Commit f5ea7ad2 authored Nov 04, 2015 by Dan Carpenter Committed by Vinod Koul Nov 16, 2015

dmaengine: edma: predecence bug in GET_NUM_QDMACH()



The current code uses bits 0-2 instead of 4-6 as the comment says.

Fixes: 633e42b8 ('dmaengine: edma: Get qDMA channel information from HW also')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>

parent 638bdc8c

drivers/dma/edma.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -107,7 +107,7 @@

		/* CCCFG register */
		#define GET_NUM_DMACH(x) (x & 0x7) /* bits 0-2 */
		#define GET_NUM_QDMACH(x) (x & 0x70 >> 4) /* bits 4-6 */
		#define GET_NUM_QDMACH(x) ((x & 0x70) >> 4) /* bits 4-6 */
		#define GET_NUM_PAENTRY(x) ((x & 0x7000) >> 12) /* bits 12-14 */
		#define GET_NUM_EVQUE(x) ((x & 0x70000) >> 16) /* bits 16-18 */
		#define GET_NUM_REGN(x) ((x & 0x300000) >> 20) /* bits 20-21 */