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dmaengine: sh: rcar-dmac: Let the core do the device node validation 

Let the DMA engine core do the device node validation instead of drivers.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
alistair/sunxi64-5.4-dsi
Baolin Wang 2019-05-20 19:32:20 +08:00 committed by Vinod Koul
parent caf5e3e6e1
commit 1dc1b29aa1
1 changed files with 3 additions and 3 deletions
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6
drivers/dma/sh/rcar-dmac.c
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@ -1654,8 +1654,7 @@ static bool rcar_dmac_chan_filter(struct dma_chan *chan, void *arg)
* Forcing it to call dma_request_channel() and iterate through all
* channels from all controllers is just pointless.
*/
if (chan->device->device_config != rcar_dmac_device_config ||
dma_spec->np != chan->device->dev->of_node)
if (chan->device->device_config != rcar_dmac_device_config)
return false;
return !test_and_set_bit(dma_spec->args[0], dmac->modules);
@ -1675,7 +1674,8 @@ static struct dma_chan *rcar_dmac_of_xlate(struct of_phandle_args *dma_spec,
dma_cap_zero(mask);
dma_cap_set(DMA_SLAVE, mask);
chan = dma_request_channel(mask, rcar_dmac_chan_filter, dma_spec);
chan = __dma_request_channel(&mask, rcar_dmac_chan_filter, dma_spec,
ofdma->of_node);
if (!chan)
return NULL;