From: Greg KH <greg@kroah.com>
ChangeSet 1.1348.14.4, 2003/06/23 15:03:31-07:00, willy@debian.org
[PATCH] PCI: pci_raw_ops devfn
Combine the dev and func arguments to pci_raw_ops into devfn which is
more natural all around.
arch/i386/pci/common.c | 6 ++----
arch/i386/pci/direct.c | 48 +++++++++++++++++++++++++++---------------------
arch/i386/pci/numa.c | 16 ++++++++--------
arch/i386/pci/pcbios.c | 12 ++++++------
arch/ia64/pci/pci.c | 20 ++++++++++----------
drivers/acpi/osl.c | 6 ++++--
include/linux/pci.h | 4 ++--
7 files changed, 59 insertions(+), 53 deletions(-)
diff -puN arch/i386/pci/common.c~pci-4 arch/i386/pci/common.c
--- 25/arch/i386/pci/common.c~pci-4 2003-06-23 22:45:37.000000000 -0700
+++ 25-akpm/arch/i386/pci/common.c 2003-06-23 22:45:37.000000000 -0700
@@ -27,14 +27,12 @@ struct pci_raw_ops *raw_pci_ops;
static int pci_read(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *value)
{
- return raw_pci_ops->read(0, bus->number, PCI_SLOT(devfn),
- PCI_FUNC(devfn), where, size, value);
+ return raw_pci_ops->read(0, bus->number, devfn, where, size, value);
}
static int pci_write(struct pci_bus *bus, unsigned int devfn, int where, int size, u32 value)
{
- return raw_pci_ops->write(0, bus->number, PCI_SLOT(devfn),
- PCI_FUNC(devfn), where, size, value);
+ return raw_pci_ops->write(0, bus->number, devfn, where, size, value);
}
struct pci_ops pci_root_ops = {
diff -puN arch/i386/pci/direct.c~pci-4 arch/i386/pci/direct.c
--- 25/arch/i386/pci/direct.c~pci-4 2003-06-23 22:45:37.000000000 -0700
+++ 25-akpm/arch/i386/pci/direct.c 2003-06-23 22:45:37.000000000 -0700
@@ -10,19 +10,19 @@
* Functions for accessing PCI configuration space with type 1 accesses
*/
-#define PCI_CONF1_ADDRESS(bus, dev, fn, reg) \
- (0x80000000 | (bus << 16) | (dev << 11) | (fn << 8) | (reg & ~3))
+#define PCI_CONF1_ADDRESS(bus, devfn, reg) \
+ (0x80000000 | (bus << 16) | (devfn << 8) | (reg & ~3))
-static int pci_conf1_read (int seg, int bus, int dev, int fn, int reg, int len, u32 *value)
+static int pci_conf1_read (int seg, int bus, int devfn, int reg, int len, u32 *value)
{
unsigned long flags;
- if (!value || (bus > 255) || (dev > 31) || (fn > 7) || (reg > 255))
+ if (!value || (bus > 255) || (devfn > 255) || (reg > 255))
return -EINVAL;
spin_lock_irqsave(&pci_config_lock, flags);
- outl(PCI_CONF1_ADDRESS(bus, dev, fn, reg), 0xCF8);
+ outl(PCI_CONF1_ADDRESS(bus, devfn, reg), 0xCF8);
switch (len) {
case 1:
@@ -41,16 +41,16 @@ static int pci_conf1_read (int seg, int
return 0;
}
-static int pci_conf1_write (int seg, int bus, int dev, int fn, int reg, int len, u32 value)
+static int pci_conf1_write (int seg, int bus, int devfn, int reg, int len, u32 value)
{
unsigned long flags;
- if ((bus > 255) || (dev > 31) || (fn > 7) || (reg > 255))
+ if ((bus > 255) || (devfn > 255) || (reg > 255))
return -EINVAL;
spin_lock_irqsave(&pci_config_lock, flags);
- outl(PCI_CONF1_ADDRESS(bus, dev, fn, reg), 0xCF8);
