diff options
| author |   Giuseppe Sacco <giuseppe@eppesuigoccas.homedns.org> | 2007-10-04 23:09:12 +0200 |
|---|---|---|
| committer |   Ralf Baechle <ralf@linux-mips.org> | 2007-10-05 13:31:22 +0100 |
| commit | 8cfaf45367d41400ce99e1757ab5690d1fc94dbc (patch) | |
| tree | 14b3c9ecc05925fc45ef6ab76de98f971c3da0a5 /arch/mips/pci/ops-mace.c | |
| parent | Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev (diff) | |
| download | linux-dev-8cfaf45367d41400ce99e1757ab5690d1fc94dbc.tar.xz linux-dev-8cfaf45367d41400ce99e1757ab5690d1fc94dbc.zip | |
[MIPS] IP32: Enable PCI bridges
Fixe MACE PCI addressing by adding the bus number parameter.
Remove check of the used slot since every slot should be valid.
Converted mkaddr from #define to inline function.
Signed-off-by: Giuseppe Sacco <eppesuig@debian.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to '')
| -rw-r--r-- | arch/mips/pci/ops-mace.c | 21 |
1 files changed, 9 insertions, 12 deletions
diff --git a/arch/mips/pci/ops-mace.c b/arch/mips/pci/ops-mace.c index 8008e31c5e81..2025f1f3e9f5 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; |