sh: Optimized readsl()/writesl() support.

Implement optimized copies of readsl()/writesl().

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/asm-sh/io.h b/include/asm-sh/io.h
index 377160b86295..ed12d38e8c00 100644
--- a/include/asm-sh/io.h
+++ b/include/asm-sh/io.h
@@ -107,6 +107,9 @@
 #define __raw_writew(v, a)      __writew(v, (void __iomem *)(a))
 #define __raw_writel(v, a)      __writel(v, (void __iomem *)(a))
 
+void __raw_writesl(unsigned long addr, const void *data, int longlen);
+void __raw_readsl(unsigned long addr, void *data, int longlen);
+
 /*
  * The platform header files may define some of these macros to use
  * the inlined versions where appropriate.  These macros may also be
@@ -132,6 +135,9 @@
 # define writel(v,a)    ({ __raw_writel((v),(a)); mb(); })
 #endif
 
+#define writesl __raw_writesl
+#define readsl  __raw_readsl
+
 #define readb_relaxed(a) readb(a)
 #define readw_relaxed(a) readw(a)
 #define readl_relaxed(a) readl(a)