mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-11-11 21:38:32 +08:00
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>
This commit is contained in:
parent
02f88be948
commit
b62cfc5e0e
@ -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:
|
||||
|
Loading…
Reference in New Issue
Block a user