diff options
Diffstat (limited to 'arch/sh/drivers/pci/ops-sh7786.c')
| -rw-r--r-- | arch/sh/drivers/pci/ops-sh7786.c | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/arch/sh/drivers/pci/ops-sh7786.c b/arch/sh/drivers/pci/ops-sh7786.c index 57134a38686..79a5ddae733 100644 --- a/arch/sh/drivers/pci/ops-sh7786.c +++ b/arch/sh/drivers/pci/ops-sh7786.c @@ -25,14 +25,15 @@ static int sh7786_pcie_config_access(unsigned char access_type, struct pci_bus *bus, unsigned int devfn, int where, u32 *data) { struct pci_channel *chan = bus->sysdata; - int dev, func; + int dev, func, type; dev = PCI_SLOT(devfn); func = PCI_FUNC(devfn); + type = !!bus->parent; if (bus->number > 255 || dev > 31 || func > 7) return PCIBIOS_FUNC_NOT_SUPPORTED; - if (devfn) + if (bus->parent == NULL && dev) return PCIBIOS_DEVICE_NOT_FOUND; /* Clear errors */ @@ -43,13 +44,7 @@ static int sh7786_pcie_config_access(unsigned char access_type, (func << 16) | (where & ~3), SH4A_PCIEPAR); /* Enable the configuration access */ - if (bus->number) { - /* Type 1 */ - pci_write_reg(chan, (1 << 31) | (1 << 8), SH4A_PCIEPCTLR); - } else { - /* Type 0 */ - pci_write_reg(chan, (1 << 31), SH4A_PCIEPCTLR); - } + pci_write_reg(chan, (1 << 31) | (type << 8), SH4A_PCIEPCTLR); /* Check for errors */ if (pci_read_reg(chan, SH4A_PCIEERRFR) & 0x10) |