+ outl(PCI_CONF1_ADDRESS(bus, devfn, reg), 0xCF8);
switch (len) {
case 1:
@@ -83,13 +83,17 @@ struct pci_raw_ops pci_direct_conf1 = {
#define PCI_CONF2_ADDRESS(dev, reg) (u16)(0xC000 | (dev << 8) | reg)
-static int pci_conf2_read (int seg, int bus, int dev, int fn, int reg, int len, u32 *value)
+static int pci_conf2_read(int seg, int bus, int devfn, int reg, int len, u32 *value)
{
unsigned long flags;
+ int dev, fn;
- if (!value || (bus > 255) || (dev > 31) || (fn > 7) || (reg > 255))
+ if (!value || (bus > 255) || (devfn > 255) || (reg > 255))
return -EINVAL;
+ dev = PCI_SLOT(devfn);
+ fn = PCI_FUNC(devfn);
+
if (dev & 0x10)
return PCIBIOS_DEVICE_NOT_FOUND;
@@ -110,20 +114,24 @@ static int pci_conf2_read (int seg, int
break;
}
- outb (0, 0xCF8);
+ outb(0, 0xCF8);
spin_unlock_irqrestore(&pci_config_lock, flags);
return 0;
}
-static int pci_conf2_write (int seg, int bus, int dev, int fn, int reg, int len, u32 value)
+static int pci_conf2_write (int seg, int bus, int devfn, int reg, int len, u32 value)
{
unsigned long flags;
+ int dev, fn;
- if ((bus > 255) || (dev > 31) || (fn > 7) || (reg > 255))
+ if ((bus > 255) || (devfn > 255) || (reg > 255))
return -EINVAL;
+ dev = PCI_SLOT(devfn);
+ fn = PCI_FUNC(devfn);
+
if (dev & 0x10)
return PCIBIOS_DEVICE_NOT_FOUND;
@@ -134,17 +142,17 @@ static int pci_conf2_write (int seg, int
switch (len) {
case 1:
- outb ((u8)value, PCI_CONF2_ADDRESS(dev, reg));
+ outb((u8)value, PCI_CONF2_ADDRESS(dev, reg));
break;
case 2:
- outw ((u16)value, PCI_CONF2_ADDRESS(dev, reg));
+ outw((u16)value, PCI_CONF2_ADDRESS(dev, reg));
break;
case 4:
- outl ((u32)value, PCI_CONF2_ADDRESS(dev, reg));
+ outl((u32)value, PCI_CONF2_ADDRESS(dev, reg));
break;
}
- outb (0, 0xCF8);
+ outb(0, 0xCF8);
spin_unlock_irqrestore(&pci_config_lock, flags);
@@ -178,14 +186,12 @@ static int __devinit pci_sanity_check(st
return 1;
for (devfn = 0; devfn < 0x100; devfn++) {
- if (o->read(0, 0, PCI_SLOT(devfn), PCI_FUNC(devfn),
- PCI_CLASS_DEVICE, 2, &x))
+ if (o->read(0, 0, devfn, PCI_CLASS_DEVICE, 2, &x))
continue;
if (x == PCI_CLASS_BRIDGE_HOST || x == PCI_CLASS_DISPLAY_VGA)
return 1;
- if (o->read(0, 0, PCI_SLOT(devfn), PCI_FUNC(devfn),
- PCI_VENDOR_ID, 2, &x))
+ if (o->read(0, 0, devfn, PCI_VENDOR_ID, 2, &x))
continue;
if (x == PCI_VENDOR_ID_INTEL || x == PCI_VENDOR_ID_COMPAQ)
return 1;
diff -puN arch/i386/pci/numa.c~pci-4 arch/i386/pci/numa.c
--- 25/arch/i386/pci/numa.c~pci-4 2003-06-23 22:45:37.000000000 -0700
+++ 25-akpm/arch/i386/pci/numa.c 2003-06-23 22:45:37.000000000 -0700
@@ -10,19 +10,19 @@
#define BUS2LOCAL(global) (mp_bus_id_to_local[global])
#define QUADLOCAL2BUS(quad,local) (quad_local_to_mp_bus_id[quad][local])
-#define PCI_CONF1_MQ_ADDRESS(bus, dev, fn, reg) \
- (0x80000000 | (BUS2LOCAL(bus) << 16) | (dev << 11) | (fn << 8) | (reg & ~3))
+#define PCI_CONF1_MQ_ADDRESS(bus, devfn, reg) \
+ (0x80000000 | (BUS2LOCAL(bus) << 16) | (devfn << 8) | (reg & ~3))
