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Groups > linux.kernel > #1305950 > unrolled thread
| Started by | Peter Ujfalusi <peter.ujfalusi@ti.com> |
|---|---|
| First post | 2016-01-11 09:40 +0100 |
| Last post | 2016-01-13 14:40 +0100 |
| Articles | 2 — 2 participants |
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[PATCH] dmaengine: edma: Fix paRAM slot allocation for entry channel 0 Peter Ujfalusi <peter.ujfalusi@ti.com> - 2016-01-11 09:40 +0100
Re: [PATCH] dmaengine: edma: Fix paRAM slot allocation for entry channel 0 Vinod Koul <vinod.koul@intel.com> - 2016-01-13 14:40 +0100
| From | Peter Ujfalusi <peter.ujfalusi@ti.com> |
|---|---|
| Date | 2016-01-11 09:40 +0100 |
| Subject | [PATCH] dmaengine: edma: Fix paRAM slot allocation for entry channel 0 |
| Message-ID | <qPGb8-8fa-19@gated-at.bofh.it> |
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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| From | Vinod Koul <vinod.koul@intel.com> |
|---|---|
| Date | 2016-01-13 14:40 +0100 |
| Subject | Re: [PATCH] dmaengine: edma: Fix paRAM slot allocation for entry channel 0 |
| Message-ID | <qQtOy-mT-19@gated-at.bofh.it> |
| In reply to | #1305950 |
On Mon, Jan 11, 2016 at 10:38:01AM +0200, Peter Ujfalusi wrote: > 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). Applied, thanks -- ~Vinod
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