From 0e95fb9ceb82433f4f910d1cece0f4d6b0c25c51 Mon Sep 17 00:00:00 2001
From: Robert Jarzmik <rj@valbob.noip.me>
Date: Tue, 11 Aug 2015 22:16:32 +0200
Subject: [PATCH] dmaengine: pxa_dma: don't use config direction parameter
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>
---
drivers/dma/pxa_dma.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/dma/pxa_dma.c b/drivers/dma/pxa_dma.c
index ddcbbf5cd9e94..11290b8399757 100644
--- a/drivers/dma/pxa_dma.c
+++ b/drivers/dma/pxa_dma.c
@@ -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;
--
GitLab