diff options
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/powerpc/include/asm/pci-bridge.h | 4 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/fsl_pci.c | 11 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/indirect_pci.c | 25 |
3 files changed, 25 insertions, 15 deletions
diff --git a/arch/powerpc/include/asm/pci-bridge.h b/arch/powerpc/include/asm/pci-bridge.h index 725247b..546d036 100644 --- a/arch/powerpc/include/asm/pci-bridge.h +++ b/arch/powerpc/include/asm/pci-bridge.h @@ -119,6 +119,10 @@ extern void setup_indirect_pci(struct pci_controller* hose, extern int indirect_read_config(struct pci_bus *bus, unsigned int devfn, int offset, int len, u32 *val); +extern int __indirect_read_config(struct pci_controller *hose, + unsigned char bus_number, unsigned int devfn, + int offset, int len, u32 *val); + extern int indirect_write_config(struct pci_bus *bus, unsigned int devfn, int offset, int len, u32 val); diff --git a/arch/powerpc/sysdev/fsl_pci.c b/arch/powerpc/sysdev/fsl_pci.c index 6455c1e..7cc215e 100644 --- a/arch/powerpc/sysdev/fsl_pci.c +++ b/arch/powerpc/sysdev/fsl_pci.c @@ -68,13 +68,10 @@ static int fsl_pcie_check_link(struct pci_controller *hose) u32 val = 0; if (hose->indirect_type & PPC_INDIRECT_TYPE_FSL_CFG_REG_LINK) { - if (hose->ops->read == fsl_indirect_read_config) { - struct pci_bus bus; - bus.number = hose->first_busno; - bus.sysdata = hose; - bus.ops = hose->ops; - indirect_read_config(&bus, 0, PCIE_LTSSM, 4, &val); - } else + if (hose->ops->read == fsl_indirect_read_config) + __indirect_read_config(hose, hose->first_busno, 0, + PCIE_LTSSM, 4, &val); + else early_read_config_dword(hose, 0, 0, PCIE_LTSSM, &val); if (val < PCIE_LTSSM_L0) return 1; diff --git a/arch/powerpc/sysdev/indirect_pci.c b/arch/powerpc/sysdev/indirect_pci.c index 1f6c570..692de9d 100644 --- a/arch/powerpc/sysdev/indirect_pci.c +++ b/arch/powerpc/sysdev/indirect_pci.c @@ -20,31 +20,31 @@ #include <asm/pci-bridge.h> #include <asm/machdep.h> -int indirect_read_config(struct pci_bus *bus, unsigned int devfn, - int offset, int len, u32 *val) +int __indirect_read_config(struct pci_controller *hose, + unsigned char bus_number, unsigned int devfn, + int offset, int len, u32 *val) { - struct pci_controller *hose = pci_bus_to_host(bus); volatile void __iomem *cfg_data; u8 cfg_type = 0; u32 bus_no, reg; if (hose->indirect_type & PPC_INDIRECT_TYPE_NO_PCIE_LINK) { - if (bus->number != hose->first_busno) + if (bus_number != hose->first_busno) return PCIBIOS_DEVICE_NOT_FOUND; if (devfn != 0) return PCIBIOS_DEVICE_NOT_FOUND; } if (ppc_md.pci_exclude_device) - if (ppc_md.pci_exclude_device(hose, bus->number, devfn)) + if (ppc_md.pci_exclude_device(hose, bus_number, devfn)) return PCIBIOS_DEVICE_NOT_FOUND; if (hose->indirect_type & PPC_INDIRECT_TYPE_SET_CFG_TYPE) - if (bus->number != hose->first_busno) + if (bus_number != hose->first_busno) cfg_type = 1; - bus_no = (bus->number == hose->first_busno) ? - hose->self_busno : bus->number; + bus_no = (bus_number == hose->first_busno) ? + hose->self_busno : bus_number; if (hose->indirect_type & PPC_INDIRECT_TYPE_EXT_REG) reg = ((offset & 0xf00) << 16) | (offset & 0xfc); @@ -77,6 +77,15 @@ int indirect_read_config(struct pci_bus *bus, unsigned int devfn, return PCIBIOS_SUCCESSFUL; } +int indirect_read_config(struct pci_bus *bus, unsigned int devfn, + int offset, int len, u32 *val) +{ + struct pci_controller *hose = pci_bus_to_host(bus); + + return __indirect_read_config(hose, bus->number, devfn, offset, len, + val); +} + int indirect_write_config(struct pci_bus *bus, unsigned int devfn, int offset, int len, u32 val) { |