sh: dcache write-back for R7780RP PIO.
authorPaul Mundt <lethal@linux-sh.org>
Wed, 7 Feb 2007 09:35:39 +0000 (18:35 +0900)
committerPaul Mundt <lethal@linux-sh.org>
Tue, 13 Feb 2007 01:54:45 +0000 (10:54 +0900)
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
arch/sh/boards/renesas/r7780rp/io.c

index 311ccccba718c48e7665403b6b1b722732c9a339..369cbf1cd471a51b2b02fd3ad01ebb9d3c59aaee 100644 (file)
@@ -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)