Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6:
  [SPARC]: Add iomap interfaces.
  [OPENPROM]: Rewrite driver to use in-kernel device tree.
  [OPENPROMFS]: Rewrite using in-kernel device tree and seq_file.
  [SPARC]: Add unique device_node IDs and a ".node" property.
  [SPARC]: Add of_set_property() interface.
  [SPARC64]: Export auxio_register to modules.
  [SPARC64]: Add missing interfaces to dma-mapping.h
  [SPARC64]: Export _PAGE_IE to modules.
  [SPARC64]: Allow floppy driver to build modular.
  [SPARC]: Export x_bus_type to modules.
  [RIOWATCHDOG]: Fix the build.
  [CPWATCHDOG]: Fix the build.
  [PARPORT] sunbpp: Fix typo.
  [MTD] sun_uflash: Port to new EBUS device layer.

9 files changed, 235 insertions, 98 deletions

diff --git a/arch/sparc/kernel/of_device.c b/arch/sparc/kernel/of_device.c
index 001b8673b4bd0..80a8094787818 100644
--- a/arch/sparc/kernel/of_device.c
+++ b/arch/sparc/kernel/of_device.c
@@ -138,6 +138,7 @@ struct bus_type ebus_bus_type = {
        .suspend	= of_device_suspend,
        .resume	= of_device_resume,
 };
+EXPORT_SYMBOL(ebus_bus_type);
 #endif
 
 #ifdef CONFIG_SBUS
@@ -149,6 +150,7 @@ struct bus_type sbus_bus_type = {
        .suspend	= of_device_suspend,
        .resume	= of_device_resume,
 };
+EXPORT_SYMBOL(sbus_bus_type);
 #endif
 
 static int __init of_bus_driver_init(void)
diff --git a/arch/sparc/kernel/prom.c b/arch/sparc/kernel/prom.c
index 63b2b9bd778ec..946ce6d15819a 100644
--- a/arch/sparc/kernel/prom.c
+++ b/arch/sparc/kernel/prom.c
@@ -27,6 +27,11 @@
 
 static struct device_node *allnodes;
 
+/* use when traversing tree through the allnext, child, sibling,
+ * or parent members of struct device_node.
+ */
+static DEFINE_RWLOCK(devtree_lock);
+
 int of_device_is_compatible(struct device_node *device, const char *compat)
 {
 	const char* cp;
@@ -185,6 +190,54 @@ int of_getintprop_default(struct device_node *np, const char *name, int def)
 }
 EXPORT_SYMBOL(of_getintprop_default);
 
+int of_set_property(struct device_node *dp, const char *name, void *val, int len)
+{
+	struct property **prevp;
+	void *new_val;
+	int err;
+
+	new_val = kmalloc(len, GFP_KERNEL);
+	if (!new_val)
+		return -ENOMEM;
+
+	memcpy(new_val, val, len);
+
+	err = -ENODEV;
+
+	write_lock(&devtree_lock);
+	prevp = &dp->properties;
+	while (*prevp) {
+		struct property *prop = *prevp;
+
+		if (!strcmp(prop->name, name)) {
+			void *old_val = prop->value;
+			int ret;
+
+			ret = prom_setprop(dp->node, name, val, len);
+			err = -EINVAL;
+			if (ret >= 0) {
+				prop->value = new_val;
+				prop->length = len;
+
+				if (OF_IS_DYNAMIC(prop))
+					kfree(old_val);
+
+				OF_MARK_DYNAMIC(prop);
+
+				err = 0;
+			}
+			break;
+		}
+		prevp = &(*prevp)->next;
+	}
+	write_unlock(&devtree_lock);
+
+	/* XXX Upate procfs if necessary... */
+
+	return err;
+}
+EXPORT_SYMBOL(of_set_property);
+
 static unsigned int prom_early_allocated;
 
 static void * __init prom_early_alloc(unsigned long size)
@@ -354,7 +407,9 @@ static char * __init build_full_name(struct device_node *dp)
 	return n;
 }
 
