Commit 04db3ede authored by Qian Cai's avatar Qian Cai Committed by Michael Ellerman
Browse files

powerpc/cacheflush: fix variable set but not used 



The powerpc's flush_cache_vmap() is defined as a macro and never use
both of its arguments, so it will generate a compilation warning,

lib/ioremap.c: In function 'ioremap_page_range':
lib/ioremap.c:203:16: warning: variable 'start' set but not used
[-Wunused-but-set-variable]

Fix it by making it an inline function.

Signed-off-by: default avatarQian Cai <cai@lca.pw>
Signed-off-by: default avatarMichael Ellerman <mpe@ellerman.id.au>
parent 3becd11d

arch/powerpc/include/asm/cacheflush.h

+5 −2
Original line number Diff line number Diff line
@@ -32,9 +32,12 @@ 
 * not expect this type of fault. flush_cache_vmap is not exactly the right

 * place to put this, but it seems to work well enough.

 */

#define flush_cache_vmap(start, end)		do { asm volatile("ptesync" ::: "memory"); } while (0)

static inline void flush_cache_vmap(unsigned long start, unsigned long end)

{

	asm volatile("ptesync" ::: "memory");

}

#else

#define flush_cache_vmap(start, end)		do { } while (0)

static inline void flush_cache_vmap(unsigned long start, unsigned long end) { }

#endif



#define ARCH_IMPLEMENTS_FLUSH_DCACHE_PAGE 1