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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2014-04-14 14:42:03 +0300
committerVinod Koul <vinod.koul@intel.com>2014-04-22 21:36:03 +0530
commitc594c8912bd6d0dfa45cc08b58a60dcbb8010ecb (patch)
tree28234c97bb0f27c7629c40f1dbb1466fd1f21212 /drivers/dma/edma.c
parent2c88ee6b6b9a715f2caba87b7c993ca485f68c0d (diff)
downloadop-kernel-dev-c594c8912bd6d0dfa45cc08b58a60dcbb8010ecb.zip
op-kernel-dev-c594c8912bd6d0dfa45cc08b58a60dcbb8010ecb.tar.gz
dmaengine: edma: Prefix debug prints where the text were identical in prep callbacks
prep_slave_sg and prep_dma_cyclic callbacks have mostly same failure cases with the same texts printed in case we hit them. It helps when debugging if we know exactly which callback generated the errors. At the same time change the debug level for descriptor allocation failure from dbg to err since all other error cases are dev_err and this failure is similarly fatal as the other ones. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> Acked-by: Joel Fernandes <joelf@ti.com> Reviewed-and-Tested-by: Joel Fernandes <joelf@ti.com> Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Diffstat (limited to 'drivers/dma/edma.c')
-rw-r--r--drivers/dma/edma.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index ce230f8..571f3b1 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -438,14 +438,14 @@ static struct dma_async_tx_descriptor *edma_prep_slave_sg(
}
if (dev_width == DMA_SLAVE_BUSWIDTH_UNDEFINED) {
- dev_err(dev, "Undefined slave buswidth\n");
+ dev_err(dev, "%s: Undefined slave buswidth\n", __func__);
return NULL;
}
edesc = kzalloc(sizeof(*edesc) + sg_len *
sizeof(edesc->pset[0]), GFP_ATOMIC);
if (!edesc) {
- dev_dbg(dev, "Failed to allocate a descriptor\n");
+ dev_err(dev, "%s: Failed to allocate a descriptor\n", __func__);
return NULL;
}
@@ -461,7 +461,8 @@ static struct dma_async_tx_descriptor *edma_prep_slave_sg(
EDMA_SLOT_ANY);
if (echan->slot[i] < 0) {
kfree(edesc);
- dev_err(dev, "Failed to allocate slot\n");
+ dev_err(dev, "%s: Failed to allocate slot\n",
+ __func__);
return NULL;
}
}
@@ -530,7 +531,7 @@ static struct dma_async_tx_descriptor *edma_prep_dma_cyclic(
}
if (dev_width == DMA_SLAVE_BUSWIDTH_UNDEFINED) {
- dev_err(dev, "Undefined slave buswidth\n");
+ dev_err(dev, "%s: Undefined slave buswidth\n", __func__);
return NULL;
}
@@ -555,7 +556,7 @@ static struct dma_async_tx_descriptor *edma_prep_dma_cyclic(
edesc = kzalloc(sizeof(*edesc) + nslots *
sizeof(edesc->pset[0]), GFP_ATOMIC);
if (!edesc) {
- dev_dbg(dev, "Failed to allocate a descriptor\n");
+ dev_err(dev, "%s: Failed to allocate a descriptor\n", __func__);
return NULL;
}
@@ -573,7 +574,8 @@ static struct dma_async_tx_descriptor *edma_prep_dma_cyclic(
EDMA_SLOT_ANY);
if (echan->slot[i] < 0) {
kfree(edesc);
- dev_err(dev, "Failed to allocate slot\n");
+ dev_err(dev, "%s: Failed to allocate slot\n",
+ __func__);
return NULL;
}
}
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