[PATCH] ata: pata_pxa: convert not to use dma_request_slave_channel()

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dma_request_slave_channel() is deprecated. dma_request_chan() should
be used directly instead.

Switch to the preferred function and update the error handling accordingly.

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
 drivers/ata/pata_pxa.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/ata/pata_pxa.c b/drivers/ata/pata_pxa.c
index 5275c6464f57..0c9c9cf63d36 100644
--- a/drivers/ata/pata_pxa.c
+++ b/drivers/ata/pata_pxa.c
@@ -274,9 +274,8 @@ static int pxa_ata_probe(struct platform_device *pdev)
 	/*
 	 * Request the DMA channel
 	 */
-	data->dma_chan =
-		dma_request_slave_channel(&pdev->dev, "data");
-	if (!data->dma_chan)
+	data->dma_chan = dma_request_chan(&pdev->dev, "data");
+	if (IS_ERR(data->dma_chan))
 		return -EBUSY;
 	ret = dmaengine_slave_config(data->dma_chan, &config);
 	if (ret < 0) {
-- 
2.34.1





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