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media: rcar_drif: Do not print error in case of EPROBE_DEFER for dma channel 

If the dma channel request error code is EPROBE_DEFER there is no need to
print error message.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Peter Ujfalusi 2020-02-26 11:14:20 +01:00 committed by Mauro Carvalho Chehab
parent d737e7fe4c
commit 1b73c0fffb
1 changed files with 5 additions and 1 deletions
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6
drivers/media/platform/rcar_drif.c
View File

@ -277,8 +277,12 @@ static int rcar_drif_alloc_dmachannels(struct rcar_drif_sdr *sdr)
ch->dmach = dma_request_chan(&ch->pdev->dev, "rx");
if (IS_ERR(ch->dmach)) {
rdrif_err(sdr, "ch%u: dma channel req failed\n", i);
ret = PTR_ERR(ch->dmach);
if (ret != -EPROBE_DEFER)
rdrif_err(sdr,
"ch%u: dma channel req failed: %pe\n",
i, ch->dmach);
ch->dmach = NULL;
goto dmach_error;
}