From 24e9d0b96dac5503c0b6f034d553030c604228a7 Mon Sep 17 00:00:00 2001 From: Ralf Baechle Date: Tue, 10 Jul 2007 17:32:56 +0100 Subject: [MIPS] Hook for platforms to define cachability of /dev/mem regions Signed-off-by: Ralf Baechle --- drivers/char/mem.c | 7 +++++++ 1 file changed, 7 insertions(+) (limited to 'drivers/char/mem.c') diff --git a/drivers/char/mem.c b/drivers/char/mem.c index cc9a9d0df97..7e082bceed5 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 -- cgit v1.2.3