Fwd: [PATCH] Fix SH4 DMAC API

[Adrian M. <lkm...@gm...>]

Typed the wrong address first time...

---------- Forwarded message ----------
From: Adrian McMenamin <lkm...@gm...>
Date: 6 Oct 2007 14:52
Subject: [PATCH] Fix SH4 DMAC API
To: Paul Mundt <le...@li...>
Cc: lin...@vg..., lin...@so...


This patch fixes the DMA cascade by masking the correct bits.

Tested and working with Dreamcast PVR2 DMA. With this patch applied
the existing mainline code in arch/sh/drivers/dma/dma-sh.c works,
whereas before I was patching that to get round this problem.

Signed-off by: Adrian McMenamin <ad...@mc...>

diff --git a/include/asm-sh/cpu-sh4/dma.h b/include/asm-sh/cpu-sh4/dma.h
index 36e26a9..aaf71b0 100644
--- a/include/asm-sh/cpu-sh4/dma.h
+++ b/include/asm-sh/cpu-sh4/dma.h
@@ -31,7 +31,7 @@
 #define TS_32          0x00000030
 #define TS_64          0x00000000

-#define CHCR_TS_MASK   0x30
+#define CHCR_TS_MASK   0x70
 #define CHCR_TS_SHIFT  4

 #define DMAOR_COD      0x00000008