[PATCH v2 13/14] dma: edma: Add channel number to debug prints

From: Peter Ujfalusi
Date: Tue Apr 01 2014 - 09:08:11 EST


It helps to identify issues if we have some information regarding to the
channel which the event is associated.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
---
drivers/dma/edma.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/drivers/dma/edma.c b/drivers/dma/edma.c
index 7feb6231276e..2413237840f8 100644
--- a/drivers/dma/edma.c
+++ b/drivers/dma/edma.c
@@ -185,7 +185,8 @@ static void edma_execute(struct edma_chan *echan)
edma_resume(echan->ch_num);

if (edesc->processed <= MAX_NR_SG) {
- dev_dbg(dev, "first transfer starting %d\n", echan->ch_num);
+ dev_dbg(dev, "first transfer starting on channel %d\n",
+ echan->ch_num);
edma_start(echan->ch_num);
}

@@ -195,7 +196,7 @@ static void edma_execute(struct edma_chan *echan)
* MAX_NR_SG
*/
if (echan->missed) {
- dev_dbg(dev, "missed event in execute detected\n");
+ dev_dbg(dev, "missed event on channel %d\n", echan->ch_num);
edma_clean_channel(echan->ch_num);
edma_stop(echan->ch_num);
edma_start(echan->ch_num);
@@ -736,7 +737,7 @@ static int edma_alloc_chan_resources(struct dma_chan *chan)
echan->alloced = true;
echan->slot[0] = echan->ch_num;

- dev_dbg(dev, "allocated channel for %u:%u\n",
+ dev_dbg(dev, "allocated channel %d for %u:%u\n", echan->ch_num,
EDMA_CTLR(echan->ch_num), EDMA_CHAN_SLOT(echan->ch_num));

return 0;
--
1.9.1

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