-static struct property * __init build_one_prop(phandle node, char *prev)
+static unsigned int unique_id;
+
+static struct property * __init build_one_prop(phandle node, char *prev, char *special_name, void *special_val, int special_len)
 {
 	static struct property *tmp = NULL;
 	struct property *p;
@@ -364,25 +419,34 @@ static struct property * __init build_one_prop(phandle node, char *prev)
 		p = tmp;
 		memset(p, 0, sizeof(*p) + 32);
 		tmp = NULL;
-	} else
+	} else {
 		p = prom_early_alloc(sizeof(struct property) + 32);
+		p->unique_id = unique_id++;
+	}
 
 	p->name = (char *) (p + 1);
-	if (prev == NULL) {
-		prom_firstprop(node, p->name);
+	if (special_name) {
+		p->length = special_len;
+		p->value = prom_early_alloc(special_len);
+		memcpy(p->value, special_val, special_len);
 	} else {
-		prom_nextprop(node, prev, p->name);
-	}
-	if (strlen(p->name) == 0) {
-		tmp = p;
-		return NULL;
-	}
-	p->length = prom_getproplen(node, p->name);
-	if (p->length <= 0) {
-		p->length = 0;
-	} else {
-		p->value = prom_early_alloc(p->length);
-		len = prom_getproperty(node, p->name, p->value, p->length);
+		if (prev == NULL) {
+			prom_firstprop(node, p->name);
+		} else {
+			prom_nextprop(node, prev, p->name);
+		}
+		if (strlen(p->name) == 0) {
+			tmp = p;
+			return NULL;
+		}
+		p->length = prom_getproplen(node, p->name);
+		if (p->length <= 0) {
+			p->length = 0;
+		} else {
+			p->value = prom_early_alloc(p->length + 1);
+			prom_getproperty(node, p->name, p->value, p->length);
+			((unsigned char *)p->value)[p->length] = '\0';
+		}
 	}
 	return p;
 }
@@ -391,9 +455,14 @@ static struct property * __init build_prop_list(phandle node)
 {
 	struct property *head, *tail;
 
-	head = tail = build_one_prop(node, NULL);
+	head = tail = build_one_prop(node, NULL,
+				     ".node", &node, sizeof(node));
+
+	tail->next = build_one_prop(node, NULL, NULL, NULL, 0);
+	tail = tail->next;
 	while(tail) {
-		tail->next = build_one_prop(node, tail->name);
+		tail->next = build_one_prop(node, tail->name,
+					    NULL, NULL, 0);
 		tail = tail->next;
 	}
 
@@ -422,6 +491,7 @@ static struct device_node * __init create_node(phandle node)
 		return NULL;
 
 	dp = prom_early_alloc(sizeof(*dp));
+	dp->unique_id = unique_id++;
 
 	kref_init(&dp->kref);
 
