arch: hexagon: include: asm: add generic macro 'mmiowb' in "io.h"

Need dumy mmiowb(), or can not pass compiling, the related error with allmodconfig: CC [M] drivers/mmc/host/sdhci.o drivers/mmc/host/sdhci.c: In function 'sdhci_request': drivers/mmc/host/sdhci.c:1409:2: error: implicit declaration of function 'mmiowb' [-Werror=implicit-function-declaration] Signed-off-by: Chen Gang <[email protected]> Signed-off-by: Richard Kuo <[email protected]>
sum-it · Apr 4, 2014 · 5e78a26 · 5e78a26
1 parent e6d1904
commit 5e78a26
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/arch/hexagon/include/asm/io.h b/arch/hexagon/include/asm/io.h
@@ -189,6 +189,8 @@ static inline void writel(u32 data, volatile void __iomem *addr)
 #define writew_relaxed __raw_writew
 #define writel_relaxed __raw_writel
 
+#define mmiowb()
+
 /*
  * Need an mtype somewhere in here, for cache type deals?
  * This is probably too long for an inline.