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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-06 15:47:16 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-10-06 15:47:16 -0700
commitfc8b28a65d81a6fdf58ef81ce5b8ac7a35304e68 (patch)
treed22d2d97d4b32d2428c2a8b7edcc6f4c36ee0433 /arch
parent3a4986955c0d9806e96a9d738ef7c40cb0cdaba3 (diff)
parent8cfaf45367d41400ce99e1757ab5690d1fc94dbc (diff)
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: [MIPS] IP32: Enable PCI bridges
Diffstat (limited to 'arch')
-rw-r--r--arch/mips/pci/ops-mace.c21
1 files changed, 9 insertions, 12 deletions
diff --git a/arch/mips/pci/ops-mace.c b/arch/mips/pci/ops-mace.c
index 8008e31c5e8..2025f1f3e9f 100644
--- a/arch/mips/pci/ops-mace.c
+++ b/arch/mips/pci/ops-mace.c
@@ -29,22 +29,20 @@
* 4 N/C
*/
-#define chkslot(_bus,_devfn) \
-do { \
- if ((_bus)->number > 0 || PCI_SLOT (_devfn) < 1 \
- || PCI_SLOT (_devfn) > 3) \
- return PCIBIOS_DEVICE_NOT_FOUND; \
-} while (0)
+static inline int mkaddr(struct pci_bus *bus, unsigned int devfn,
+ unsigned int reg)
+{
+ return ((bus->number & 0xff) << 16) |
+ (devfn & 0xff) << 8) |
+ (reg & 0xfc);
+}
-#define mkaddr(_devfn, _reg) \
-((((_devfn) & 0xffUL) << 8) | ((_reg) & 0xfcUL))
static int
mace_pci_read_config(struct pci_bus *bus, unsigned int devfn,
int reg, int size, u32 *val)
{
- chkslot(bus, devfn);
- mace->pci.config_addr = mkaddr(devfn, reg);
+ mace->pci.config_addr = mkaddr(bus, devfn, reg);
switch (size) {
case 1:
*val = mace->pci.config_data.b[(reg & 3) ^ 3];
@@ -66,8 +64,7 @@ static int
mace_pci_write_config(struct pci_bus *bus, unsigned int devfn,
int reg, int size, u32 val)
{
- chkslot(bus, devfn);
- mace->pci.config_addr = mkaddr(devfn, reg);
+ mace->pci.config_addr = mkaddr(bus, devfn, reg);
switch (size) {
case 1:
mace->pci.config_data.b[(reg & 3) ^ 3] = val;