[PATCH v2 03/11] dmaengine: dw-axi-dmac: remove unnecessary axi_dma_enable() calling

Jisheng Zhang posted 11 patches 2 years, 8 months ago
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[PATCH v2 03/11] dmaengine: dw-axi-dmac: remove unnecessary axi_dma_enable() calling
Posted by Jisheng Zhang 2 years, 8 months ago
The dma is enabled, I.E runtime resumed during chan allocation, and
is disable, I.E runtime suspended during chan free. So when starting
xfer, we are sure the dma is enabled.

Signed-off-by: Jisheng Zhang <jszhang@kernel.org>
---
 drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
index 56f12dfa410d..891776528619 100644
--- a/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
+++ b/drivers/dma/dw-axi-dmac/dw-axi-dmac-platform.c
@@ -382,8 +382,6 @@ static void axi_chan_block_xfer_start(struct axi_dma_chan *chan,
 		return;
 	}
 
-	axi_dma_enable(chan->chip);
-
 	config.dst_multblk_type = DWAXIDMAC_MBLK_TYPE_LL;
 	config.src_multblk_type = DWAXIDMAC_MBLK_TYPE_LL;
 	config.tt_fc = DWAXIDMAC_TT_FC_MEM_TO_MEM_DMAC;
-- 
2.39.2