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dmaengine: pxa_dma: don't use config direction parameter

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Don't use the direction passed in the configuration, and rely on each
transfer's direction to prepare the transfers. This will enable
future removal of direction parameter from dma_slave_config.

Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
This commit is contained in:
Robert Jarzmik 2015-08-11 22:16:32 +02:00 committed by Vinod Koul
parent 272420214d
commit 0e95fb9ceb
1 changed files with 3 additions and 3 deletions
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6
drivers/dma/pxa_dma.c
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@ -906,21 +906,21 @@ static void pxad_get_config(struct pxad_chan *chan,
enum dma_slave_buswidth width = DMA_SLAVE_BUSWIDTH_UNDEFINED;
*dcmd = 0;
if (chan->cfg.direction == DMA_DEV_TO_MEM) {
if (dir == DMA_DEV_TO_MEM) {
maxburst = chan->cfg.src_maxburst;
width = chan->cfg.src_addr_width;
dev_addr = chan->cfg.src_addr;
*dev_src = dev_addr;
*dcmd |= PXA_DCMD_INCTRGADDR | PXA_DCMD_FLOWSRC;
}
if (chan->cfg.direction == DMA_MEM_TO_DEV) {
if (dir == DMA_MEM_TO_DEV) {
maxburst = chan->cfg.dst_maxburst;
width = chan->cfg.dst_addr_width;
dev_addr = chan->cfg.dst_addr;
*dev_dst = dev_addr;
*dcmd |= PXA_DCMD_INCSRCADDR | PXA_DCMD_FLOWTRG;
}
if (chan->cfg.direction == DMA_MEM_TO_MEM)
if (dir == DMA_MEM_TO_MEM)
*dcmd |= PXA_DCMD_BURST32 | PXA_DCMD_INCTRGADDR |
PXA_DCMD_INCSRCADDR;