diff options
| author | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2008-12-22 17:34:26 +1100 |
|---|---|---|
| committer | Lachlan McIlroy <lachlan@redback.melbourne.sgi.com> | 2008-12-22 17:34:26 +1100 |
| commit | 27a0464a6cb837d3a90b6e69365dfc01cb0dff2f (patch) | |
| tree | 361f00f4d4ad4c01b6144c52004bee2b948742ad /arch/mips/pci/pci.c | |
| parent | 4d9d4ebf5de848e3450e23e4db9ac74e23e5daa6 (diff) | |
| parent | 3d44cc3e01ee1b40317f79ed54324e25c4f848df (diff) | |
[XFS] Fix merge conflict in fs/xfs/xfs_rename.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
fs/xfs/xfs_rename.c
Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
Diffstat (limited to 'arch/mips/pci/pci.c')
| -rw-r--r-- | arch/mips/pci/pci.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/arch/mips/pci/pci.c b/arch/mips/pci/pci.c index a377e9d2d02..62cae740e25 100644 --- a/arch/mips/pci/pci.c +++ b/arch/mips/pci/pci.c @@ -354,6 +354,30 @@ EXPORT_SYMBOL(PCIBIOS_MIN_IO); EXPORT_SYMBOL(PCIBIOS_MIN_MEM); #endif +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); +} + char * (*pcibios_plat_setup)(char *str) __devinitdata; char *__devinit pcibios_setup(char *str) |