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authorRafal Prylowski <prylowski@metasoft.pl>2011-11-26 05:54:07 -0500
committerVinod Koul <vinod.koul@linux.intel.com>2011-12-04 21:44:57 -0500
commitb62cfc5e0e59d1e0192105144b724b0c332720a0 (patch)
treeb66c73f97de0b6ad0f5331960486d59e7cfbb1ca /drivers/dma
parent02f88be9488a3d831f073c1161b1e5feacb9d3ec (diff)
dma/ep93xx_dma: fix initialization of M2M control register
Setting the flags in case of IDE didn't have any effect since the control register is overwritten few lines below. So move these to be after the control register is initialized. Signed-off-by: Rafal Prylowski <prylowski@metasoft.pl> Signed-off-by: Mika Westerberg <mika.westerberg@iki.fi> Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com> Signed-off-by: Vinod Koul <vinod.koul@linux.intel.com>
Diffstat (limited to 'drivers/dma')
-rw-r--r--drivers/dma/ep93xx_dma.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/dma/ep93xx_dma.c b/drivers/dma/ep93xx_dma.c
index 009851b2aeea..526a7424f6a9 100644
--- a/drivers/dma/ep93xx_dma.c
+++ b/drivers/dma/ep93xx_dma.c
@@ -459,10 +459,6 @@ static int m2m_hw_setup(struct ep93xx_dma_chan *edmac)
459 * This IDE part is totally untested. Values below are taken 459 * This IDE part is totally untested. Values below are taken
460 * from the EP93xx Users's Guide and might not be correct. 460 * from the EP93xx Users's Guide and might not be correct.
461 */ 461 */
462 control |= M2M_CONTROL_NO_HDSK;
463 control |= M2M_CONTROL_RSS_IDE;
464 control |= M2M_CONTROL_PW_16;
465
466 if (data->direction == DMA_MEM_TO_DEV) { 462 if (data->direction == DMA_MEM_TO_DEV) {
467 /* Worst case from the UG */ 463 /* Worst case from the UG */
468 control = (3 << M2M_CONTROL_PWSC_SHIFT); 464 control = (3 << M2M_CONTROL_PWSC_SHIFT);
@@ -473,6 +469,10 @@ static int m2m_hw_setup(struct ep93xx_dma_chan *edmac)
473 control |= M2M_CONTROL_SAH; 469 control |= M2M_CONTROL_SAH;
474 control |= M2M_CONTROL_TM_RX; 470 control |= M2M_CONTROL_TM_RX;
475 } 471 }
472
473 control |= M2M_CONTROL_NO_HDSK;
474 control |= M2M_CONTROL_RSS_IDE;
475 control |= M2M_CONTROL_PW_16;
476 break; 476 break;
477 477
478 default: 478 default: