diff options
Diffstat (limited to 'arch/x86/pci/common.c')
| -rw-r--r-- | arch/x86/pci/common.c | 25 |
1 files changed, 23 insertions, 2 deletions
diff --git a/arch/x86/pci/common.c b/arch/x86/pci/common.c index 52deabc72a6..b7c67a187b6 100644 --- a/arch/x86/pci/common.c +++ b/arch/x86/pci/common.c @@ -26,16 +26,37 @@ int pcibios_last_bus = -1; unsigned long pirq_table_addr; struct pci_bus *pci_root_bus; struct pci_raw_ops *raw_pci_ops; +struct pci_raw_ops *raw_pci_ext_ops; + +int raw_pci_read(unsigned int domain, unsigned int bus, unsigned int devfn, + int reg, int len, u32 *val) +{ + if (reg < 256 && raw_pci_ops) + return raw_pci_ops->read(domain, bus, devfn, reg, len, val); + if (raw_pci_ext_ops) + return raw_pci_ext_ops->read(domain, bus, devfn, reg, len, val); + return -EINVAL; +} + +int raw_pci_write(unsigned int domain, unsigned int bus, unsigned int devfn, + int reg, int len, u32 val) +{ + if (reg < 256 && raw_pci_ops) + return raw_pci_ops->write(domain, bus, devfn, reg, len, val); + if (raw_pci_ext_ops) + return raw_pci_ext_ops->write(domain, bus, devfn, reg, len, val); + return -EINVAL; +} 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, + return raw_pci_read(pci_domain_nr(bus), 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(pci_domain_nr(bus), bus->number, + return raw_pci_write(pci_domain_nr(bus), bus->number, devfn, where, size, value); } |