From: Greg KH <gre...@linuxfoundation.org>
3.4-stable review patch. If anyone has any objections, please let me know.
------------------
From: Tushar Behera <tushar.beh...@linaro.org>
commit 30c1dc0ff30b5552e8af555265dbeac5637cbb48 upstream.
Commit eab215855803 ("dmaengine: pl330: dont complete descriptor for
cyclic dma") wrongly completes descriptor for cyclic dma, hence following
BUG_ON is still hit with cyclic DMA operations.
kernel BUG at drivers/dma/dmaengine.h:53!
Signed-off-by: Tushar Behera <tushar.beh...@linaro.org>
Acked-by: Jassi Brar <jaswinder.si...@linaro.org>
Signed-off-by: Vinod Koul <vinod.k...@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
drivers/dma/pl330.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/dma/pl330.c
+++ b/drivers/dma/pl330.c
@@ -2322,7 +2322,7 @@ static void pl330_tasklet(unsigned long
/* Pick up ripe tomatoes */
list_for_each_entry_safe(desc, _dt, &pch->work_list, node)
if (desc->status == DONE) {
- if (pch->cyclic)
+ if (!pch->cyclic)
dma_cookie_complete(&desc->txd);
list_move_tail(&desc->node, &list);
}
--
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