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| author | Ralf Baechle <ralf@linux-mips.org> | 2007-07-10 18:32:56 +0200 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2007-07-10 18:32:56 +0200 |
| commit | 24e9d0b96dac5503c0b6f034d553030c604228a7 (patch) | |
| tree | 19924ab3906f524f8b50983612c8cf056dfdaa72 /drivers/char/mem.c | |
| parent | [MIPS] Cleanup TO_PHYS_MASK definition (diff) | |
| download | linux-24e9d0b96dac5503c0b6f034d553030c604228a7.tar.xz linux-24e9d0b96dac5503c0b6f034d553030c604228a7.zip | |
[MIPS] Hook for platforms to define cachability of /dev/mem regions
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'drivers/char/mem.c')
| -rw-r--r-- | drivers/char/mem.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/char/mem.c b/drivers/char/mem.c index cc9a9d0df979..7e082bceed57 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -75,6 +75,13 @@ static inline int uncached_access(struct file *file, unsigned long addr) * On ia64, we ignore O_SYNC because we cannot tolerate memory attribute aliases. */ return !(efi_mem_attributes(addr) & EFI_MEMORY_WB); +#elif defined(CONFIG_MIPS) + { + extern int __uncached_access(struct file *file, + unsigned long addr); + + return __uncached_access(file, addr); + } #else /* * Accessing memory above the top the kernel knows about or through a file pointer |