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Commit b62cfc5e authored by Rafal Prylowski's avatar Rafal Prylowski Committed by Vinod Koul
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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: default avatarRafal Prylowski <prylowski@metasoft.pl>
Signed-off-by: default avatarMika Westerberg <mika.westerberg@iki.fi>
Acked-by: default avatarH Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@linux.intel.com>
parent 02f88be9

drivers/dma/ep93xx_dma.c

+4 −4
Original line number Diff line number Diff line
@@ -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: