OSDN Git Service

dmaengine: edma: Add channel number to debug prints
authorPeter Ujfalusi <peter.ujfalusi@ti.com>
Thu, 24 Apr 2014 07:29:50 +0000 (10:29 +0300)
committerVinod Koul <vinod.koul@intel.com>
Tue, 29 Apr 2014 06:01:40 +0000 (11:31 +0530)
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@ti.com>
Acked-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
drivers/dma/edma.c

index fa87fd5..473155d 100644 (file)
@@ -183,7 +183,8 @@ static void edma_execute(struct edma_chan *echan)
        }
 
        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);
        } else {
                dev_dbg(dev, "chan: %d: completed %d elements, resuming\n",
@@ -197,7 +198,7 @@ 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);
@@ -779,7 +780,7 @@ 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;