIC_REV_5701) {
 		tp->tg3_flags |= TG3_FLAG_NVRAM;
 
+		tg3_nvram_lock(tp);
 		tg3_enable_nvram_access(tp);
 
 		if (GET_ASIC_REV(tp->pci_chip_rev_id) == ASIC_REV_5752)
@@ -8543,6 +8578,7 @@ static void __devinit tg3_nvram_init(struct tg3 *tp)
 		tg3_get_nvram_size(tp);
 
 		tg3_disable_nvram_access(tp);
+		tg3_nvram_unlock(tp);
 
 	} else {
 		tp->tg3_flags &= ~(TG3_FLAG_NVRAM | TG3_FLAG_NVRAM_BUFFERED);
@@ -8640,10 +8676,10 @@ static int tg3_nvram_read(struct tg3 *tp, u32 offset, u32 *val)
 	if (ret == 0)
 		*val = swab32(tr32(NVRAM_RDDATA));
 
-	tg3_nvram_unlock(tp);
-
 	tg3_disable_nvram_access(tp);
 
+	tg3_nvram_unlock(tp);
+
 	return ret;
 }
 
@@ -8728,6 +8764,10 @@ static int tg3_nvram_write_block_unbuffered(struct tg3 *tp, u32 offset, u32 len,
 
 		offset = offset + (pagesize - page_off);
 
+		/* Nvram lock released by tg3_nvram_read() above,
+		 * so need to get it again.
+		 */
+		tg3_nvram_lock(tp);
 		tg3_enable_nvram_access(tp);
 
 		/*
@@ -10437,8 +10477,13 @@ static struct pci_dev * __devinit tg3_find_5704_peer(struct tg3 *tp)
 			break;
 		pci_dev_put(peer);
 	}
-	if (!peer || peer == tp->pdev)
-		BUG();
+	/* 5704 can be configured in single-port mode, set peer to
+	 * tp->pdev in that case.
+	 */
+	if (!peer) {
+		peer = tp->pdev;
+		return peer;
+	}
 
 	/*
 	 * We don't need to keep the refcount elevated; there's no way
@@ -10820,12 +10865,14 @@ static int tg3_suspend(struct pci_dev *pdev, pm_message_t state)
 
 	tg3_full_lock(tp, 0);
 	tg3_halt(tp, RESET_KIND_SHUTDOWN, 1);
+	tp->tg3_flags &= ~TG3_FLAG_INIT_COMPLETE;
 	tg3_full_unlock(tp);
 
 	err = tg3_set_power_state(tp, pci_choose_state(pdev, state));
 	if (err) {
 		tg3_full_lock(tp, 0);
 
+		tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
 		tg3_init_hw(tp);
 
 		tp->timer.expires = jiffies + tp->timer_offset;
@@ -10859,6 +10906,7 @@ static int tg3_resume(struct pci_dev *pdev)
 
 	tg3_full_lock(tp, 0);
 
+	tp->tg3_flags |= TG3_FLAG_INIT_COMPLETE;
 	tg3_init_hw(tp);
 
 	tp->timer.expires = jiffies + tp->timer_offset;
diff --git a/drivers/net/tg3.h b/drivers/net/tg3.h
index fb7e2a5f4a088b..94dbcf3537ec29 100644
--- a/drivers/net/tg3.h
+++ b/drivers/net/tg3.h
@@ -1529,6 +1529,12 @@
 #define NIC_SRAM_MAC_ADDR_HIGH_MBOX	0x00000c14
 #define NIC_SRAM_MAC_ADDR_LOW_MBOX	0x00000c18
 
+#define NIC_SRAM_WOL_MBOX		0x00000d30
+#define  WOL_SIGNATURE			 0x474c0000
+#define  WOL_DRV_STATE_SHUTDOWN		 0x00000001
+#define  WOL_DRV_WOL			 0x00000002
+#define  WOL_SET_MAGIC_PKT		 0x00000004
+
 #define NIC_SRAM_DATA_CFG_2		0x00000d38
 
 #define  SHASTA_EXT_LED_MODE_MASK	 0x00018000
@@ -1565,6 +1571,7 @@
 #define MII_TG3_EXT_CTRL		0x10 /* Extended control register */
 #define  MII_TG3_EXT_CTRL_FIFO_ELASTIC	0x0001
 #define  MII_TG3_EXT_CTRL_LNK3_LED_MODE	0x0002
+#define  MII_TG3_EXT_CTRL_FORCE_LED_OFF	0x0008
 #define  MII_TG3_EXT_CTRL_TBI		0x8000
 
 #define MII_TG3_EXT_STAT		0x11 /* Extended status register */
diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 716df015f8d017..6707df96893459 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -6,6 +6,9 @@ obj-y		+= access.o bus.o probe.o remove.o pci.o quirks.o \
 			pci-driver.o search.o pci-sysfs.o rom.o setup-res.o
 obj-$(CONFIG_PROC_FS) += proc.o
 
+# Build PCI Express stuff if needed
+obj-$(CONFIG_PCIEPORTBUS) += pcie/
+
 obj-$(CONFIG_HOTPLUG) += hotplug.o
 
 # Build the PCI Hotplug drivers if we were asked to
@@ -40,7 +43,3 @@ endif
 ifeq ($(CONFIG_PCI_DEBUG),y)
 EXTRA_CFLAGS += -DDEBUG
 endif
-
-# Build PCI Express stuff if needed
-obj-$(CONFIG_PCIEPORTBUS) += pcie/
-
diff --git a/drivers/sbus/char/jsflash.c b/drivers/sbus/char/jsflash.c
index c12c5046e2fa1b..14631ac11bc774 100644
--- a/drivers/sbus/char/jsflash.c
+++ b/drivers/sbus/char/jsflash.c
@@ -249,11 +249,11 @@ static loff_t jsf_lseek(struct file * file, loff_t offset, int orig)
 /*
  * OS SIMM Cannot be read in other size but a 32bits word.
  */
-static ssize_t jsf_read(struct file * file, char * buf, 
+static ssize_t jsf_read(struct file * file, char __user * buf, 
     size_t togo, loff_t *ppos)
 {
 	unsigned long p = *ppos;
-	char *tmp = buf;
+	char __user *tmp = buf;
 
 	union byte4 {
 		char s[4];
@@ -305,7 +305,7 @@ static ssize_t jsf_read(struct file * file, char * buf,
 	return tmp-buf;
 }
 
-static ssize_t jsf_write(struct file * file, const char * buf,
+static ssize_t jsf_write(struct file * file, const char __user * buf,
     size_t count, loff_t *ppos)
 {
 	return -ENOSPC;
@@ -356,10 +356,10 @@ static int jsf_ioctl_erase(unsigned long arg)
  * Program a block of flash.
  * Very simple because we can do it byte by byte anyway.
  */
-static int jsf_ioctl_program(unsigned long arg)
+static int jsf_ioctl_program(void __user *arg)
 {
 	struct jsflash_program_arg abuf;
-	char *uptr;
+	char __user *uptr;
 	unsigned long p;
 	unsigned int togo;
 	union {
@@ -367,13 +367,13 @@ static int jsf_ioctl_program(unsigned long arg)
 		char s[4];
 	} b;
 
-	if (copy_from_user(&abuf, (char *)arg, JSFPRGSZ))
+	if (copy_from_user(&abuf, arg, JSFPRGSZ))
 		return -EFAULT; 
 	p = abuf.off;
 	togo = abuf.size;
 	if ((togo & 3) || (p & 3)) return -EINVAL;
 
-	uptr = (char *) (unsigned long) abuf.data;
+	uptr = (char __user *) (unsigned long) abuf.data;
 	while (togo != 0) {
 		togo -= 4;
 		if (copy_from_user(&b.s[0], uptr, 4))
@@ -390,19 +390,20 @@ static int jsf_ioctl(struct inode *inode, struct file *f, unsigned int cmd,
     unsigned long arg)
 {
 	int error = -ENOTTY;
+	void __user *argp = (void __user *)arg;
 
 	if (!capable(CAP_SYS_ADMIN))
 		return -EPERM;
 	switch (cmd) {
 	case JSFLASH_IDENT:
-		if (copy_to_user((void *)arg, &jsf0.id, JSFIDSZ))
+		if (copy_to_user(argp, &jsf0.id, JSFIDSZ))
 			return -EFAULT;
 		break;
 	case JSFLASH_ERASE:
 		error = jsf_ioctl_erase(arg);
 		break;
 	case JSFLASH_PROGRAM:
-		error = jsf_ioctl_program(arg);
+		error = jsf_ioctl_program(argp);
 		break;
 	}
 
diff --git a/drivers/sbus/char/uctrl.c b/drivers/sbus/char/uctrl.c
index 858cc683f85c76..e2d9a7c8542700 100644
--- a/drivers/sbus/char/uctrl.c
+++ b/drivers/sbus/char/uctrl.c
@@ -309,7 +309,7 @@ static void uctrl_do_txn(struct uctrl_txn *txn)
 	}
 }
 
-void uctrl_get_event_status()
+void uctrl_get_event_status(void)
 {
 	struct uctrl_driver *driver = &drv;
 	struct uctrl_txn txn;
@@ -318,7 +318,7 @@ void uctrl_get_event_status()
 	txn.opcode = READ_EVENT_STATUS;
 	txn.inbits = 0;
 	txn.outbits = 2;
-	txn.inbuf = 0;
+	txn.inbuf = NULL;
 	txn.outbuf = outbits;
 
 	uctrl_do_txn(&txn);
@@ -329,7 +329,7 @@ void uctrl_get_event_status()
 	dprintk(("ev is %x\n", driver->status.event_status));
 }
 
-void uctrl_get_external_status()
+void uctrl_get_external_status(void)
 {
 	struct uctrl_driver *driver = &drv;
 	struct uctrl_txn txn;
@@ -339,7 +339,7 @@ void uctrl_get_external_status()
 	txn.opcode = READ_EXTERNAL_STATUS;
 	txn.inbits = 0;
 	txn.outbits = 2;
-	txn.inbuf = 0;
+	txn.inbuf = NULL;
 	txn.outbuf = outbits;
 
 	uctrl_do_txn(&txn);
@@ -414,7 +414,7 @@ static void __exit ts102_uctrl_cleanup(void)
 	if (driver->irq)
 		free_irq(driver->irq, driver);
 	if (driver->regs)
-		driver->regs = 0;
+		driver->regs = NULL;
 }
 
 module_init(ts102_uctrl_init);
diff --git a/drivers/sbus/char/vfc.h b/drivers/sbus/char/vfc.h
index a7782e7da42ee9..8045cd5e7cb338 100644
--- a/drivers/sbus/char/vfc.h
+++ b/drivers/sbus/char/vfc.h
@@ -125,7 +125,7 @@ struct vfc_regs {
 
