diff mbox series

[18/25] usb: musb/ux500: Use dma_request_chan() instead dma_request_slave_channel()

Message ID 20200115132547.364-19-b-liu@ti.com (mailing list archive)
State Mainlined
Commit b7962fb45f8fe0678b2d2eaa48382ea32fcf9400
Headers show
Series musb patches for v5.6-rc1 | expand

Commit Message

Bin Liu Jan. 15, 2020, 1:25 p.m. UTC 
From: Peter Ujfalusi <peter.ujfalusi@ti.com>

dma_request_slave_channel() is a wrapper on top of dma_request_chan()
eating up the error code.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Bin Liu <b-liu@ti.com>
---
 drivers/usb/musb/ux500_dma.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/drivers/usb/musb/ux500_dma.c b/drivers/usb/musb/ux500_dma.c
index d19bb3e89da6..d5cf5e8bb1ca 100644
--- a/drivers/usb/musb/ux500_dma.c
+++ b/drivers/usb/musb/ux500_dma.c
@@ -310,9 +310,9 @@  static int ux500_dma_controller_start(struct ux500_dma_controller *controller)
 			dma_channel->max_len = SZ_16M;
 
 			ux500_channel->dma_chan =
-				dma_request_slave_channel(dev, chan_names[ch_num]);
+				dma_request_chan(dev, chan_names[ch_num]);
 
-			if (!ux500_channel->dma_chan)
+			if (IS_ERR(ux500_channel->dma_chan))
 				ux500_channel->dma_chan =
 					dma_request_channel(mask,
 							    data ?