[PATCH v2 1/1] mfd: stm32-timers: Use dmaengine_desc_set_callback()

[Frank . Li]

From: Frank Li <Frank.Li@xxxxxxx>

Replace open-coded assignments to callback and callback_param fields
of struct dma_async_tx_descriptor with a call to the
dmaengine_desc_set_callback() helper.

No functional change intended. Prepare make to struct
dma_async_tx_descriptor private to the DMA engine.

Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
---
change in v2
- Capitalize description at subject
---
 drivers/mfd/stm32-timers.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/mfd/stm32-timers.c b/drivers/mfd/stm32-timers.c
index b3dbc02aaf798..4f344f2a5a26c 100644
--- a/drivers/mfd/stm32-timers.c
+++ b/drivers/mfd/stm32-timers.c
@@ -102,8 +102,7 @@ int stm32_timers_dma_burst_read(struct device *dev, u32 *buf,
 		goto unmap;
 	}
 
-	desc->callback = stm32_timers_dma_done;
-	desc->callback_param = dma;
+	dmaengine_desc_set_callback(desc, stm32_timers_dma_done, NULL, dma);
 	cookie = dmaengine_submit(desc);
 	ret = dma_submit_error(cookie);
 	if (ret)
-- 
2.43.0