| Message ID | 20191217104025.23318-1-peter.ujfalusi@ti.com |
|---|---|
| State | Accepted |
| Commit | 1b5482e0d2680da7202d29013f6b5aa5e203046f |
| Headers | show |
| Series | media: rcar_drif: Use dma_request_chan() instead dma_request_slave_channel() | expand |
diff --git a/drivers/media/platform/rcar_drif.c b/drivers/media/platform/rcar_drif.c index 0f267a237b42..02ee0e2a09e9 100644 --- a/drivers/media/platform/rcar_drif.c +++ b/drivers/media/platform/rcar_drif.c @@ -275,10 +275,10 @@ static int rcar_drif_alloc_dmachannels(struct rcar_drif_sdr *sdr) for_each_rcar_drif_channel(i, &sdr->cur_ch_mask) { struct rcar_drif *ch = sdr->ch[i]; - ch->dmach = dma_request_slave_channel(&ch->pdev->dev, "rx"); - if (!ch->dmach) { + 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 = -ENODEV; + ret = PTR_ERR(ch->dmach); goto dmach_error; }
dma_request_slave_channel() is a wrapper on top of dma_request_chan() eating up the error code. By using dma_request_chan() directly the driver can support deferred probing against DMA. Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com> --- drivers/media/platform/rcar_drif.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) -- Peter Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki