dmaengine: edma: Check the current decriptor first in tx_status()
authorThomas Gleixner <tglx@linutronix.de>
Mon, 28 Apr 2014 19:19:51 +0000 (14:19 -0500)
committerVinod Koul <vinod.koul@intel.com>
Wed, 30 Apr 2014 05:02:15 +0000 (10:32 +0530)
commitde135939716dcdc8a6ea62e9228feb2eec0fca11
treeaf4c1aec22c4e52377ea47cdb88ba4da62d3577e
parentb6205c39011e52e2f7983c3dba01ee51524ae29c
dmaengine: edma: Check the current decriptor first in tx_status()

It's likely that the caller investigates the status of a currently
active descriptor. Make that simple check first and only rumage in the
vchan list if that fails.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
drivers/dma/edma.c