[MIPS] Use "R" constraint for cache_op.

Gcc might emit an absolute address for the the "m" constraint which
gas unfortunately does not permit.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/include/asm-mips/r4kcache.h b/include/asm-mips/r4kcache.h
index 90c3747..2f2eb95 100644 (file)
--- a/include/asm-mips/r4kcache.h
+++ b/include/asm-mips/r4kcache.h
@@ -37,7 +37,7 @@
        "       cache   %0, %1                                  \n"     \
        "       .set    pop                                     \n"     \
        :                                                               \
-       : "i" (op), "m" (*(unsigned char *)(addr)))
+       : "i" (op), "R" (*(unsigned char *)(addr)))
 
 static inline void flush_icache_line_indexed(unsigned long addr)
 {