[PATCH v2 8/8] crypto: atmel: Use dmaengine_prep_config_single() API

Frank Li
2025-12-18T15:57:35Z

Using new API dmaengine_prep_config_single() to simple code.

No functional change.

Tested-by: Niklas Cassel <cassel@kernel.org>
Signed-off-by: Frank Li <Frank.Li@nxp.com>
---
drivers/crypto/atmel-aes.c | 10 +++-------
1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/crypto/atmel-aes.c b/drivers/crypto/atmel-aes.c
index 3a2684208dda9ee45d71b4bc2958be293a4fb6fe..e300672ffd7185b0f5bf356c2376681537047def 100644
--- a/drivers/crypto/atmel-aes.c
+++ b/drivers/crypto/atmel-aes.c
@@ -795,7 +795,6 @@ static int atmel_aes_dma_transfer_start(struct atmel_aes_dev *dd,
struct dma_slave_config config;
dma_async_tx_callback callback;
struct atmel_aes_dma *dma;
- int err;

memset(&config, 0, sizeof(config));
config.src_addr_width = addr_width;
@@ -820,12 +819,9 @@ static int atmel_aes_dma_transfer_start(struct atmel_aes_dev *dd,
return -EINVAL;
}

- err = dmaengine_slave_config(dma->chan, &config);
- if (err)
- return err;
-
- desc = dmaengine_prep_slave_sg(dma->chan, dma->sg, dma->sg_len, dir,
- DMA_PREP_INTERRUPT | DMA_CTRL_ACK);
+ desc = dmaengine_prep_config_sg(dma->chan, dma->sg, dma->sg_len, dir,
+ DMA_PREP_INTERRUPT | DMA_CTRL_ACK,
+ &config);
if (!desc)
return -ENOMEM;

--
2.34.1