 
 struct vfc_dev {
-	volatile struct vfc_regs *regs;
+	volatile struct vfc_regs __iomem *regs;
 	struct vfc_regs *phys_regs;
 	unsigned int control_reg;
 	struct semaphore device_lock_sem;
diff --git a/drivers/sbus/char/vfc_dev.c b/drivers/sbus/char/vfc_dev.c
index 7a103698fa3c3a..dfdd6be551f3ec 100644
--- a/drivers/sbus/char/vfc_dev.c
+++ b/drivers/sbus/char/vfc_dev.c
@@ -149,7 +149,7 @@ int init_vfc_device(struct sbus_dev *sdev,struct vfc_dev *dev, int instance)
 	}
 	printk("Initializing vfc%d\n",instance);
 	dev->regs = NULL;
-	dev->regs = (volatile struct vfc_regs *)
+	dev->regs = (volatile struct vfc_regs __iomem *)
 		sbus_ioremap(&sdev->resource[0], 0,
 			     sizeof(struct vfc_regs), vfcstr);
 	dev->which_io = sdev->reg_addrs[0].which_io;
@@ -319,7 +319,7 @@ int vfc_capture_poll(struct vfc_dev *dev)
 	int timeout = 1000;
 
 	while (!timeout--) {
-		if (dev->regs->control & VFC_STATUS_CAPTURE)
+		if (sbus_readl(&dev->regs->control) & VFC_STATUS_CAPTURE)
 			break;
 		vfc_i2c_delay_no_busy(dev, 100);
 	}
@@ -718,7 +718,7 @@ static void deinit_vfc_device(struct vfc_dev *dev)
 	if(dev == NULL)
 		return;
 	devfs_remove("vfc/%d", dev->instance);
-	sbus_iounmap((unsigned long)dev->regs, sizeof(struct vfc_regs));
+	sbus_iounmap(dev->regs, sizeof(struct vfc_regs));
 	kfree(dev);
 }
 
diff --git a/drivers/scsi/ibmvscsi/ibmvscsi.h b/drivers/scsi/ibmvscsi/ibmvscsi.h
index 8bec0438dc8a91..5b0edd1f19213e 100644
--- a/drivers/scsi/ibmvscsi/ibmvscsi.h
+++ b/drivers/scsi/ibmvscsi/ibmvscsi.h
@@ -100,7 +100,7 @@ int ibmvscsi_init_crq_queue(struct crq_queue *queue,
 void ibmvscsi_release_crq_queue(struct crq_queue *queue,
 				struct ibmvscsi_host_data *hostdata,
 				int max_requests);
-void ibmvscsi_reset_crq_queue(struct crq_queue *queue,
+int ibmvscsi_reset_crq_queue(struct crq_queue *queue,
 			      struct ibmvscsi_host_data *hostdata);
 
 void ibmvscsi_handle_crq(struct viosrp_crq *crq,
diff --git a/drivers/scsi/ibmvscsi/iseries_vscsi.c b/drivers/scsi/ibmvscsi/iseries_vscsi.c
index 1045872b01752f..ce15d9e3962114 100644
--- a/drivers/scsi/ibmvscsi/iseries_vscsi.c
+++ b/drivers/scsi/ibmvscsi/iseries_vscsi.c
@@ -117,9 +117,10 @@ void ibmvscsi_release_crq_queue(struct crq_queue *queue,
  *
  * no-op for iSeries
  */
-void ibmvscsi_reset_crq_queue(struct crq_queue *queue,
+int ibmvscsi_reset_crq_queue(struct crq_queue *queue,
 			      struct ibmvscsi_host_data *hostdata)
 {
+	return 0;
 }
 
 /**
diff --git a/drivers/scsi/ibmvscsi/rpa_vscsi.c b/drivers/scsi/ibmvscsi/rpa_vscsi.c
index 8bf5652f106090..75db2f5c545e99 100644
--- a/drivers/scsi/ibmvscsi/rpa_vscsi.c
+++ b/drivers/scsi/ibmvscsi/rpa_vscsi.c
@@ -230,6 +230,11 @@ int ibmvscsi_init_crq_queue(struct crq_queue *queue,
 	rc = plpar_hcall_norets(H_REG_CRQ,
 				vdev->unit_address,
 				queue->msg_token, PAGE_SIZE);
+	if (rc == H_Resource) 
+		/* maybe kexecing and resource is busy. try a reset */
+		rc = ibmvscsi_reset_crq_queue(queue,
+					      hostdata);
+
 	if (rc == 2) {
 		/* Adapter is good, but other end is not ready */
 		printk(KERN_WARNING "ibmvscsi: Partner adapter not ready\n");
@@ -281,7 +286,7 @@ int ibmvscsi_init_crq_queue(struct crq_queue *queue,
  * @hostdata:	ibmvscsi_host_data of host
  *
  */
-void ibmvscsi_reset_crq_queue(struct crq_queue *queue,
+int ibmvscsi_reset_crq_queue(struct crq_queue *queue,
 			      struct ibmvscsi_host_data *hostdata)
 {
 	int rc;
@@ -309,4 +314,5 @@ void ibmvscsi_reset_crq_queue(struct crq_queue *queue,
 		printk(KERN_WARNING
 		       "ibmvscsi: couldn't register crq--rc 0x%x\n", rc);
 	}
+	return rc;
 }
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 4fea3e4edaa714..3d8009f55342c9 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -3368,7 +3368,7 @@ iscsi_conn_set_param(iscsi_connh_t connh, enum iscsi_param param,
 	switch(param) {
 	case ISCSI_PARAM_MAX_RECV_DLENGTH: {
 		char *saveptr = conn->data;
-		int flags = GFP_KERNEL;
+		gfp_t flags = GFP_KERNEL;
 
 		if (conn->data_size >= value) {
 			conn->max_recv_dlength = value;
diff --git a/drivers/scsi/libata-core.c b/drivers/scsi/libata-core.c
index 665ae79e1fd673..d0a0fdbd0fc4a6 100644
--- a/drivers/scsi/libata-core.c
+++ b/drivers/scsi/libata-core.c
@@ -2443,7 +2443,7 @@ static void ata_sg_clean(struct ata_queued_cmd *qc)
 			struct scatterlist *psg = &qc->pad_sgent;
 			void *addr = kmap_atomic(psg->page, KM_IRQ0);
 			memcpy(addr + psg->offset, pad_buf, qc->pad_len);
-			kunmap_atomic(psg->page, KM_IRQ0);
+			kunmap_atomic(addr, KM_IRQ0);
 		}
 	} else {
 		if (sg_dma_len(&sg[0]) > 0)
@@ -2717,7 +2717,7 @@ static int ata_sg_setup(struct ata_queued_cmd *qc)
 		if (qc->tf.flags & ATA_TFLAG_WRITE) {
 			void *addr = kmap_atomic(psg->page, KM_IRQ0);
 			memcpy(pad_buf, addr + psg->offset, qc->pad_len);
-			kunmap_atomic(psg->page, KM_IRQ0);
+			kunmap_atomic(addr, KM_IRQ0);
 		}
 
 		sg_dma_address(psg) = ap->pad_dma + (qc->tag * ATA_DMA_PAD_SZ);
diff --git a/drivers/scsi/libata-scsi.c b/drivers/scsi/libata-scsi.c
index 379e87089764dd..72ddba98f8fb56 100644
--- a/drivers/scsi/libata-scsi.c
+++ b/drivers/scsi/libata-scsi.c
@@ -2173,9 +2173,12 @@ ata_scsi_find_dev(struct ata_port *ap, const struct scsi_device *scsidev)
 	if (unlikely(!ata_dev_present(dev)))
 		return NULL;
 
-	if (!atapi_enabled) {
-		if (unlikely(dev->class == ATA_DEV_ATAPI))
+	if (!atapi_enabled || (ap->flags & ATA_FLAG_NO_ATAPI)) {
+		if (unlikely(dev->class == ATA_DEV_ATAPI)) {
+			printk(KERN_WARNING "ata%u(%u): WARNING: ATAPI is %s, device ignored.\n",
+			       ap->id, dev->devno, atapi_enabled ? "not supported with this driver" : "disabled");
 			return NULL;
+		}
 	}
 
 	return dev;
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index f9792528e33fb4..578143e93a6f3b 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -664,7 +664,7 @@ mega_build_cmd(adapter_t *adapter, Scsi_Cmnd *cmd, int *busy)
 					sg->offset;
 			} else
 				buf = cmd->request_buffer;
-			memset(cmd->request_buffer, 0, cmd->cmnd[4]);
+			memset(buf, 0, cmd->cmnd[4]);
 			if (cmd->use_sg) {
 				struct scatterlist *sg;
 
diff --git a/drivers/scsi/qla2xxx/qla_def.h b/drivers/scsi/qla2xxx/qla_def.h
index 7096945ea2344b..7b3efd53129755 100644
--- a/drivers/scsi/qla2xxx/qla_def.h
+++ b/drivers/scsi/qla2xxx/qla_def.h
@@ -2476,17 +2476,9 @@ typedef struct scsi_qla_host {
  */
 #define LOOP_TRANSITION(ha) \
 	(test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || \
-	 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags))
-
-#define LOOP_NOT_READY(ha) \
-	((test_bit(ISP_ABORT_NEEDED, &ha->dpc_flags) || \
-	  test_bit(ABORT_ISP_ACTIVE, &ha->dpc_flags) || \
-	  test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || \
-	  test_bit(LOOP_RESYNC_ACTIVE, &ha->dpc_flags)) || \
+	 test_bit(LOOP_RESYNC_NEEDED, &ha->dpc_flags) || \
 	 atomic_read(&ha->loop_state) == LOOP_DOWN)
 
-#define LOOP_RDY(ha)	(!LOOP_NOT_READY(ha))
-
 #define TGT_Q(ha, t) (ha->otgt[t])
 
 #define to_qla_host(x)		((scsi_qla_host_t *) (x)->hostdata)
diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c
index 2d720121a0d36f..c46d2469b85f9e 100644
--- a/drivers/scsi/qla2xxx/qla_init.c
+++ b/drivers/scsi/qla2xxx/qla_init.c
@@ -1259,7 +1259,7 @@ qla2x00_configure_hba(scsi_qla_host_t *ha)
 	rval = qla2x00_get_adapter_id(ha,
 	    &loop_id, &al_pa, &area, &domain, &topo);
 	if (rval != QLA_SUCCESS) {
-		if (LOOP_NOT_READY(ha) || atomic_read(&ha->loop_down_timer) ||
+		if (LOOP_TRANSITION(ha) || atomic_read(&ha->loop_down_timer) ||
 		    (rval == QLA_COMMAND_ERROR && loop_id == 0x7)) {
 			DEBUG2(printk("%s(%ld) Loop is in a transition state\n",
 			    __func__, ha->host_no));
@@ -1796,7 +1796,7 @@ qla2x00_configure_loop(scsi_qla_host_t *ha)
 	}
 
 	if (rval == QLA_SUCCESS && test_bit(RSCN_UPDATE, &flags)) {
-		if (LOOP_NOT_READY(ha)) {
+		if (LOOP_TRANSITION(ha)) {
 			rval = QLA_FUNCTION_FAILED;
 		} else {
 			rval = qla2x00_configure_fabric(ha);
@@ -2369,7 +2369,7 @@ qla2x00_find_all_fabric_devs(scsi_qla_host_t *ha, struct list_head *new_fcports)
 		if (qla2x00_is_reserved_id(ha, loop_id))
 			continue;
 
