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dma/imx-sdma: use num_events to validate event_id0
author
Richard Zhao
<richard.zhao@linaro.org>
Fri, 13 Jan 2012 03:10:00 +0000
(11:10 +0800)
committer
Vinod Koul
<vinod.koul@linux.intel.com>
Tue, 31 Jan 2012 03:33:16 +0000
(09:03 +0530)
event number is not always 32. use num_events for checking instead.
Signed-off-by: Richard Zhao <richard.zhao@linaro.org>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
drivers/dma/imx-sdma.c
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diff --git
a/drivers/dma/imx-sdma.c
b/drivers/dma/imx-sdma.c
index
1e0e516
..
5eb96b5
100644
(file)
--- a/
drivers/dma/imx-sdma.c
+++ b/
drivers/dma/imx-sdma.c
@@
-723,7
+723,7
@@
static int sdma_config_channel(struct sdma_channel *sdmac)
sdmac->per_addr = 0;
if (sdmac->event_id0) {
- if (sdmac->event_id0 >
32
)
+ if (sdmac->event_id0 >
= sdmac->sdma->num_events
)
return -EINVAL;
sdma_event_enable(sdmac, sdmac->event_id0);
}