From: Paul Mundt <lethal@linux-sh.org>
Date: Wed, 7 Feb 2007 09:35:39 +0000 (+0900)
Subject: sh: dcache write-back for R7780RP PIO.
X-Git-Tag: v2.6.21-rc1~179^2~12
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5904539b7f21ae97f16278ea4bfb81fd19749e1a;p=linux-2.6

sh: dcache write-back for R7780RP PIO.

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

diff --git a/arch/sh/boards/renesas/r7780rp/io.c b/arch/sh/boards/renesas/r7780rp/io.c
index 311ccccba7..369cbf1cd4 100644
--- a/arch/sh/boards/renesas/r7780rp/io.c
+++ b/arch/sh/boards/renesas/r7780rp/io.c
@@ -214,6 +214,8 @@ void r7780rp_insw(unsigned long port, void *dst, unsigned long count)
 
 	while (count--)
 		*buf++ = *p;
+
+	flush_dcache_all();
 }
 
 void r7780rp_insl(unsigned long port, void *dst, unsigned long count)
@@ -271,6 +273,8 @@ void r7780rp_outsw(unsigned long port, const void *src, unsigned long count)
 
 	while (count--)
 		*p = *buf++;
+
+	flush_dcache_all();
 }
 
 void r7780rp_outsl(unsigned long port, const void *src, unsigned long count)