-		if (atomic_read(&ha->loop_down_timer) || LOOP_NOT_READY(ha))
+		if (atomic_read(&ha->loop_down_timer) || LOOP_TRANSITION(ha))
 			break;
 
 		if (swl != NULL) {
diff --git a/drivers/scsi/qla2xxx/qla_isr.c b/drivers/scsi/qla2xxx/qla_isr.c
index 09afc0f06bd481..5181d966fecba1 100644
--- a/drivers/scsi/qla2xxx/qla_isr.c
+++ b/drivers/scsi/qla2xxx/qla_isr.c
@@ -909,6 +909,21 @@ qla2x00_status_entry(scsi_qla_host_t *ha, void *pkt)
 			resid = resid_len;
 			cp->resid = resid;
 			CMD_RESID_LEN(cp) = resid;
+
+			if (!lscsi_status &&
+			    ((unsigned)(cp->request_bufflen - resid) <
+			     cp->underflow)) {
+				qla_printk(KERN_INFO, ha,
+				    "scsi(%ld:%d:%d:%d): Mid-layer underflow "
+				    "detected (%x of %x bytes)...returning "
+				    "error status.\n", ha->host_no,
+				    cp->device->channel, cp->device->id,
+				    cp->device->lun, resid,
+				    cp->request_bufflen);
+
+				cp->result = DID_ERROR << 16;
+				break;
+			}
 		}
 		cp->result = DID_OK << 16 | lscsi_status;
 
diff --git a/drivers/scsi/sata_mv.c b/drivers/scsi/sata_mv.c
index ab7432a5778e27..9321cdf45680cb 100644
--- a/drivers/scsi/sata_mv.c
+++ b/drivers/scsi/sata_mv.c
@@ -86,7 +86,8 @@ enum {
 	MV_FLAG_DUAL_HC		= (1 << 30),  /* two SATA Host Controllers */
 	MV_FLAG_IRQ_COALESCE	= (1 << 29),  /* IRQ coalescing capability */
 	MV_COMMON_FLAGS		= (ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-				   ATA_FLAG_SATA_RESET | ATA_FLAG_MMIO),
+				   ATA_FLAG_SATA_RESET | ATA_FLAG_MMIO |
+				   ATA_FLAG_NO_ATAPI),
 	MV_6XXX_FLAGS		= MV_FLAG_IRQ_COALESCE,
 
 	CRQB_FLAG_READ		= (1 << 0),
diff --git a/drivers/scsi/sata_promise.c b/drivers/scsi/sata_promise.c
index 8a8e3e3ef0ed3b..2691625f9bce0b 100644
--- a/drivers/scsi/sata_promise.c
+++ b/drivers/scsi/sata_promise.c
@@ -70,6 +70,9 @@ enum {
 	PDC_HAS_PATA		= (1 << 1), /* PDC20375 has PATA */
 
 	PDC_RESET		= (1 << 11), /* HDMA reset */
+
+	PDC_COMMON_FLAGS	= ATA_FLAG_NO_LEGACY | ATA_FLAG_SRST |
+				  ATA_FLAG_MMIO | ATA_FLAG_NO_ATAPI,
 };
 
 
@@ -162,8 +165,7 @@ static struct ata_port_info pdc_port_info[] = {
 	/* board_2037x */
 	{
 		.sht		= &pdc_ata_sht,
-		.host_flags	= ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-				  ATA_FLAG_SRST | ATA_FLAG_MMIO,
+		.host_flags	= PDC_COMMON_FLAGS | ATA_FLAG_SATA,
 		.pio_mask	= 0x1f, /* pio0-4 */
 		.mwdma_mask	= 0x07, /* mwdma0-2 */
 		.udma_mask	= 0x7f, /* udma0-6 ; FIXME */
@@ -173,8 +175,7 @@ static struct ata_port_info pdc_port_info[] = {
 	/* board_20319 */
 	{
 		.sht		= &pdc_ata_sht,
-		.host_flags	= ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-				  ATA_FLAG_SRST | ATA_FLAG_MMIO,
+		.host_flags	= PDC_COMMON_FLAGS | ATA_FLAG_SATA,
 		.pio_mask	= 0x1f, /* pio0-4 */
 		.mwdma_mask	= 0x07, /* mwdma0-2 */
 		.udma_mask	= 0x7f, /* udma0-6 ; FIXME */
@@ -184,8 +185,7 @@ static struct ata_port_info pdc_port_info[] = {
 	/* board_20619 */
 	{
 		.sht		= &pdc_ata_sht,
-		.host_flags	= ATA_FLAG_NO_LEGACY | ATA_FLAG_SRST |
-				  ATA_FLAG_MMIO | ATA_FLAG_SLAVE_POSS,
+		.host_flags	= PDC_COMMON_FLAGS | ATA_FLAG_SLAVE_POSS,
 		.pio_mask	= 0x1f, /* pio0-4 */
 		.mwdma_mask	= 0x07, /* mwdma0-2 */
 		.udma_mask	= 0x7f, /* udma0-6 ; FIXME */
diff --git a/drivers/scsi/sata_sx4.c b/drivers/scsi/sata_sx4.c
index dcc3ad9a9d6e24..ac7b0d819ebc91 100644
--- a/drivers/scsi/sata_sx4.c
+++ b/drivers/scsi/sata_sx4.c
@@ -220,7 +220,8 @@ static struct ata_port_info pdc_port_info[] = {
 	{
 		.sht		= &pdc_sata_sht,
 		.host_flags	= ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-				  ATA_FLAG_SRST | ATA_FLAG_MMIO,
+				  ATA_FLAG_SRST | ATA_FLAG_MMIO |
+				  ATA_FLAG_NO_ATAPI,
 		.pio_mask	= 0x1f, /* pio0-4 */
 		.mwdma_mask	= 0x07, /* mwdma0-2 */
 		.udma_mask	= 0x7f, /* udma0-6 ; FIXME */
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 18c5d252301441..c0ae9e965f6f26 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -422,10 +422,15 @@ static int scsi_eh_completed_normally(struct scsi_cmnd *scmd)
  **/
 static void scsi_eh_done(struct scsi_cmnd *scmd)
 {
+	struct completion     *eh_action;
+
 	SCSI_LOG_ERROR_RECOVERY(3,
 		printk("%s scmd: %p result: %x\n",
 			__FUNCTION__, scmd, scmd->result));
-	complete(scmd->device->host->eh_action);
+
+	eh_action = scmd->device->host->eh_action;
+	if (eh_action)
+		complete(eh_action);
 }
 
 /**
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index ce9d73a292e2a0..dc249cb970ea49 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -1085,6 +1085,26 @@ static void scsi_generic_done(struct scsi_cmnd *cmd)
 	scsi_io_completion(cmd, cmd->result == 0 ? cmd->bufflen : 0, 0);
 }
 
+void scsi_setup_blk_pc_cmnd(struct scsi_cmnd *cmd, int retries)
+{
+	struct request *req = cmd->request;
+
+	BUG_ON(sizeof(req->cmd) > sizeof(cmd->cmnd));
+	memcpy(cmd->cmnd, req->cmd, sizeof(cmd->cmnd));
+	cmd->cmd_len = req->cmd_len;
+	if (!req->data_len)
+		cmd->sc_data_direction = DMA_NONE;
+	else if (rq_data_dir(req) == WRITE)
+		cmd->sc_data_direction = DMA_TO_DEVICE;
+	else
+		cmd->sc_data_direction = DMA_FROM_DEVICE;
+	
+	cmd->transfersize = req->data_len;
+	cmd->allowed = retries;
+	cmd->timeout_per_command = req->timeout;
+}
+EXPORT_SYMBOL_GPL(scsi_setup_blk_pc_cmnd);
+
 static int scsi_prep_fn(struct request_queue *q, struct request *req)
 {
 	struct scsi_device *sdev = q->queuedata;
@@ -1220,18 +1240,7 @@ static int scsi_prep_fn(struct request_queue *q, struct request *req)
 				goto kill;
 			}
 		} else {
-			memcpy(cmd->cmnd, req->cmd, sizeof(cmd->cmnd));
-			cmd->cmd_len = req->cmd_len;
-			if (rq_data_dir(req) == WRITE)
-				cmd->sc_data_direction = DMA_TO_DEVICE;
-			else if (req->data_len)
-				cmd->sc_data_direction = DMA_FROM_DEVICE;
-			else
-				cmd->sc_data_direction = DMA_NONE;
-			
-			cmd->transfersize = req->data_len;
-			cmd->allowed = 3;
-			cmd->timeout_per_command = req->timeout;
+			scsi_setup_blk_pc_cmnd(cmd, 3);
 			cmd->done = scsi_generic_done;
 		}
 	}
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index 49fd18c1a9c6d2..e08462d50c97e8 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -249,7 +249,7 @@ static inline struct list_head *skb_to_lh(struct sk_buff *skb)
 }
 
 static void*
-mempool_zone_alloc_skb(unsigned int gfp_mask, void *pool_data)
+mempool_zone_alloc_skb(gfp_t gfp_mask, void *pool_data)
 {
 	struct mempool_zone *zone = pool_data;
 
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 8613a1317712c9..03fcbab3003397 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -245,24 +245,10 @@ static int sd_init_command(struct scsi_cmnd * SCpnt)
 	 * SG_IO from block layer already setup, just copy cdb basically
 	 */
 	if (blk_pc_request(rq)) {
-		if (sizeof(rq->cmd) > sizeof(SCpnt->cmnd))
-			return 0;
-
-		memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd));
-		SCpnt->cmd_len = rq->cmd_len;
-		if (rq_data_dir(rq) == WRITE)
-			SCpnt->sc_data_direction = DMA_TO_DEVICE;
-		else if (rq->data_len)
-			SCpnt->sc_data_direction = DMA_FROM_DEVICE;
-		else
-			SCpnt->sc_data_direction = DMA_NONE;
-
-		this_count = rq->data_len;
+		scsi_setup_blk_pc_cmnd(SCpnt, SD_PASSTHROUGH_RETRIES);
 		if (rq->timeout)
 			timeout = rq->timeout;
 
-		SCpnt->transfersize = rq->data_len;
-		SCpnt->allowed = SD_PASSTHROUGH_RETRIES;
 		goto queue;
 	}
 
diff --git a/drivers/scsi/sr.c b/drivers/scsi/sr.c
index d68cea753bb222..fb4012b5c1884b 100644
--- a/drivers/scsi/sr.c
+++ b/drivers/scsi/sr.c
@@ -320,25 +320,11 @@ static int sr_init_command(struct scsi_cmnd * SCpnt)
 	 * these are already setup, just copy cdb basically
 	 */
 	if (SCpnt->request->flags & REQ_BLOCK_PC) {
-		struct request *rq = SCpnt->request;
+		scsi_setup_blk_pc_cmnd(SCpnt, MAX_RETRIES);
 
-		if (sizeof(rq->cmd) > sizeof(SCpnt->cmnd))
-			return 0;
-
-		memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd));
-		SCpnt->cmd_len = rq->cmd_len;
-		if (!rq->data_len)
-			SCpnt->sc_data_direction = DMA_NONE;
-		else if (rq_data_dir(rq) == WRITE)
-			SCpnt->sc_data_direction = DMA_TO_DEVICE;
-		else
-			SCpnt->sc_data_direction = DMA_FROM_DEVICE;
-
-		this_count = rq->data_len;
-		if (rq->timeout)
-			timeout = rq->timeout;
+		if (SCpnt->timeout_per_command)
+			timeout = SCpnt->timeout_per_command;
 
