diff options
| author | Wolfgang Grandegger <wg@grandegger.com> | 2010-12-13 21:48:10 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2013-09-19 00:48:48 +0200 |
| commit | 4c2924b725fb35d3acc6367d500458d70cdd09a9 (patch) | |
| tree | e56eb7ca6dddcc9fe5536cd518966a6e4c2efcd0 /arch | |
| parent | 9213ad77070ea75fc3a5e43e3d9e9c4146e4930a (diff) | |
MIPS: PCI: Use pci_resource_to_user to map pci memory space properly
[ralf@linux-mips.org: This only matters to Alchemy platforms. On other
platforms fixup_bigphys_addr is just an identidy mapping.]
Signed-off-by: Wolfgang Grandegger <wg@denx.de>
Cc: tiejun.chen <tiejun.chen@windriver.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/1868/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/include/asm/pci.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/arch/mips/include/asm/pci.h b/arch/mips/include/asm/pci.h index f194c08bd057..12d6842962be 100644 --- a/arch/mips/include/asm/pci.h +++ b/arch/mips/include/asm/pci.h @@ -83,6 +83,18 @@ static inline void pcibios_penalize_isa_irq(int irq, int active) extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma, enum pci_mmap_state mmap_state, int write_combine); +#define HAVE_ARCH_PCI_RESOURCE_TO_USER + +static inline void pci_resource_to_user(const struct pci_dev *dev, int bar, + const struct resource *rsrc, resource_size_t *start, + resource_size_t *end) +{ + phys_t size = resource_size(rsrc); + + *start = fixup_bigphys_addr(rsrc->start, size); + *end = rsrc->start + size; +} + /* * Dynamic DMA mapping stuff. * MIPS has everything mapped statically. |