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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>
hifive-unleashed-5.1
Rafal Prylowski 2011-11-26 12:54:07 +02:00 committed by Vinod Koul
parent 02f88be948
commit b62cfc5e0e
1 changed files with 4 additions and 4 deletions
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8
drivers/dma/ep93xx_dma.c
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@ -459,10 +459,6 @@ static int m2m_hw_setup(struct ep93xx_dma_chan *edmac)
* This IDE part is totally untested. Values below are taken
* from the EP93xx Users's Guide and might not be correct.
*/
control |= M2M_CONTROL_NO_HDSK;
control |= M2M_CONTROL_RSS_IDE;
control |= M2M_CONTROL_PW_16;
if (data->direction == DMA_MEM_TO_DEV) {
/* Worst case from the UG */
control = (3 << M2M_CONTROL_PWSC_SHIFT);
@ -473,6 +469,10 @@ static int m2m_hw_setup(struct ep93xx_dma_chan *edmac)
control |= M2M_CONTROL_SAH;
control |= M2M_CONTROL_TM_RX;
}
control |= M2M_CONTROL_NO_HDSK;
control |= M2M_CONTROL_RSS_IDE;
control |= M2M_CONTROL_PW_16;
break;
default: