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| author | Peter Ujfalusi <peter.ujfalusi@ti.com> | 2016-01-11 10:38:01 +0200 |
|---|---|---|
| committer | Vinod Koul <vinod.koul@intel.com> | 2016-01-13 19:09:25 +0530 |
| commit | d20313b2c407a90fb60eca99d73c47a75bb42e08 (patch) | |
| tree | 961beb7501b0848da9c3fb2f073419ae94020418 /drivers/dma | |
| parent | 8b648436eb45c1f561164b24aafd35fb2bee9cfc (diff) | |
| download | linux-d20313b2c407a90fb60eca99d73c47a75bb42e08.tar.gz linux-d20313b2c407a90fb60eca99d73c47a75bb42e08.tar.bz2 linux-d20313b2c407a90fb60eca99d73c47a75bb42e08.zip | |
dmaengine: edma: Fix paRAM slot allocation for entry channel 0
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>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/edma.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c index 6b3e9d991010..bdb9339a91c7 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) |