diff --git a/arch/sparc/lib/Makefile b/arch/sparc/lib/Makefile
index fa50069460621..5db7e1d85385e 100644
--- a/arch/sparc/lib/Makefile
+++ b/arch/sparc/lib/Makefile
@@ -9,3 +9,5 @@ lib-y := mul.o rem.o sdiv.o udiv.o umul.o urem.o ashrdi3.o memcpy.o memset.o \
 	 strncpy_from_user.o divdi3.o udivdi3.o strlen_user.o \
 	 copy_user.o locks.o atomic.o atomic32.o bitops.o \
 	 lshrdi3.o ashldi3.o rwsem.o muldi3.o bitext.o
+
+obj-y += iomap.o
diff --git a/arch/sparc/lib/iomap.c b/arch/sparc/lib/iomap.c
new file mode 100644
index 0000000000000..54501c1ca785c
--- /dev/null
+++ b/arch/sparc/lib/iomap.c
@@ -0,0 +1,48 @@
+/*
+ * Implement the sparc iomap interfaces
+ */
+#include <linux/pci.h>
+#include <linux/module.h>
+#include <asm/io.h>
+
+/* Create a virtual mapping cookie for an IO port range */
+void __iomem *ioport_map(unsigned long port, unsigned int nr)
+{
+	return (void __iomem *) (unsigned long) port;
+}
+
+void ioport_unmap(void __iomem *addr)
+{
+	/* Nothing to do */
+}
+EXPORT_SYMBOL(ioport_map);
+EXPORT_SYMBOL(ioport_unmap);
+
+/* Create a virtual mapping cookie for a PCI BAR (memory or IO) */
+void __iomem *pci_iomap(struct pci_dev *dev, int bar, unsigned long maxlen)
+{
+	unsigned long start = pci_resource_start(dev, bar);
+	unsigned long len = pci_resource_len(dev, bar);
+	unsigned long flags = pci_resource_flags(dev, bar);
+
+	if (!len || !start)
+		return NULL;
+	if (maxlen && len > maxlen)
+		len = maxlen;
+	if (flags & IORESOURCE_IO)
+		return ioport_map(start, len);
+	if (flags & IORESOURCE_MEM) {
+		if (flags & IORESOURCE_CACHEABLE)
+			return ioremap(start, len);
+		return ioremap_nocache(start, len);
+	}
+	/* What? */
+	return NULL;
+}
+
+void pci_iounmap(struct pci_dev *dev, void __iomem * addr)
+{
+	/* nothing to do */
+}
+EXPORT_SYMBOL(pci_iomap);
+EXPORT_SYMBOL(pci_iounmap);
diff --git a/arch/sparc64/kernel/auxio.c b/arch/sparc64/kernel/auxio.c
index 2c42894b188fb..c2c69c167d182 100644
--- a/arch/sparc64/kernel/auxio.c
+++ b/arch/sparc64/kernel/auxio.c
@@ -6,6 +6,7 @@
  */
 
 #include <linux/config.h>
+#include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
@@ -16,8 +17,8 @@
 #include <asm/ebus.h>
 #include <asm/auxio.h>
 
-/* This cannot be static, as it is referenced in irq.c */
 void __iomem *auxio_register = NULL;
+EXPORT_SYMBOL(auxio_register);
 
 enum auxio_type {
 	AUXIO_TYPE_NODEV,
diff --git a/arch/sparc64/kernel/irq.c b/arch/sparc64/kernel/irq.c
index 31e0fbb0d82c2..cc89b06d01785 100644
--- a/arch/sparc64/kernel/irq.c
+++ b/arch/sparc64/kernel/irq.c
@@ -563,67 +563,6 @@ void handler_irq(int irq, struct pt_regs *regs)
 	irq_exit();
 }
 