-		SCpnt->transfersize = rq->data_len;
 		goto queue;
 	}
 
diff --git a/drivers/scsi/st.c b/drivers/scsi/st.c
index 7ac6ea141fffaf..dd592f6a252962 100644
--- a/drivers/scsi/st.c
+++ b/drivers/scsi/st.c
@@ -4194,27 +4194,10 @@ static void st_intr(struct scsi_cmnd *SCpnt)
  */
 static int st_init_command(struct scsi_cmnd *SCpnt)
 {
-	struct request *rq;
-
 	if (!(SCpnt->request->flags & REQ_BLOCK_PC))
 		return 0;
 
-	rq = SCpnt->request;
-	if (sizeof(rq->cmd) > sizeof(SCpnt->cmnd))
-		return 0;
-
-	memcpy(SCpnt->cmnd, rq->cmd, sizeof(SCpnt->cmnd));
-	SCpnt->cmd_len = rq->cmd_len;
-
-	if (rq_data_dir(rq) == WRITE)
-		SCpnt->sc_data_direction = DMA_TO_DEVICE;
-	else if (rq->data_len)
-		SCpnt->sc_data_direction = DMA_FROM_DEVICE;
-	else
-		SCpnt->sc_data_direction = DMA_NONE;
-
-	SCpnt->timeout_per_command = rq->timeout;
-	SCpnt->transfersize = rq->data_len;
+	scsi_setup_blk_pc_cmnd(SCpnt, 0);
 	SCpnt->done = st_intr;
 	return 1;
 }
diff --git a/drivers/scsi/sym53c8xx_2/sym_hipd.c b/drivers/scsi/sym53c8xx_2/sym_hipd.c
index a7420cad4547d0..1564ca203a3e6b 100644
--- a/drivers/scsi/sym53c8xx_2/sym_hipd.c
+++ b/drivers/scsi/sym53c8xx_2/sym_hipd.c
@@ -1405,7 +1405,6 @@ static void sym_check_goals(struct sym_hcb *np, struct scsi_target *starget,
 		goal->iu = 0;
 		goal->dt = 0;
 		goal->qas = 0;
-		goal->period = 0;
 		goal->offset = 0;
 		return;
 	}
@@ -1465,7 +1464,8 @@ static int sym_prepare_nego(struct sym_hcb *np, struct sym_ccb *cp, u_char *msgp
 	 * Many devices implement PPR in a buggy way, so only use it if we
 	 * really want to.
 	 */
-	if (goal->iu || goal->dt || goal->qas || (goal->period < 0xa)) {
+	if (goal->offset &&
+	    (goal->iu || goal->dt || goal->qas || (goal->period < 0xa))) {
 		nego = NS_PPR;
 	} else if (spi_width(starget) != goal->width) {
 		nego = NS_WIDE;
diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
index ed550132db0b1a..79efaf7d86a398 100644
--- a/drivers/usb/host/uhci-hcd.c
+++ b/drivers/usb/host/uhci-hcd.c
@@ -717,6 +717,7 @@ static int uhci_suspend(struct usb_hcd *hcd, pm_message_t message)
 	 * at the source, so we must turn off PIRQ.
 	 */
 	pci_write_config_word(to_pci_dev(uhci_dev(uhci)), USBLEGSUP, 0);
+	mb();
 	clear_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
 	uhci->hc_inaccessible = 1;
 	hcd->poll_rh = 0;
@@ -738,6 +739,7 @@ static int uhci_resume(struct usb_hcd *hcd)
 	 * really don't want to keep a stale HCD_FLAG_HW_ACCESSIBLE=0
 	 */
 	set_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags);
+	mb();
 
 	if (uhci->rh_state == UHCI_RH_RESET)	/* Dead */
 		return 0;
diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c
index 45f3130fadea9f..a3e44ef1df4356 100644
--- a/drivers/usb/input/hid-core.c
+++ b/drivers/usb/input/hid-core.c
@@ -893,8 +893,10 @@ static int hid_input_report(int type, struct urb *urb, int interrupt, struct pt_
 
 	size = ((report->size - 1) >> 3) + 1;
 
-	if (len < size)
+	if (len < size) {
 		dbg("report %d is too short, (%d < %d)", report->id, len, size);
+		memset(data + len, 0, size - len);
+	}
 
 	if (hid->claimed & HID_CLAIMED_HIDDEV)
 		hiddev_report_event(hid, report);
diff --git a/drivers/usb/misc/auerswald.c b/drivers/usb/misc/auerswald.c
index 2a28ceeaa66a2e..b293db3c28c372 100644
--- a/drivers/usb/misc/auerswald.c
+++ b/drivers/usb/misc/auerswald.c
@@ -1696,7 +1696,7 @@ static ssize_t auerchar_write (struct file *file, const char __user *buf, size_t
 	int ret;
 	wait_queue_t wait;
 
-        dbg ("auerchar_write %d bytes", len);
+        dbg ("auerchar_write %zd bytes", len);
 
 	/* Error checking */
 	if (!ccp)
diff --git a/drivers/video/arcfb.c b/drivers/video/arcfb.c
index 080db812ca487a..2784f0a9d693a2 100644
--- a/drivers/video/arcfb.c
+++ b/drivers/video/arcfb.c
@@ -441,7 +441,7 @@ static int arcfb_ioctl(struct inode *inode, struct file *file,
  * the fb. it's inefficient for them to do anything less than 64*8
  * writes since we update the lcd in each write() anyway.
  */
-static ssize_t arcfb_write(struct file *file, const char *buf, size_t count,
+static ssize_t arcfb_write(struct file *file, const char __user *buf, size_t count,
 				loff_t *ppos)
 {
 	/* modded from epson 1355 */
diff --git a/drivers/video/cfbcopyarea.c b/drivers/video/cfbcopyarea.c
index cdc71572cf356d..74415325b016db 100644
--- a/drivers/video/cfbcopyarea.c
+++ b/drivers/video/cfbcopyarea.c
@@ -64,8 +64,8 @@ bitcpy(unsigned long __iomem *dst, int dst_idx, const unsigned long __iomem *src
 	int const shift = dst_idx-src_idx;
 	int left, right;
 
-	first = ~0UL >> dst_idx;
-	last = ~(~0UL >> ((dst_idx+n) % bits));
+	first = FB_SHIFT_HIGH(~0UL, dst_idx);
+	last = ~(FB_SHIFT_HIGH(~0UL, (dst_idx+n) % bits));
 
 	if (!shift) {
 		// Same alignment for source and dest
@@ -216,8 +216,8 @@ bitcpy_rev(unsigned long __iomem *dst, int dst_idx, const unsigned long __iomem
 
 	shift = dst_idx-src_idx;
 
-	first = ~0UL << (bits - 1 - dst_idx);
-	last = ~(~0UL << (bits - 1 - ((dst_idx-n) % bits)));
+	first = FB_SHIFT_LOW(~0UL, bits - 1 - dst_idx);
+	last = ~(FB_SHIFT_LOW(~0UL, bits - 1 - ((dst_idx-n) % bits)));
 
 	if (!shift) {
 		// Same alignment for source and dest
diff --git a/drivers/video/cfbfillrect.c b/drivers/video/cfbfillrect.c
index 167d9314e6eb49..e5ff62e9cfb81c 100644
--- a/drivers/video/cfbfillrect.c
+++ b/drivers/video/cfbfillrect.c
@@ -110,8 +110,8 @@ bitfill_aligned(unsigned long __iomem *dst, int dst_idx, unsigned long pat, unsi
 	if (!n)
 		return;
 
-	first = ~0UL >> dst_idx;
-	last = ~(~0UL >> ((dst_idx+n) % bits));
+	first = FB_SHIFT_HIGH(~0UL, dst_idx);
+	last = ~(FB_SHIFT_HIGH(~0UL, (dst_idx+n) % bits));
 
 	if (dst_idx+n <= bits) {
 		// Single word
@@ -167,8 +167,8 @@ bitfill_unaligned(unsigned long __iomem *dst, int dst_idx, unsigned long pat,
 	if (!n)
 		return;
 
-	first = ~0UL >> dst_idx;
-	last = ~(~0UL >> ((dst_idx+n) % bits));
+	first = FB_SHIFT_HIGH(~0UL, dst_idx);
+	last = ~(FB_SHIFT_HIGH(~0UL, (dst_idx+n) % bits));
 
 	if (dst_idx+n <= bits) {
 		// Single word
@@ -221,8 +221,8 @@ bitfill_aligned_rev(unsigned long __iomem *dst, int dst_idx, unsigned long pat,
 	if (!n)
 		return;
 
-	first = ~0UL >> dst_idx;
-	last = ~(~0UL >> ((dst_idx+n) % bits));
+	first = FB_SHIFT_HIGH(~0UL, dst_idx);
+	last = ~(FB_SHIFT_HIGH(~0UL, (dst_idx+n) % bits));
 
 	if (dst_idx+n <= bits) {
 		// Single word
@@ -290,8 +290,8 @@ bitfill_unaligned_rev(unsigned long __iomem *dst, int dst_idx, unsigned long pat
 	if (!n)
 		return;
 
-	first = ~0UL >> dst_idx;
-	last = ~(~0UL >> ((dst_idx+n) % bits));
+	first = FB_SHIFT_HIGH(~0UL, dst_idx);
+	last = ~(FB_SHIFT_HIGH(~0UL, (dst_idx+n) % bits));
 
 	if (dst_idx+n <= bits) {
 		// Single word
diff --git a/drivers/video/cfbimgblt.c b/drivers/video/cfbimgblt.c
index a7770c4f17d08f..910e2338a27e3a 100644
--- a/drivers/video/cfbimgblt.c
+++ b/drivers/video/cfbimgblt.c
@@ -76,18 +76,6 @@ static u32 cfb_tab32[] = {
 #define FB_WRITEL fb_writel
 #define FB_READL  fb_readl
 
-#if defined (__BIG_ENDIAN)
-#define LEFT_POS(bpp)          (32 - bpp)
-#define SHIFT_HIGH(val, bits)  ((val) >> (bits))
-#define SHIFT_LOW(val, bits)   ((val) << (bits))
-#define BIT_NR(b)              (7 - (b))
-#else
-#define LEFT_POS(bpp)          (0)
-#define SHIFT_HIGH(val, bits)  ((val) << (bits))
-#define SHIFT_LOW(val, bits)   ((val) >> (bits))
-#define BIT_NR(b)              (b)
-#endif
-
 static inline void color_imageblit(const struct fb_image *image, 
 				   struct fb_info *p, u8 __iomem *dst1, 
 				   u32 start_index,
@@ -109,7 +97,7 @@ static inline void color_imageblit(const struct fb_image *image,
 		val = 0;
 		
 		if (start_index) {
-			u32 start_mask = ~(SHIFT_HIGH(~(u32)0, start_index));
+			u32 start_mask = ~(FB_SHIFT_HIGH(~(u32)0, start_index));
 			val = FB_READL(dst) & start_mask;
 			shift = start_index;
 		}
@@ -119,20 +107,20 @@ static inline void color_imageblit(const struct fb_image *image,
 				color = palette[*src];
 			else
 				color = *src;
-			color <<= LEFT_POS(bpp);
-			val |= SHIFT_HIGH(color, shift);
+			color <<= FB_LEFT_POS(bpp);
+			val |= FB_SHIFT_HIGH(color, shift);
 			if (shift >= null_bits) {
 				FB_WRITEL(val, dst++);
 	
 				val = (shift == null_bits) ? 0 : 
-					SHIFT_LOW(color, 32 - shift);
+					FB_SHIFT_LOW(color, 32 - shift);
 			}
 			shift += bpp;
 			shift &= (32 - 1);
 			src++;
 		}
 		if (shift) {
-			u32 end_mask = SHIFT_HIGH(~(u32)0, shift);
+			u32 end_mask = FB_SHIFT_HIGH(~(u32)0, shift);
 
 			FB_WRITEL((FB_READL(dst) & end_mask) | val, dst);
 		}
@@ -162,6 +150,8 @@ static inline void slow_imageblit(const struct fb_image *image, struct fb_info *
 	u32 i, j, l;
 	
 	dst2 = (u32 __iomem *) dst1;
+	fgcolor <<= FB_LEFT_POS(bpp);
+	bgcolor <<= FB_LEFT_POS(bpp);
 
 	for (i = image->height; i--; ) {
 		shift = val = 0;
@@ -172,22 +162,21 @@ static inline void slow_imageblit(const struct fb_image *image, struct fb_info *
 
 		/* write leading bits */
 		if (start_index) {
-			u32 start_mask = ~(SHIFT_HIGH(~(u32)0, start_index));
+			u32 start_mask = ~(FB_SHIFT_HIGH(~(u32)0,start_index));
 			val = FB_READL(dst) & start_mask;
 			shift = start_index;
 		}
 
 		while (j--) {
 			l--;
-			color = (*s & 1 << (BIT_NR(l))) ? fgcolor : bgcolor;
-			color <<= LEFT_POS(bpp);
-			val |= SHIFT_HIGH(color, shift);
+			color = (*s & 1 << (FB_BIT_NR(l))) ? fgcolor : bgcolor;
+			val |= FB_SHIFT_HIGH(color, shift);
 			
 			/* Did the bitshift spill bits to the next long? */
 			if (shift >= null_bits) {
 				FB_WRITEL(val, dst++);
 				val = (shift == null_bits) ? 0 :
-					 SHIFT_LOW(color,32 - shift);
+					FB_SHIFT_LOW(color,32 - shift);
 			}
 			shift += bpp;
 			shift &= (32 - 1);
@@ -196,7 +185,7 @@ static inline void slow_imageblit(const struct fb_image *image, struct fb_info *
 
 		/* write trailing bits */
  		if (shift) {
-			u32 end_mask = SHIFT_HIGH(~(u32)0, shift);
+			u32 end_mask = FB_SHIFT_HIGH(~(u32)0, shift);
 
 			FB_WRITEL((FB_READL(dst) & end_mask) | val, dst);
 		}
diff --git a/drivers/video/console/fbcon.c b/drivers/video/console/fbcon.c
index bcea87c3cc068a..3660e51b261299 100644
--- a/drivers/video/console/fbcon.c
+++ b/drivers/video/console/fbcon.c
@@ -2048,7 +2048,7 @@ static int fbcon_switch(struct vc_data *vc)
 	struct fbcon_ops *ops;
 	struct display *p = &fb_display[vc->vc_num];
 	struct fb_var_screeninfo var;
-	int i, prev_console;
+	int i, prev_console, charcnt = 256;
 
 	info = registered_fb[con2fb_map[vc->vc_num]];
 	ops = info->fbcon_par;
@@ -2103,7 +2103,8 @@ static int fbcon_switch(struct vc_data *vc)
 	fb_set_var(info, &var);
 	ops->var = info->var;
 
-	if (old_info != NULL && old_info != info) {
+	if (old_info != NULL && (old_info != info ||
+				 info->flags & FBINFO_MISC_ALWAYS_SETPAR)) {
 		if (info->fbops->fb_set_par)
 			info->fbops->fb_set_par(info);
 		fbcon_del_cursor_timer(old_info);
@@ -2120,6 +2121,13 @@ static int fbcon_switch(struct vc_data *vc)
 
 	vc->vc_can_do_color = (fb_get_color_depth(&info->var, &info->fix)!=1);
 	vc->vc_complement_mask = vc->vc_can_do_color ? 0x7700 : 0x0800;
+
+	if (p->userfont)
+		charcnt = FNTCHARCNT(vc->vc_font.data);
+
+	if (charcnt > 256)
+		vc->vc_complement_mask <<= 1;
+
 	updatescrollmode(p, info, vc);
 
 	switch (p->scrollmode) {
@@ -2139,8 +2147,12 @@ static int fbcon_switch(struct vc_data *vc)
 
 	scrollback_max = 0;
 	scrollback_current = 0;
-	ops->var.xoffset = ops->var.yoffset = p->yscroll = 0;
-	ops->update_start(info);
+
+	if (!fbcon_is_inactive(vc, info)) {
+	    ops->var.xoffset = ops->var.yoffset = p->yscroll = 0;
+	    ops->update_start(info);
+	}
+
 	fbcon_set_palette(vc, color_table); 	
 	fbcon_clear_margins(vc, 0);
 
@@ -2184,11 +2196,14 @@ static int fbcon_blank(struct vc_data *vc, int blank, int mode_switch)
 		ops->graphics = 1;
 
 		if (!blank) {
+			if (info->fbops->fb_save_state)
+				info->fbops->fb_save_state(info);
 			var.activate = FB_ACTIVATE_NOW | FB_ACTIVATE_FORCE;
 			fb_set_var(info, &var);
 			ops->graphics = 0;
 			ops->var = info->var;
-		}
+		} else if (info->fbops->fb_restore_state)
+			info->fbops->fb_restore_state(info);
 	}
 
  	if (!fbcon_is_inactive(vc, info)) {
@@ -2736,8 +2751,12 @@ static void fbcon_modechanged(struct fb_info *info)
 		updatescrollmode(p, info, vc);
 		scrollback_max = 0;
 		scrollback_current = 0;
-		ops->var.xoffset = ops->var.yoffset = p->yscroll = 0;
-		ops->update_start(info);
+
+		if (!fbcon_is_inactive(vc, info)) {
+		    ops->var.xoffset = ops->var.yoffset = p->yscroll = 0;
+		    ops->update_start(info);
+		}
+
 		fbcon_set_palette(vc, color_table);
 		update_screen(vc);
 		if (softback_buf)
@@ -2774,8 +2793,13 @@ static void fbcon_set_all_vcs(struct fb_info *info)
 			updatescrollmode(p, info, vc);
 			scrollback_max = 0;
 			scrollback_current = 0;
-			ops->var.xoffset = ops->var.yoffset = p->yscroll = 0;
-			ops->update_start(info);
+
+			if (!fbcon_is_inactive(vc, info)) {
+			    ops->var.xoffset = ops->var.yoffset =
+				p->yscroll = 0;
+			    ops->update_start(info);
+			}
+
 			fbcon_set_palette(vc, color_table);
 			update_screen(vc);
 			if (softback_buf)
diff --git a/drivers/video/cyber2000fb.c b/drivers/video/cyber2000fb.c
index c589d23e7f914e..a9300f930ef2a3 100644
--- a/drivers/video/cyber2000fb.c
+++ b/drivers/video/cyber2000fb.c
@@ -1512,7 +1512,7 @@ static int cyberpro_pci_enable_mmio(struct cfb_info *cfb)
 	 * I/O cycles storing into a reserved memory space at
 	 * physical address 0x3000000
 	 */
-	unsigned char *iop;
+	unsigned char __iomem *iop;
 
 	iop = ioremap(0x3000000, 0x5000);
 	if (iop == NULL) {
@@ -1526,7 +1526,7 @@ static int cyberpro_pci_enable_mmio(struct cfb_info *cfb)
 	writeb(EXT_BIU_MISC, iop + 0x3ce);
 	writeb(EXT_BIU_MISC_LIN_ENABLE, iop + 0x3cf);
 
-	iounmap((void *)iop);
+	iounmap(iop);
 #else
 	/*
 	 * Most other machine types are "normal", so
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index 6240aedb41543f..10dfdf0352644d 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -722,14 +722,30 @@ static void try_to_load(int fb)
 int
 fb_pan_display(struct fb_info *info, struct fb_var_screeninfo *var)
 {
+	struct fb_fix_screeninfo *fix = &info->fix;
         int xoffset = var->xoffset;
         int yoffset = var->yoffset;
-        int err;
+        int err = 0, yres = info->var.yres;
+
+	if (var->yoffset > 0) {
+		if (var->vmode & FB_VMODE_YWRAP) {
+			if (!fix->ywrapstep || (var->yoffset % fix->ywrapstep))
+				err = -EINVAL;
+			else
+				yres = 0;
+		} else if (!fix->ypanstep || (var->yoffset % fix->ypanstep))
+			err = -EINVAL;
+	}
+
+	if (var->xoffset > 0 && (!fix->xpanstep ||
+				 (var->xoffset % fix->xpanstep)))
+		err = -EINVAL;
+
+        if (err || !info->fbops->fb_pan_display || xoffset < 0 ||
+	    yoffset < 0 || var->yoffset + yres > info->var.yres_virtual ||
+	    var->xoffset + info->var.xres > info->var.xres_virtual)
+		return -EINVAL;
 
-        if (xoffset < 0 || yoffset < 0 || !info->fbops->fb_pan_display ||
-            xoffset + info->var.xres > info->var.xres_virtual ||
-            yoffset + info->var.yres > info->var.yres_virtual)
-                return -EINVAL;
 	if ((err = info->fbops->fb_pan_display(var, info)))
 		return err;
         info->var.xoffset = var->xoffset;
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 7b4cd250bec8fd..9fc10b9e6f5781 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -1396,7 +1396,8 @@ static struct platform_driver pxafb_driver = {
 int __devinit pxafb_setup(char *options)
 {
 # ifdef CONFIG_FB_PXA_PARAMETERS
-	strlcpy(g_options, options, sizeof(g_options));
+	if (options)
+		strlcpy(g_options, options, sizeof(g_options));
 # endif
 	return 0;
 }
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 0a044ad98885e1..a5e3a0ddbe53a0 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -32,6 +32,7 @@ void reiserfs_delete_inode(struct inode *inode)
 	    JOURNAL_PER_BALANCE_CNT * 2 +
 	    2 * REISERFS_QUOTA_INIT_BLOCKS(inode->i_sb);
 	struct reiserfs_transaction_handle th;
+	int err;
 
 	truncate_inode_pages(&inode->i_data, 0);
 
@@ -49,15 +50,13 @@ void reiserfs_delete_inode(struct inode *inode)
 		}
 		reiserfs_update_inode_transaction(inode);
 
-		if (reiserfs_delete_object(&th, inode)) {
-			up(&inode->i_sem);
-			goto out;
-		}
+		err = reiserfs_delete_object(&th, inode);
 
 		/* Do quota update inside a transaction for journaled quotas. We must do that
 		 * after delete_object so that quota updates go into the same transaction as
 		 * stat data deletion */
-		DQUOT_FREE_INODE(inode);
+		if (!err) 
+			DQUOT_FREE_INODE(inode);
 
 		if (journal_end(&th, inode->i_sb, jbegin_count)) {
 			up(&inode->i_sem);
@@ -66,6 +65,12 @@ void reiserfs_delete_inode(struct inode *inode)
 
 		up(&inode->i_sem);
 