-static int pci_conf1_mq_read (int seg, int bus, int dev, int fn, int reg, int len, u32 *value)
+static int pci_conf1_mq_read (int seg, int bus, int devfn, int reg, int len, u32 *value)
{
unsigned long flags;
- if (!value || (bus > MAX_MP_BUSSES) || (dev > 31) || (fn > 7) || (reg > 255))
+ if (!value || (bus > MAX_MP_BUSSES) || (devfn > 255) || (reg > 255))
return -EINVAL;
spin_lock_irqsave(&pci_config_lock, flags);
- outl_quad(PCI_CONF1_MQ_ADDRESS(bus, dev, fn, reg), 0xCF8, BUS2QUAD(bus));
+ outl_quad(PCI_CONF1_MQ_ADDRESS(bus, devfn, reg), 0xCF8, BUS2QUAD(bus));
switch (len) {
case 1:
@@ -41,16 +41,16 @@ static int pci_conf1_mq_read (int seg, i
return 0;
}
-static int pci_conf1_mq_write (int seg, int bus, int dev, int fn, int reg, int len, u32 value)
+static int pci_conf1_mq_write (int seg, int bus, int devfn, int reg, int len, u32 value)
{
unsigned long flags;
- if ((bus > MAX_MP_BUSSES) || (dev > 31) || (fn > 7) || (reg > 255))
+ if ((bus > MAX_MP_BUSSES) || (devfn > 255) || (reg > 255))
return -EINVAL;
spin_lock_irqsave(&pci_config_lock, flags);
- outl_quad(PCI_CONF1_MQ_ADDRESS(bus, dev, fn, reg), 0xCF8, BUS2QUAD(bus));
+ outl_quad(PCI_CONF1_MQ_ADDRESS(bus, devfn, reg), 0xCF8, BUS2QUAD(bus));
switch (len) {
case 1:
diff -puN arch/i386/pci/pcbios.c~pci-4 arch/i386/pci/pcbios.c
--- 25/arch/i386/pci/pcbios.c~pci-4 2003-06-23 22:45:37.000000000 -0700
+++ 25-akpm/arch/i386/pci/pcbios.c 2003-06-23 22:45:37.000000000 -0700
@@ -172,13 +172,13 @@ static int __devinit pci_bios_find_devic
return (int) (ret & 0xff00) >> 8;
}
-static int pci_bios_read (int seg, int bus, int dev, int fn, int reg, int len, u32 *value)
+static int pci_bios_read (int seg, int bus, int devfn, int reg, int len, u32 *value)
{
unsigned long result = 0;
unsigned long flags;
- unsigned long bx = ((bus << 8) | (dev << 3) | fn);
+ unsigned long bx = (bus << 8) | devfn;
- if (!value || (bus > 255) || (dev > 31) || (fn > 7) || (reg > 255))
+ if (!value || (bus > 255) || (devfn > 255) || (reg > 255))
return -EINVAL;
spin_lock_irqsave(&pci_config_lock, flags);
@@ -227,13 +227,13 @@ static int pci_bios_read (int seg, int b
return (int)((result & 0xff00) >> 8);
}
-static int pci_bios_write (int seg, int bus, int dev, int fn, int reg, int len, u32 value)
+static int pci_bios_write (int seg, int bus, int devfn, int reg, int len, u32 value)
{
unsigned long result = 0;
unsigned long flags;
- unsigned long bx = ((bus << 8) | (dev << 3) | fn);
+ unsigned long bx = (bus << 8) | devfn;
- if ((bus > 255) || (dev > 31) || (fn > 7) || (reg > 255))
+ if ((bus > 255) || (devfn > 255) || (reg > 255))
return -EINVAL;
spin_lock_irqsave(&pci_config_lock, flags);
diff -puN arch/ia64/pci/pci.c~pci-4 arch/ia64/pci/pci.c
--- 25/arch/ia64/pci/pci.c~pci-4 2003-06-23 22:45:37.000000000 -0700
+++ 25-akpm/arch/ia64/pci/pci.c 2003-06-23 22:45:37.000000000 -0700
@@ -53,21 +53,21 @@ struct pci_fixup pcibios_fixups[1];
* synchronization mechanism here.