-#ifdef CONFIG_BLK_DEV_FD
-extern irqreturn_t floppy_interrupt(int, void *, struct pt_regs *);
-
-/* XXX No easy way to include asm/floppy.h XXX */
-extern unsigned char *pdma_vaddr;
-extern unsigned long pdma_size;
-extern volatile int doing_pdma;
-extern unsigned long fdc_status;
-
-irqreturn_t sparc_floppy_irq(int irq, void *dev_cookie, struct pt_regs *regs)
-{
-	if (likely(doing_pdma)) {
-		void __iomem *stat = (void __iomem *) fdc_status;
-		unsigned char *vaddr = pdma_vaddr;
-		unsigned long size = pdma_size;
-		u8 val;
-
-		while (size) {
-			val = readb(stat);
-			if (unlikely(!(val & 0x80))) {
-				pdma_vaddr = vaddr;
-				pdma_size = size;
-				return IRQ_HANDLED;
-			}
-			if (unlikely(!(val & 0x20))) {
-				pdma_vaddr = vaddr;
-				pdma_size = size;
-				doing_pdma = 0;
-				goto main_interrupt;
-			}
-			if (val & 0x40) {
-				/* read */
-				*vaddr++ = readb(stat + 1);
-			} else {
-				unsigned char data = *vaddr++;
-
-				/* write */
-				writeb(data, stat + 1);
-			}
-			size--;
-		}
-
-		pdma_vaddr = vaddr;
-		pdma_size = size;
-
-		/* Send Terminal Count pulse to floppy controller. */
-		val = readb(auxio_register);
-		val |= AUXIO_AUX1_FTCNT;
-		writeb(val, auxio_register);
-		val &= ~AUXIO_AUX1_FTCNT;
-		writeb(val, auxio_register);
-
-		doing_pdma = 0;
-	}
-
-main_interrupt:
-	return floppy_interrupt(irq, dev_cookie, regs);
-}
-EXPORT_SYMBOL(sparc_floppy_irq);
-#endif
-
 struct sun5_timer {
 	u64	count0;
 	u64	limit0;
diff --git a/arch/sparc64/kernel/of_device.c b/arch/sparc64/kernel/of_device.c
index 566aa343aa623..768475bbce82f 100644
--- a/arch/sparc64/kernel/of_device.c
+++ b/arch/sparc64/kernel/of_device.c
@@ -138,6 +138,7 @@ struct bus_type isa_bus_type = {
        .suspend	= of_device_suspend,
        .resume	= of_device_resume,
 };
+EXPORT_SYMBOL(isa_bus_type);
 
 struct bus_type ebus_bus_type = {
        .name	= "ebus",
@@ -147,6 +148,7 @@ struct bus_type ebus_bus_type = {
        .suspend	= of_device_suspend,
        .resume	= of_device_resume,
 };
+EXPORT_SYMBOL(ebus_bus_type);
 #endif
 
 #ifdef CONFIG_SBUS
@@ -158,6 +160,7 @@ struct bus_type sbus_bus_type = {
        .suspend	= of_device_suspend,
        .resume	= of_device_resume,
 };
+EXPORT_SYMBOL(sbus_bus_type);
 #endif
 
 static int __init of_bus_driver_init(void)
diff --git a/arch/sparc64/kernel/prom.c b/arch/sparc64/kernel/prom.c
index e9d703eea806a..8e87e7ea0325b 100644
--- a/arch/sparc64/kernel/prom.c
+++ b/arch/sparc64/kernel/prom.c
@@ -27,6 +27,11 @@
 
 static struct device_node *allnodes;
 
+/* use when traversing tree through the allnext, child, sibling,
+ * or parent members of struct device_node.
+ */
+static DEFINE_RWLOCK(devtree_lock);
+
 int of_device_is_compatible(struct device_node *device, const char *compat)
 {
 	const char* cp;
@@ -185,6 +190,54 @@ int of_getintprop_default(struct device_node *np, const char *name, int def)
 }
 EXPORT_SYMBOL(of_getintprop_default);
 
+int of_set_property(struct device_node *dp, const char *name, void *val, int len)
+{
+	struct property **prevp;
+	void *new_val;
+	int err;
+
+	new_val = kmalloc(len, GFP_KERNEL);
+	if (!new_val)
+		return -ENOMEM;
+
+	memcpy(new_val, val, len);
+
+	err = -ENODEV;
+
+	write_lock(&devtree_lock);
+	prevp = &dp->properties;
+	while (*prevp) {
+		struct property *prop = *prevp;
+
+		if (!strcmp(prop->name, name)) {
+			void *old_val = prop->value;
+			int ret;
+
+			ret = prom_setprop(dp->node, name, val, len);
+			err = -EINVAL;
+			if (ret >= 0) {
+				prop->value = new_val;
+				prop->length = len;
+
+				if (OF_IS_DYNAMIC(prop))
+					kfree(old_val);
+
+				OF_MARK_DYNAMIC(prop);
+
+				err = 0;
+			}
+			break;
+		}
+		prevp = &(*prevp)->next;
+	}
+	write_unlock(&devtree_lock);
+
+	/* XXX Upate procfs if necessary... */
+
+	return err;
+}
+EXPORT_SYMBOL(of_set_property);
+
 static unsigned int prom_early_allocated;
 
 static void * __init prom_early_alloc(unsigned long size)
@@ -531,7 +584,9 @@ static char * __init build_full_name(struct device_node *dp)
 	return n;
 }
 
