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authorPeter Ujfalusi <peter.ujfalusi@ti.com>2020-01-15 07:25:40 -0600
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2020-01-15 14:46:58 +0100
commitb7962fb45f8fe0678b2d2eaa48382ea32fcf9400 (patch)
tree1de09349f395f8f9a6206ed2813367e6d54cdfb0 /drivers/usb
parent3709ff5dc35203c5e93424941fa660e770a1e728 (diff)
downloadlinux-b7962fb45f8fe0678b2d2eaa48382ea32fcf9400.tar.bz2
usb: musb/ux500: Use dma_request_chan() instead dma_request_slave_channel()
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> Link: https://lore.kernel.org/r/20200115132547.364-19-b-liu@ti.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/musb/ux500_dma.c4
1 files changed, 2 insertions, 2 deletions
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 ?