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[v2,10/26] dmaengine: dw-edma: Drop chancnt initialization

Message ID 20220503225104.12108-11-Sergey.Semin@baikalelectronics.ru (mailing list archive)
State Superseded
Headers show
Series dmaengine: dw-edma: Add RP/EP local DMA controllers support | expand

Commit Message

Serge Semin May 3, 2022, 10:50 p.m. UTC 
DMA device drivers aren't supposed to initialize the dma_device.chancnt
field. It will be done by the DMA-engine core in accordance with number of
added virtual DMA-channels. Pre-initializing it with some value causes
having a wrong number of channels printed in the device summary.

Fixes: e63d79d1ffcd ("dmaengine: Add Synopsys eDMA IP core driver")
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
 drivers/dma/dw-edma/dw-edma-core.c | 1 -
 1 file changed, 1 deletion(-)
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Patch

diff --git a/drivers/dma/dw-edma/dw-edma-core.c b/drivers/dma/dw-edma/dw-edma-core.c
index be466b781376..e9cb3056b6b7 100644
--- a/drivers/dma/dw-edma/dw-edma-core.c
+++ b/drivers/dma/dw-edma/dw-edma-core.c
@@ -823,7 +823,6 @@  static int dw_edma_channel_setup(struct dw_edma *dw, bool write,
 	dma->src_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
 	dma->dst_addr_widths = BIT(DMA_SLAVE_BUSWIDTH_4_BYTES);
 	dma->residue_granularity = DMA_RESIDUE_GRANULARITY_DESCRIPTOR;
-	dma->chancnt = cnt;
 
 	/* Set DMA channel callbacks */
 	dma->dev = chip->dev;