-static struct property * __init build_one_prop(phandle node, char *prev)
+static unsigned int unique_id;
+
+static struct property * __init build_one_prop(phandle node, char *prev, char *special_name, void *special_val, int special_len)
 {
 	static struct property *tmp = NULL;
 	struct property *p;
@@ -540,25 +595,35 @@ static struct property * __init build_one_prop(phandle node, char *prev)
 		p = tmp;
 		memset(p, 0, sizeof(*p) + 32);
 		tmp = NULL;
-	} else
+	} else {
 		p = prom_early_alloc(sizeof(struct property) + 32);
+		p->unique_id = unique_id++;
+	}
 
 	p->name = (char *) (p + 1);
-	if (prev == NULL) {
-		prom_firstprop(node, p->name);
+	if (special_name) {
+		strcpy(p->name, special_name);
+		p->length = special_len;
+		p->value = prom_early_alloc(special_len);
+		memcpy(p->value, special_val, special_len);
 	} else {
-		prom_nextprop(node, prev, p->name);
-	}
-	if (strlen(p->name) == 0) {
-		tmp = p;
-		return NULL;
-	}
-	p->length = prom_getproplen(node, p->name);
-	if (p->length <= 0) {
-		p->length = 0;
-	} else {
-		p->value = prom_early_alloc(p->length);
-		prom_getproperty(node, p->name, p->value, p->length);
+		if (prev == NULL) {
+			prom_firstprop(node, p->name);
+		} else {
+			prom_nextprop(node, prev, p->name);
+		}
+		if (strlen(p->name) == 0) {
+			tmp = p;
+			return NULL;
+		}
+		p->length = prom_getproplen(node, p->name);
+		if (p->length <= 0) {
+			p->length = 0;
+		} else {
+			p->value = prom_early_alloc(p->length + 1);
+			prom_getproperty(node, p->name, p->value, p->length);
+			((unsigned char *)p->value)[p->length] = '\0';
+		}
 	}
 	return p;
 }
@@ -567,9 +632,14 @@ static struct property * __init build_prop_list(phandle node)
 {
 	struct property *head, *tail;
 
-	head = tail = build_one_prop(node, NULL);
+	head = tail = build_one_prop(node, NULL,
+				     ".node", &node, sizeof(node));
+
+	tail->next = build_one_prop(node, NULL, NULL, NULL, 0);
+	tail = tail->next;
 	while(tail) {
-		tail->next = build_one_prop(node, tail->name);
+		tail->next = build_one_prop(node, tail->name,
+					    NULL, NULL, 0);
 		tail = tail->next;
 	}
 
@@ -598,6 +668,7 @@ static struct device_node * __init create_node(phandle node)
 		return NULL;
 
 	dp = prom_early_alloc(sizeof(*dp));
+	dp->unique_id = unique_id++;
 
 	kref_init(&dp->kref);
 
diff --git a/arch/sparc64/mm/init.c b/arch/sparc64/mm/init.c
index 513993414747d..5c2bcf354ce64 100644
--- a/arch/sparc64/mm/init.c
+++ b/arch/sparc64/mm/init.c
@@ -1568,6 +1568,7 @@ pgprot_t PAGE_EXEC __read_mostly;
 unsigned long pg_iobits __read_mostly;
 
 unsigned long _PAGE_IE __read_mostly;
+EXPORT_SYMBOL(_PAGE_IE);
 
 unsigned long _PAGE_E __read_mostly;
 EXPORT_SYMBOL(_PAGE_E);