+		/* check return value from reiserfs_delete_object after
+		 * ending the transaction
+		 */
+		if (err)
+		    goto out;
+
 		/* all items of file are deleted, so we can remove "save" link */
 		remove_save_link(inode, 0 /* not truncate */ );	/* we can't do anything
 								 * about an error here */
@@ -2099,6 +2104,7 @@ int reiserfs_truncate_file(struct inode *p_s_inode, int update_timestamps)
 	struct page *page = NULL;
 	int error;
 	struct buffer_head *bh = NULL;
+	int err2;
 
 	reiserfs_write_lock(p_s_inode->i_sb);
 
@@ -2136,14 +2142,18 @@ int reiserfs_truncate_file(struct inode *p_s_inode, int update_timestamps)
 		   transaction of truncating gets committed - on reboot the file
 		   either appears truncated properly or not truncated at all */
 		add_save_link(&th, p_s_inode, 1);
-	error = reiserfs_do_truncate(&th, p_s_inode, page, update_timestamps);
-	if (error)
-		goto out;
+	err2 = reiserfs_do_truncate(&th, p_s_inode, page, update_timestamps);
 	error =
 	    journal_end(&th, p_s_inode->i_sb, JOURNAL_PER_BALANCE_CNT * 2 + 1);
 	if (error)
 		goto out;
 
+	/* check reiserfs_do_truncate after ending the transaction */
+	if (err2) {
+		error = err2;
+  		goto out;
+	}
+	
 	if (update_timestamps) {
 		error = remove_save_link(p_s_inode, 1 /* truncate */ );
 		if (error)
diff --git a/fs/reiserfs/journal.c b/fs/reiserfs/journal.c
index 68b7b78638ff0e..3f17ef844fb65a 100644
--- a/fs/reiserfs/journal.c
+++ b/fs/reiserfs/journal.c
@@ -1039,6 +1039,10 @@ static int flush_commit_list(struct super_block *s,
 	}
 	atomic_dec(&journal->j_async_throttle);
 
+	/* We're skipping the commit if there's an error */
+	if (retval || reiserfs_is_journal_aborted(journal))
+		barrier = 0;
+
 	/* wait on everything written so far before writing the commit
 	 * if we are in barrier mode, send the commit down now
 	 */
@@ -1077,10 +1081,16 @@ static int flush_commit_list(struct super_block *s,
 	BUG_ON(atomic_read(&(jl->j_commit_left)) != 1);
 
 	if (!barrier) {
-		if (buffer_dirty(jl->j_commit_bh))
-			BUG();
-		mark_buffer_dirty(jl->j_commit_bh);
-		sync_dirty_buffer(jl->j_commit_bh);
+		/* If there was a write error in the journal - we can't commit
+		 * this transaction - it will be invalid and, if successful,
+		 * will just end up propogating the write error out to
+		 * the file system. */
+		if (likely(!retval && !reiserfs_is_journal_aborted (journal))) {
+			if (buffer_dirty(jl->j_commit_bh))
+				BUG();
+			mark_buffer_dirty(jl->j_commit_bh) ;
+			sync_dirty_buffer(jl->j_commit_bh) ;
+		}
 	} else
 		wait_on_buffer(jl->j_commit_bh);
 
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index 1aea42d71a6424..5328a2937127de 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -78,7 +78,7 @@ STATIC int	xfs_qm_dqhashlock_nowait(xfs_dquot_t *);
 
 STATIC int	xfs_qm_init_quotainos(xfs_mount_t *);
 STATIC int	xfs_qm_init_quotainfo(xfs_mount_t *);
-STATIC int	xfs_qm_shake(int, unsigned int);
+STATIC int	xfs_qm_shake(int, gfp_t);
 
 #ifdef DEBUG
 extern mutex_t	qcheck_lock;
@@ -2197,7 +2197,7 @@ xfs_qm_shake_freelist(
  */
 /* ARGSUSED */
 STATIC int
-xfs_qm_shake(int nr_to_scan, unsigned int gfp_mask)
+xfs_qm_shake(int nr_to_scan, gfp_t gfp_mask)
 {
 	int	ndqused, nfree, n;
 
diff --git a/include/asm-arm/elf.h b/include/asm-arm/elf.h
index 7da97a937548af..2d44b42d184787 100644
--- a/include/asm-arm/elf.h
+++ b/include/asm-arm/elf.h
@@ -22,6 +22,8 @@ typedef unsigned long elf_freg_t[3];
 #define R_ARM_NONE	0
 #define R_ARM_PC24	1
 #define R_ARM_ABS32	2
+#define R_ARM_CALL	28
+#define R_ARM_JUMP24	29
 
 #define ELF_NGREG (sizeof (struct pt_regs) / sizeof(elf_greg_t))
 typedef elf_greg_t elf_gregset_t[ELF_NGREG];
diff --git a/include/asm-ia64/sal.h b/include/asm-ia64/sal.h
index 29df88bdd2bce7..313cad0628d07a 100644
--- a/include/asm-ia64/sal.h
+++ b/include/asm-ia64/sal.h
@@ -320,7 +320,8 @@ typedef struct sal_log_timestamp {
 typedef struct sal_log_record_header {
 	u64 id;				/* Unique monotonically increasing ID */
 	sal_log_revision_t revision;	/* Major and Minor revision of header */
-	u16 severity;			/* Error Severity */
+	u8 severity;			/* Error Severity */
+	u8 validation_bits;		/* 0: platform_guid, 1: !timestamp */
 	u32 len;			/* Length of this error log in bytes */
 	sal_log_timestamp_t timestamp;	/* Timestamp */
 	efi_guid_t platform_guid;	/* Unique OEM Platform ID */
diff --git a/include/asm-mips/mach-au1x00/au1xxx_ide.h b/include/asm-mips/mach-au1x00/au1xxx_ide.h
index 33d275c3b84cae..e867b4ef96d1f0 100644
--- a/include/asm-mips/mach-au1x00/au1xxx_ide.h
+++ b/include/asm-mips/mach-au1x00/au1xxx_ide.h
@@ -74,9 +74,6 @@ typedef struct
         u8                      white_list, black_list;
         struct dbdma_cmd        *dma_table_cpu;
         dma_addr_t              dma_table_dma;
-        struct scatterlist      *sg_table;
-        int                     sg_nents;
-        int                     sg_dma_direction;
 #endif
         struct device           *dev;
 	int			irq;
@@ -87,11 +84,6 @@ typedef struct
 } _auide_hwif;
 
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-struct drive_list_entry {
-        const char * id_model;
-        const char * id_firmware;
-};
-
 /* HD white list */
 static const struct drive_list_entry dma_white_list [] = {
 /*
@@ -167,13 +159,9 @@ int __init auide_probe(void);
  * Multi-Word DMA + DbDMA functions
  */
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-
-        static int in_drive_list(struct hd_driveid *id,
-                                 const struct drive_list_entry *drive_table);
         static int auide_build_sglist(ide_drive_t *drive,  struct request *rq);
         static int auide_build_dmatable(ide_drive_t *drive);
         static int auide_dma_end(ide_drive_t *drive);
-        static void auide_dma_start(ide_drive_t *drive );
         ide_startstop_t auide_dma_intr (ide_drive_t *drive);
         static void auide_dma_exec_cmd(ide_drive_t *drive, u8 command);
         static int auide_dma_setup(ide_drive_t *drive);
@@ -188,8 +176,6 @@ int __init auide_probe(void);
         static void auide_ddma_rx_callback(int irq, void *param,
                                            struct pt_regs *regs);
         static int auide_dma_off_quietly(ide_drive_t *drive);
-        static int auide_dma_timeout(ide_drive_t *drive);
-
 #endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
 
 /*******************************************************************************
@@ -299,3 +285,11 @@ int __init auide_probe(void);
 #define SBC_IDE_MDMA2_TPM     (0x00<<6)
 #define SBC_IDE_MDMA2_TA      (0x12<<0)
 
+#define SBC_IDE_TIMING(mode) \
+         SBC_IDE_##mode##_TWCS | \
+         SBC_IDE_##mode##_TCSH | \
+         SBC_IDE_##mode##_TCSOFF | \
+         SBC_IDE_##mode##_TWP | \
+         SBC_IDE_##mode##_TCSW | \
+         SBC_IDE_##mode##_TPM | \
+         SBC_IDE_##mode##_TA
diff --git a/include/asm-sparc/memreg.h b/include/asm-sparc/memreg.h
index c0498d3baf931f..5fb95c828da676 100644
--- a/include/asm-sparc/memreg.h
+++ b/include/asm-sparc/memreg.h
@@ -36,7 +36,7 @@
 
 /* Memory parity error register with associated bit constants. */
 #ifndef __ASSEMBLY__
-extern __volatile__ unsigned long *sun4c_memerr_reg;
+extern __volatile__ unsigned long __iomem *sun4c_memerr_reg;
 #endif
 
 #define	SUN4C_MPE_ERROR	0x80	/* Parity error detected. (ro) */
diff --git a/include/asm-sparc/pcic.h b/include/asm-sparc/pcic.h
index 301ae8022dddc6..dedea14d87c8b0 100644
--- a/include/asm-sparc/pcic.h
+++ b/include/asm-sparc/pcic.h
@@ -16,10 +16,10 @@
 #include <asm/pbm.h>
 
 struct linux_pcic {
-        void * __iomem          pcic_regs;
+        void __iomem            *pcic_regs;
         unsigned long           pcic_io;
-        void * __iomem          pcic_config_space_addr;
-        void * __iomem          pcic_config_space_data;
+        void __iomem            *pcic_config_space_addr;
+        void __iomem            *pcic_config_space_data;
 	struct resource		pcic_res_regs;
 	struct resource		pcic_res_io;
 	struct resource		pcic_res_cfg_addr;
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 04a58f33ec53b5..a973be2cfe61ab 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -617,6 +617,12 @@ struct fb_ops {
 
 	/* perform fb specific mmap */
 	int (*fb_mmap)(struct fb_info *info, struct file *file, struct vm_area_struct *vma);
+
+	/* save current hardware state */
+	void (*fb_save_state)(struct fb_info *info);
+
+	/* restore saved state */
+	void (*fb_restore_state)(struct fb_info *info);
 };
 
 #ifdef CONFIG_FB_TILEBLITTING
@@ -726,6 +732,18 @@ struct fb_tile_ops {
 						  from userspace */
 #define FBINFO_MISC_TILEBLITTING       0x20000 /* use tile blitting */
 
+/* A driver may set this flag to indicate that it does want a set_par to be
+ * called every time when fbcon_switch is executed. The advantage is that with
+ * this flag set you can really be shure that set_par is always called before
+ * any of the functions dependant on the correct hardware state or altering
+ * that state, even if you are using some broken X releases. The disadvantage
+ * is that it introduces unwanted delays to every console switch if set_par
+ * is slow. It is a good idea to try this flag in the drivers initialization
+ * code whenever there is a bug report related to switching between X and the
+ * framebuffer console.
+ */
+#define FBINFO_MISC_ALWAYS_SETPAR   0x40000
+
 struct fb_info {
 	int node;
 	int flags;
@@ -817,6 +835,18 @@ struct fb_info {
 
