summaryrefslogtreecommitdiff
path: root/arch/mips/pci/pci.c
diff options
context:
space:
mode:
authorSean Paul <seanpaul@chromium.org>2017-05-18 09:24:30 -0400
committerSean Paul <seanpaul@chromium.org>2017-05-18 09:24:30 -0400
commit6b7781b42dc9bc9bcd1523b6c24b876cdda0bef3 (patch)
treeee55c67e4ea30b9eb44f301ba0bde2e631a26162 /arch/mips/pci/pci.c
parent52d9d38c183bf0e09601d875ea31bb53c05dd8cf (diff)
parente98c58e55f68f8785aebfab1f8c9a03d8de0afe1 (diff)
Merge remote-tracking branch 'airlied/drm-next' into drm-misc-next
Picking up drm-next @ 4.12-rc1 in order to apply Michal Hocko's vmalloc patch set Signed-off-by: Sean Paul <seanpaul@chromium.org>
Diffstat (limited to 'arch/mips/pci/pci.c')
-rw-r--r--arch/mips/pci/pci.c24
1 files changed, 0 insertions, 24 deletions
diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c
index f6325fa657fb..bd67ac74fe2d 100644
--- a/arch/mips/pci/pci.c
+++ b/arch/mips/pci/pci.c
@@ -57,27 +57,3 @@ void pci_resource_to_user(const struct pci_dev *dev, int bar,
*start = fixup_bigphys_addr(rsrc->start, size);
*end = rsrc->start + size;
}
-
-int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
- enum pci_mmap_state mmap_state, int write_combine)
-{
- unsigned long prot;
-
- /*
- * I/O space can be accessed via normal processor loads and stores on
- * this platform but for now we elect not to do this and portable
- * drivers should not do this anyway.
- */
- if (mmap_state == pci_mmap_io)
- return -EINVAL;
-
- /*
- * Ignore write-combine; for now only return uncached mappings.
- */
- prot = pgprot_val(vma->vm_page_prot);
- prot = (prot & ~_CACHE_MASK) | _CACHE_UNCACHED;
- vma->vm_page_prot = __pgprot(prot);
-
- return remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
- vma->vm_end - vma->vm_start, vma->vm_page_prot);
-}