fsldma: use channel name in printk output

This makes debugging the driver much easier when multiple channels are
running concurrently. In addition, you can see how much descriptor
memory each channel has allocated via the dmapool API in sysfs.

Signed-off-by: Ira W. Snyder <iws@ovro.caltech.edu>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/drivers/dma/fsldma.h b/drivers/dma/fsldma.h
index ba9f403c0fbe..113e7134010b 100644
--- a/drivers/dma/fsldma.h
+++ b/drivers/dma/fsldma.h
@@ -135,6 +135,7 @@ struct fsldma_device {
 #define FSL_DMA_CHAN_START_EXT  0x00002000
 
 struct fsldma_chan {
+        char name[8];                   /* Channel name */
         struct fsldma_chan_regs __iomem *regs;
         dma_cookie_t completed_cookie;  /* The maximum cookie completed */
         spinlock_t desc_lock;           /* Descriptor operation lock */