* [PATCH] dmaengine: edma: Fix paRAM slot allocation for entry channel 0
@ 2016-01-11 8:38 Peter Ujfalusi
2016-01-13 13:39 ` Vinod Koul
0 siblings, 1 reply; 2+ messages in thread
From: Peter Ujfalusi @ 2016-01-11 8:38 UTC (permalink / raw)
To: linux-arm-kernel
edma_alloc_slot was not checking the channel mapping support existence when
slot 0 has been requested (used as entry slot for channel/event 0).
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
---
drivers/dma/edma.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index 50584015e046..d92d65549406 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -484,7 +484,7 @@ static void edma_read_slot(struct edma_cc *ecc, unsigned slot,
*/
static int edma_alloc_slot(struct edma_cc *ecc, int slot)
{
- if (slot > 0) {
+ if (slot >= 0) {
slot = EDMA_CHAN_SLOT(slot);
/* Requesting entry paRAM slot for a HW triggered channel. */
if (ecc->chmap_exist && slot < ecc->num_channels)
--
2.6.4
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2016-01-11 8:38 [PATCH] dmaengine: edma: Fix paRAM slot allocation for entry channel 0 Peter Ujfalusi
2016-01-13 13:39 ` Vinod Koul
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