From e9f82cb75096ae30658a72d473bf170bf4d3bb2e Mon Sep 17 00:00:00 2001 From: Benjamin Herrenschmidt Date: Tue, 14 Oct 2008 11:55:31 +1100 Subject: powerpc/PCI: Add legacy PCI access via sysfs This patch adds support for legacy_io and legacy_mem files in bus class directories in sysfs for powerpc Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Jesse Barnes --- arch/powerpc/include/asm/pci.h | 11 +++++++++++ 1 file changed, 11 insertions(+) (limited to 'arch/powerpc/include/asm/pci.h') diff --git a/arch/powerpc/include/asm/pci.h b/arch/powerpc/include/asm/pci.h index 0e52c7828ea4..39d547fde956 100644 --- a/arch/powerpc/include/asm/pci.h +++ b/arch/powerpc/include/asm/pci.h @@ -123,6 +123,16 @@ int pci_mmap_page_range(struct pci_dev *pdev, struct vm_area_struct *vma, /* Tell drivers/pci/proc.c that we have pci_mmap_page_range() */ #define HAVE_PCI_MMAP 1 +extern int pci_legacy_read(struct pci_bus *bus, loff_t port, u32 *val, + size_t count); +extern int pci_legacy_write(struct pci_bus *bus, loff_t port, u32 val, + size_t count); +extern int pci_mmap_legacy_page_range(struct pci_bus *bus, + struct vm_area_struct *vma, + enum pci_mmap_state mmap_state); + +#define HAVE_PCI_LEGACY 1 + #if defined(CONFIG_PPC64) || defined(CONFIG_NOT_COHERENT_CACHE) /* * For 64-bit kernels, pci_unmap_{single,page} is not a nop. @@ -226,5 +236,6 @@ extern void pci_resource_to_user(const struct pci_dev *dev, int bar, extern void pcibios_do_bus_setup(struct pci_bus *bus); extern void pcibios_fixup_of_probed_bus(struct pci_bus *bus); + #endif /* __KERNEL__ */ #endif /* __ASM_POWERPC_PCI_H */ -- cgit v1.2.3