2022-03-28 22:08:13

by Serge Semin

[permalink] [raw]
Subject: [PATCH 11/25] dmaengine: dw-edma: Drop chancnt initialization

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 <[email protected]>
---
drivers/dma/dw-edma/dw-edma-core.c | 1 -
1 file changed, 1 deletion(-)

diff --git a/drivers/dma/dw-edma/dw-edma-core.c b/drivers/dma/dw-edma/dw-edma-core.c
index 418b201fef67..cefa73412bf7 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_chip *chip, 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;
--
2.35.1