 #endif
 
+#if defined (__BIG_ENDIAN)
+#define FB_LEFT_POS(bpp)          (32 - bpp)
+#define FB_SHIFT_HIGH(val, bits)  ((val) >> (bits))
+#define FB_SHIFT_LOW(val, bits)   ((val) << (bits))
+#define FB_BIT_NR(b)              (7 - (b))
+#else
+#define FB_LEFT_POS(bpp)          (0)
+#define FB_SHIFT_HIGH(val, bits)  ((val) << (bits))
+#define FB_SHIFT_LOW(val, bits)   ((val) >> (bits))
+#define FB_BIT_NR(b)              (b)
+#endif
+
     /*
      *  `Generic' versions of the frame buffer device operations
      */
diff --git a/include/linux/ide.h b/include/linux/ide.h
index a39c3c59789daf..7b6a6a58e465e9 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -23,17 +23,6 @@
 #include <asm/io.h>
 #include <asm/semaphore.h>
 
-/*
- * This is the multiple IDE interface driver, as evolved from hd.c.
- * It supports up to four IDE interfaces, on one or more IRQs (usually 14 & 15).
- * There can be up to two drives per interface, as per the ATA-2 spec.
- *
- * Primary i/f:    ide0: major=3;  (hda)         minor=0; (hdb)         minor=64
- * Secondary i/f:  ide1: major=22; (hdc or hd1a) minor=0; (hdd or hd1b) minor=64
- * Tertiary i/f:   ide2: major=33; (hde)         minor=0; (hdf)         minor=64
- * Quaternary i/f: ide3: major=34; (hdg)         minor=0; (hdh)         minor=64
- */
-
 /******************************************************************************
  * IDE driver configuration options (play with these as desired):
  *
@@ -193,11 +182,6 @@ typedef unsigned char	byte;	/* used everywhere */
 #define WAIT_CMD	(10*HZ)	/* 10sec  - maximum wait for an IRQ to happen */
 #define WAIT_MIN_SLEEP	(2*HZ/100)	/* 20msec - minimum sleep time */
 
-#define HOST(hwif,chipset)					\
-{								\
-	return ((hwif)->chipset == chipset) ? 1 : 0;		\
-}
-
 /*
  * Check for an interrupt and acknowledge the interrupt status
  */
@@ -391,45 +375,6 @@ typedef union {
 } ata_nsector_t, ata_data_t, atapi_bcount_t, ata_index_t;
 
 /*
- * ATA-IDE Error Register
- *
- * mark		: Bad address mark
- * tzero	: Couldn't find track 0
- * abrt		: Aborted Command
- * mcr		: Media Change Request
- * id		: ID field not found
- * mce		: Media Change Event
- * ecc		: Uncorrectable ECC error
- * bdd		: dual meaing
- */
-typedef union {
-	unsigned all			:8;
-	struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-		unsigned mark		:1;
-		unsigned tzero		:1;
-		unsigned abrt		:1;
-		unsigned mcr		:1;
-		unsigned id		:1;
-		unsigned mce		:1;
-		unsigned ecc		:1;
-		unsigned bdd		:1;
-#elif defined(__BIG_ENDIAN_BITFIELD)
-		unsigned bdd		:1;
-		unsigned ecc		:1;
-		unsigned mce		:1;
-		unsigned id		:1;
-		unsigned mcr		:1;
-		unsigned abrt		:1;
-		unsigned tzero		:1;
-		unsigned mark		:1;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-	} b;
-} ata_error_t;
-
-/*
  * ATA-IDE Select Register, aka Device-Head
  *
  * head		: always zeros here
@@ -504,39 +449,6 @@ typedef union {
 } ata_status_t, atapi_status_t;
 
 /*
- * ATA-IDE Control Register
- *
- * bit0		: Should be set to zero
- * nIEN		: device INTRQ to host
- * SRST		: host soft reset bit
- * bit3		: ATA-2 thingy, Should be set to 1
- * reserved456	: Reserved
- * HOB		: 48-bit address ordering, High Ordered Bit
- */
-typedef union {
-	unsigned all			: 8;
-	struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-		unsigned bit0		: 1;
-		unsigned nIEN		: 1;
-		unsigned SRST		: 1;
-		unsigned bit3		: 1;
-		unsigned reserved456	: 3;
-		unsigned HOB		: 1;
-#elif defined(__BIG_ENDIAN_BITFIELD)
-		unsigned HOB		: 1;
-		unsigned reserved456	: 3;
-		unsigned bit3		: 1;
-		unsigned SRST		: 1;
-		unsigned nIEN		: 1;
-		unsigned bit0		: 1;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-	} b;
-} ata_control_t;
-
-/*
  * ATAPI Feature Register
  *
  * dma		: Using DMA or PIO
@@ -618,39 +530,6 @@ typedef union {
 } atapi_error_t;
 
 /*
- * ATAPI floppy Drive Select Register
- *
- * sam_lun	: Logical unit number
- * reserved3	: Reserved
- * drv		: The responding drive will be drive 0 (0) or drive 1 (1)
- * one5		: Should be set to 1
- * reserved6	: Reserved
- * one7		: Should be set to 1
- */
-typedef union {
-	unsigned all			:8;
-	struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-		unsigned sam_lun	:3;
-		unsigned reserved3	:1;
-		unsigned drv		:1;
-		unsigned one5		:1;
-		unsigned reserved6	:1;
-		unsigned one7		:1;
-#elif defined(__BIG_ENDIAN_BITFIELD)
-		unsigned one7		:1;
-		unsigned reserved6	:1;
-		unsigned one5		:1;
-		unsigned drv		:1;
-		unsigned reserved3	:1;
-		unsigned sam_lun	:3;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-	} b;
-} atapi_select_t;
-
-/*
  * Status returned from various ide_ functions
  */
 typedef enum {
@@ -1101,10 +980,7 @@ typedef struct ide_driver_s {
 	int		(*end_request)(ide_drive_t *, int, int);
 	ide_startstop_t	(*error)(ide_drive_t *, struct request *rq, u8, u8);
 	ide_startstop_t	(*abort)(ide_drive_t *, struct request *rq);
-	int		(*ioctl)(ide_drive_t *, struct inode *, struct file *, unsigned int, unsigned long);
 	ide_proc_entry_t	*proc;
-	void		(*ata_prebuilder)(ide_drive_t *);
-	void		(*atapi_prebuilder)(ide_drive_t *);
 	struct device_driver	gen_driver;
 } ide_driver_t;
 
@@ -1298,7 +1174,6 @@ extern int ide_spin_wait_hwgroup(ide_drive_t *);
 extern void ide_timer_expiry(unsigned long);
 extern irqreturn_t ide_intr(int irq, void *dev_id, struct pt_regs *regs);
 extern void do_ide_request(request_queue_t *);
-extern void ide_init_subdrivers(void);
 
 void ide_init_disk(struct gendisk *, ide_drive_t *);
 
@@ -1371,6 +1246,12 @@ void ide_init_sg_cmd(ide_drive_t *, struct request *);
 #define GOOD_DMA_DRIVE		1
 
 #ifdef CONFIG_BLK_DEV_IDEDMA
+struct drive_list_entry {
+	const char *id_model;
+	const char *id_firmware;
+};
+
+int ide_in_drive_list(struct hd_driveid *, const struct drive_list_entry *);
 int __ide_dma_bad_drive(ide_drive_t *);
 int __ide_dma_good_drive(ide_drive_t *);
 int ide_use_dma(ide_drive_t *);
diff --git a/include/linux/libata.h b/include/linux/libata.h
index f2dbb684ce9e4f..41ea7dbc175573 100644
--- a/include/linux/libata.h
+++ b/include/linux/libata.h
@@ -122,6 +122,7 @@ enum {
 	ATA_FLAG_NOINTR		= (1 << 9), /* FIXME: Remove this once
 					     * proper HSM is in place. */
 	ATA_FLAG_DEBUGMSG	= (1 << 10),
+	ATA_FLAG_NO_ATAPI	= (1 << 11), /* No ATAPI support */
 
 	ATA_QCFLAG_ACTIVE	= (1 << 1), /* cmd not yet ack'd to scsi lyer */
 	ATA_QCFLAG_SG		= (1 << 3), /* have s/g table? */
diff --git a/include/linux/mm.h b/include/linux/mm.h
index e5677f45674273..a06a84d347fb5c 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -163,6 +163,7 @@ extern unsigned int kobjsize(const void *objp);
 #define VM_HUGETLB	0x00400000	/* Huge TLB Page VM */
 #define VM_NONLINEAR	0x00800000	/* Is non-linear (remap_file_pages) */
 #define VM_MAPPED_COPY	0x01000000	/* T if mapped copy of data (nommu mmap) */
+#define VM_INSERTPAGE	0x02000000	/* The vma has had "vm_insert_page()" done on it */
 
 #ifndef VM_STACK_DEFAULT_FLAGS		/* arch can override this */
 #define VM_STACK_DEFAULT_FLAGS VM_DATA_DEFAULT_FLAGS
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 1e737e269db99f..4db67b3b05ccd0 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1244,6 +1244,7 @@
 #define PCI_DEVICE_ID_VIA_8378_0	0x3205
 #define PCI_DEVICE_ID_VIA_8783_0	0x3208
 #define PCI_DEVICE_ID_VIA_8237		0x3227
+#define PCI_DEVICE_ID_VIA_8251		0x3287
 #define PCI_DEVICE_ID_VIA_3296_0	0x0296
 #define PCI_DEVICE_ID_VIA_8231		0x8231
 #define PCI_DEVICE_ID_VIA_8231_4	0x8235
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 7529f4388bb46d..20da282d4abbb7 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -151,5 +151,6 @@ extern struct scsi_cmnd *scsi_get_command(struct scsi_device *, gfp_t);
 extern void scsi_put_command(struct scsi_cmnd *);
 extern void scsi_io_completion(struct scsi_cmnd *, unsigned int, unsigned int);
 extern void scsi_finish_command(struct scsi_cmnd *cmd);
+extern void scsi_setup_blk_pc_cmnd(struct scsi_cmnd *cmd, int retries);
 
 #endif /* _SCSI_SCSI_CMND_H */
diff --git a/init/Kconfig b/init/Kconfig
index ea097e0a9c0296..6c5dbedc6e96de 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -206,7 +206,7 @@ config HOTPLUG
 	  outside the kernel tree does. Such modules require Y here.
 
 config KOBJECT_UEVENT
-	bool "Kernel Userspace Events"
+	bool "Kernel Userspace Events" if EMBEDDED
 	depends on NET
 	default y
 	help
@@ -256,6 +256,20 @@ config CPUSETS
 
 source "usr/Kconfig"
 
+config CC_OPTIMIZE_FOR_SIZE
+	bool "Optimize for size (Look out for broken compilers!)"
+	default y
+	depends on ARM || H8300 || EXPERIMENTAL
+	depends on !SPARC64
+	help
+	  Enabling this option will pass "-Os" instead of "-O2" to gcc
+	  resulting in a smaller kernel.
+
+	  WARNING: some versions of gcc may generate incorrect code with this
+	  option.  If problems are observed, a gcc upgrade may be needed.
+
+	  If unsure, say N.
+
 menuconfig EMBEDDED
 	bool "Configure standard kernel features (for small systems)"
 	help
@@ -338,18 +352,6 @@ config EPOLL
 	  Disabling this option will cause the kernel to be built without
 	  support for epoll family of system calls.
 
