* [PATCH] Fix SH4 DMAC API
@ 2007-10-06 13:52 Adrian McMenamin
2007-10-07 20:10 ` Paul Mundt
0 siblings, 1 reply; 2+ messages in thread
From: Adrian McMenamin @ 2007-10-06 13:52 UTC (permalink / raw)
To: Paul Mundt; +Cc: linux-kernel, linuxsh-dev
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 <adrian@mcmen.demon.co.uk>
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
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] Fix SH4 DMAC API
2007-10-06 13:52 [PATCH] Fix SH4 DMAC API Adrian McMenamin
@ 2007-10-07 20:10 ` Paul Mundt
0 siblings, 0 replies; 2+ messages in thread
From: Paul Mundt @ 2007-10-07 20:10 UTC (permalink / raw)
To: Adrian McMenamin; +Cc: linux-kernel, linuxsh-dev
On Sat, Oct 06, 2007 at 02:52:43PM +0100, Adrian McMenamin wrote:
> 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 <adrian@mcmen.demon.co.uk>
>
Applied, thanks.
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