diff options
Diffstat (limited to 'arch/mips/include/asm/pgtable.h')
-rw-r--r-- | arch/mips/include/asm/pgtable.h | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/mips/include/asm/pgtable.h b/arch/mips/include/asm/pgtable.h index d6eb6134abe..1854336e56a 100644 --- a/arch/mips/include/asm/pgtable.h +++ b/arch/mips/include/asm/pgtable.h @@ -390,6 +390,19 @@ static inline int io_remap_pfn_range(struct vm_area_struct *vma, #include <asm-generic/pgtable.h> /* + * uncached accelerated TLB map for video memory access + */ +#ifdef CONFIG_CPU_SUPPORTS_UNCACHED_ACCELERATED +#define __HAVE_PHYS_MEM_ACCESS_PROT + +struct file; +pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn, + unsigned long size, pgprot_t vma_prot); +int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn, + unsigned long size, pgprot_t *vma_prot); +#endif + +/* * We provide our own get_unmapped area to cope with the virtual aliasing * constraints placed on us by the cache architecture. */ |