-config CC_OPTIMIZE_FOR_SIZE
-	bool "Optimize for size" if EMBEDDED
-	default y if ARM || H8300
-	help
-	  Enabling this option will pass "-Os" instead of "-O2" to gcc
-	  resulting in a smaller kernel.
-
-	  WARNING: some versions of gcc may generate incorrect code with this
-	  option.  If problems are observed, a gcc upgrade may be needed.
-
-	  If unsure, say N.
-
 config SHMEM
 	bool "Use full shmem filesystem" if EMBEDDED
 	default y
diff --git a/mm/memory.c b/mm/memory.c
index d22f78c8a381a2..d8dde07a36566f 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -574,7 +574,7 @@ int copy_page_range(struct mm_struct *dst_mm, struct mm_struct *src_mm,
 	 * readonly mappings. The tradeoff is that copy_page_range is more
 	 * efficient than faulting.
 	 */
-	if (!(vma->vm_flags & (VM_HUGETLB|VM_NONLINEAR|VM_PFNMAP))) {
+	if (!(vma->vm_flags & (VM_HUGETLB|VM_NONLINEAR|VM_PFNMAP|VM_INSERTPAGE))) {
 		if (!vma->anon_vma)
 			return 0;
 	}
@@ -1228,6 +1228,7 @@ int vm_insert_page(struct vm_area_struct *vma, unsigned long addr, struct page *
 		return -EFAULT;
 	if (!page_count(page))
 		return -EINVAL;
+	vma->vm_flags |= VM_INSERTPAGE;
 	return insert_page(vma->vm_mm, addr, page, vma->vm_page_prot);
 }
 EXPORT_SYMBOL(vm_insert_page);
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 431a64f021c0ed..f6d4af8af8a8f5 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -104,7 +104,7 @@ static void grow_pgdat_span(struct pglist_data *pgdat,
 		pgdat->node_start_pfn = start_pfn;
 
 	if (end_pfn > old_pgdat_end_pfn)
-		pgdat->node_spanned_pages = end_pfn - pgdat->node_spanned_pages;
+		pgdat->node_spanned_pages = end_pfn - pgdat->node_start_pfn;
 }
 
 int online_pages(unsigned long pfn, unsigned long nr_pages)
diff --git a/mm/mmap.c b/mm/mmap.c
index 11ca5927d5ff72..64ba4dbcb7def4 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -611,7 +611,7 @@ again:			remove_next = 1 + (end > next->vm_end);
  * If the vma has a ->close operation then the driver probably needs to release
  * per-vma resources, so we don't attempt to merge those.
  */
-#define VM_SPECIAL (VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_RESERVED)
+#define VM_SPECIAL (VM_IO | VM_DONTCOPY | VM_DONTEXPAND | VM_RESERVED | VM_PFNMAP)
 
 static inline int is_mergeable_vma(struct vm_area_struct *vma,
 			struct file *file, unsigned long vm_flags)
diff --git a/mm/mremap.c b/mm/mremap.c
index b535438c363cfb..ddaeee9a0b69e5 100644
--- a/mm/mremap.c
+++ b/mm/mremap.c
@@ -323,7 +323,7 @@ unsigned long do_mremap(unsigned long addr,
 	/* We can't remap across vm area boundaries */
 	if (old_len > vma->vm_end - addr)
 		goto out;
-	if (vma->vm_flags & VM_DONTEXPAND) {
+	if (vma->vm_flags & (VM_DONTEXPAND | VM_PFNMAP)) {
 		if (new_len > old_len)
 			goto out;
 	}
diff --git a/mm/page_alloc.c b/mm/page_alloc.c
index 3b21a13d841c4c..fe14a8c87fc27d 100644
--- a/mm/page_alloc.c
+++ b/mm/page_alloc.c
@@ -1896,7 +1896,7 @@ static int __devinit pageset_cpuup_callback(struct notifier_block *nfb,
 static struct notifier_block pageset_notifier =
 	{ &pageset_cpuup_callback, NULL, 0 };
 
-void __init setup_per_cpu_pageset()
+void __init setup_per_cpu_pageset(void)
 {
 	int err;
 
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index b7486488967074..f2a8750bbf1d75 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -165,6 +165,9 @@ int vlan_skb_recv(struct sk_buff *skb, struct net_device *dev,
 
 	skb_pull(skb, VLAN_HLEN); /* take off the VLAN header (4 bytes currently) */
 
+	/* Need to correct hardware checksum */
+	skb_postpull_rcsum(skb, vhdr, VLAN_HLEN);
+
 	/* Ok, lets check to make sure the device (dev) we
 	 * came in on is what this VLAN is attached to.
 	 */
diff --git a/net/ieee80211/Kconfig b/net/ieee80211/Kconfig
index 91b16fbf91f0c8..d18ccba3ea9e7f 100644
--- a/net/ieee80211/Kconfig
+++ b/net/ieee80211/Kconfig
@@ -55,7 +55,7 @@ config IEEE80211_CRYPT_CCMP
 
 config IEEE80211_CRYPT_TKIP
 	tristate "IEEE 802.11i TKIP encryption"
-	depends on IEEE80211
+	depends on IEEE80211 && NET_RADIO
 	select CRYPTO
 	select CRYPTO_MICHAEL_MIC
 	---help---
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index a4c347c3b8e3a1..46f9d9cf7a5f41 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -618,7 +618,7 @@ static int ipgre_rcv(struct sk_buff *skb)
 
 		skb->mac.raw = skb->nh.raw;
 		skb->nh.raw = __pskb_pull(skb, offset);
-		skb_postpull_rcsum(skb, skb->mac.raw, offset);
+		skb_postpull_rcsum(skb, skb->h.raw, offset);
 		memset(&(IPCB(skb)->opt), 0, sizeof(struct ip_options));
 		skb->pkt_type = PACKET_HOST;
 #ifdef CONFIG_NET_IPGRE_BROADCAST
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 76ff9f4fe89d72..73a23b4130a57f 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -379,8 +379,8 @@ static struct inet6_dev * ipv6_add_dev(struct net_device *dev)
 		    dev->type == ARPHRD_NONE ||
 		    dev->type == ARPHRD_SIT) {
 			printk(KERN_INFO
-				"Disabled Privacy Extensions on device %p(%s)\n",
-				dev, dev->name);
+			       "%s: Disabled Privacy Extensions\n",
+			       dev->name);
 			ndev->cnf.use_tempaddr = -1;
 		} else {
 			in6_dev_hold(ndev);
diff --git a/net/sched/act_api.c b/net/sched/act_api.c
index 8aebe8f6d271b3..2ce1cb2aa2edba 100644
--- a/net/sched/act_api.c
+++ b/net/sched/act_api.c
@@ -34,7 +34,7 @@
 #include <net/sch_generic.h>
 #include <net/act_api.h>
 
-#if 1 /* control */
+#if 0 /* control */
 #define DPRINTK(format, args...) printk(KERN_DEBUG format, ##args)
 #else
 #define DPRINTK(format, args...)
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index d890dfa8818fb2..1f7f244806b774 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -3425,7 +3425,7 @@ static int sctp_copy_laddrs_to_user_old(struct sock *sk, __u16 port, int max_add
 }
 
 static int sctp_copy_laddrs_to_user(struct sock *sk, __u16 port,
-				    void * __user *to, size_t space_left)
+				    void __user **to, size_t space_left)
 {
 	struct list_head *pos;
 	struct sctp_sockaddr_entry *addr;
diff --git a/sound/oss/au1550_ac97.c b/sound/oss/au1550_ac97.c
index 6b46a8a4b1ccb4..b963c550dae6b5 100644
--- a/sound/oss/au1550_ac97.c
+++ b/sound/oss/au1550_ac97.c
@@ -578,17 +578,15 @@ set_recv_slots(int num_channels)
 	} while ((stat & PSC_AC97STAT_DR) == 0);
 }
 
+/* Hold spinlock for both start_dac() and start_adc() calls */
 static void
 start_dac(struct au1550_state *s)
 {
 	struct dmabuf  *db = &s->dma_dac;
-	unsigned long   flags;
 
 	if (!db->stopped)
 		return;
 
-	spin_lock_irqsave(&s->lock, flags);
-
 	set_xmit_slots(db->num_channels);
 	au_writel(PSC_AC97PCR_TC, PSC_AC97PCR);
 	au_sync();
@@ -598,8 +596,6 @@ start_dac(struct au1550_state *s)
 	au1xxx_dbdma_start(db->dmanr);
 
 	db->stopped = 0;
-
-	spin_unlock_irqrestore(&s->lock, flags);
 }
 
 static void
@@ -718,7 +714,6 @@ prog_dmabuf_dac(struct au1550_state *s)
 }
 
 
-/* hold spinlock for the following */
 static void
 dac_dma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 {
@@ -726,6 +721,8 @@ dac_dma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 	struct dmabuf  *db = &s->dma_dac;
 	u32	ac97c_stat;
 
+	spin_lock(&s->lock);
+
 	ac97c_stat = au_readl(PSC_AC97STAT);
 	if (ac97c_stat & (AC97C_XU | AC97C_XO | AC97C_TE))
 		pr_debug("AC97C status = 0x%08x\n", ac97c_stat);
@@ -747,6 +744,8 @@ dac_dma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 	/* wake up anybody listening */
 	if (waitqueue_active(&db->wait))
 		wake_up(&db->wait);
+
+	spin_unlock(&s->lock);
 }
 
 
@@ -758,6 +757,8 @@ adc_dma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 	u32	obytes;
 	char	*obuf;
 
+	spin_lock(&s->lock);
+
 	/* Pull the buffer from the dma queue.
 	*/
 	au1xxx_dbdma_get_dest(dp->dmanr, (void *)(&obuf), &obytes);
@@ -765,6 +766,7 @@ adc_dma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 	if ((dp->count + obytes) > dp->dmasize) {
 		/* Overrun. Stop ADC and log the error
 		*/
+		spin_unlock(&s->lock);
 		stop_adc(s);
 		dp->error++;
 		err("adc overrun");
@@ -787,6 +789,7 @@ adc_dma_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 	if (waitqueue_active(&dp->wait))
 		wake_up(&dp->wait);
 
+	spin_unlock(&s->lock);
 }
 
 static loff_t
@@ -1048,9 +1051,9 @@ au1550_read(struct file *file, char *buffer, size_t count, loff_t *ppos)
 		/* wait for samples in ADC dma buffer
 		*/
 		do {
+			spin_lock_irqsave(&s->lock, flags);
 			if (db->stopped)
 				start_adc(s);
-			spin_lock_irqsave(&s->lock, flags);
 			avail = db->count;
 			if (avail <= 0)
 				__set_current_state(TASK_INTERRUPTIBLE);
@@ -1570,15 +1573,19 @@ au1550_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
 		if (get_user(val, (int *) arg))
 			return -EFAULT;
 		if (file->f_mode & FMODE_READ) {
-			if (val & PCM_ENABLE_INPUT)
+			if (val & PCM_ENABLE_INPUT) {
+				spin_lock_irqsave(&s->lock, flags);
 				start_adc(s);
-			else
+				spin_unlock_irqrestore(&s->lock, flags);
+			} else
 				stop_adc(s);
 		}
 		if (file->f_mode & FMODE_WRITE) {
-			if (val & PCM_ENABLE_OUTPUT)
+			if (val & PCM_ENABLE_OUTPUT) {
+				spin_lock_irqsave(&s->lock, flags);
 				start_dac(s);
-			else
+				spin_unlock_irqrestore(&s->lock, flags);
+			} else
 				stop_dac(s);
 		}
 		return 0;