*/
-#define PCI_SAL_ADDRESS(seg, bus, dev, fn, reg) \
+#define PCI_SAL_ADDRESS(seg, bus, devfn, reg) \
((u64)(seg << 24) | (u64)(bus << 16) | \
- (u64)(dev << 11) | (u64)(fn << 8) | (u64)(reg))
+ (u64)(devfn << 8) | (u64)(reg))
static int
-pci_sal_read (int seg, int bus, int dev, int fn, int reg, int len, u32 *value)
+pci_sal_read (int seg, int bus, int devfn, int reg, int len, u32 *value)
{
int result = 0;
u64 data = 0;
- if (!value || (seg > 255) || (bus > 255) || (dev > 31) || (fn > 7) || (reg > 255))
+ if (!value || (seg > 255) || (bus > 255) || (devfn > 255) || (reg > 255))
return -EINVAL;
- result = ia64_sal_pci_config_read(PCI_SAL_ADDRESS(seg, bus, dev, fn, reg), len, &data);
+ result = ia64_sal_pci_config_read(PCI_SAL_ADDRESS(seg, bus, devfn, reg), len, &data);
*value = (u32) data;
@@ -75,12 +75,12 @@ pci_sal_read (int seg, int bus, int dev,
}
static int
-pci_sal_write (int seg, int bus, int dev, int fn, int reg, int len, u32 value)
+pci_sal_write (int seg, int bus, int devfn, int reg, int len, u32 value)
{
- if ((seg > 255) || (bus > 255) || (dev > 31) || (fn > 7) || (reg > 255))
+ if ((seg > 255) || (bus > 255) || (devfn > 255) || (reg > 255))
return -EINVAL;
- return ia64_sal_pci_config_write(PCI_SAL_ADDRESS(seg, bus, dev, fn, reg), len, value);
+ return ia64_sal_pci_config_write(PCI_SAL_ADDRESS(seg, bus, devfn, reg), len, value);
}
struct pci_raw_ops pci_sal_ops = {
@@ -95,14 +95,14 @@ static int
pci_read (struct pci_bus *bus, unsigned int devfn, int where, int size, u32 *value)
{
return raw_pci_ops->read(pci_domain_nr(bus), bus->number,
- PCI_SLOT(devfn), PCI_FUNC(devfn), where, size, value);
+ devfn, where, size, value);
}
static int
pci_write (struct pci_bus *bus, unsigned int devfn, int where, int size, u32 value)
{
return raw_pci_ops->write(pci_domain_nr(bus), bus->number,
- PCI_SLOT(devfn), PCI_FUNC(devfn), where, size, value);
+ devfn, where, size, value);
}
static struct pci_ops pci_root_ops = {
diff -puN drivers/acpi/osl.c~pci-4 drivers/acpi/osl.c
--- 25/drivers/acpi/osl.c~pci-4 2003-06-23 22:45:37.000000000 -0700
+++ 25-akpm/drivers/acpi/osl.c 2003-06-23 22:45:37.000000000 -0700
@@ -466,7 +466,8 @@ acpi_os_read_pci_configuration (struct a
}
result = raw_pci_ops->read(pci_id->segment, pci_id->bus,
- pci_id->device, pci_id->function, reg, size, value);
+ PCI_DEVFN(pci_id->device, pci_id->function),
+ reg, size, value);
return (result ? AE_ERROR : AE_OK);
}
@@ -491,7 +492,8 @@ acpi_os_write_pci_configuration (struct
}
result = raw_pci_ops->write(pci_id->segment, pci_id->bus,
- pci_id->device, pci_id->function, reg, size, value);
+ PCI_DEVFN(pci_id->device, pci_id->function),
+ reg, size, value);
return (result ? AE_ERROR : AE_OK);
}
diff -puN include/linux/pci.h~pci-4 include/linux/pci.h
--- 25/include/linux/pci.h~pci-4 2003-06-23 22:45:37.000000000 -0700
+++ 25-akpm/include/linux/pci.h 2003-06-23 22:45:37.000000000 -0700
@@ -487,8 +487,8 @@ struct pci_ops {
};
struct pci_raw_ops {
- int (*read)(int dom, int bus, int dev, int func, int reg, int len, u32 *val);
- int (*write)(int dom, int bus, int dev, int func, int reg, int len, u32 val);
+ int (*read)(int dom, int bus, int devfn, int reg, int len, u32 *val);
+ int (*write)(int dom, int bus, int devfn, int reg, int len, u32 val);
};
extern struct pci_raw_ops *raw_pci_ops;
_