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authorBaolin Wang <baolin.wang@linaro.org>2019-05-20 19:32:20 +0800
committerVinod Koul <vkoul@kernel.org>2019-05-27 11:23:53 +0530
commit1dc1b29aa15ead508142bb109ef52686213d07f4 (patch)
tree69901719d98770328a55afceda3e1cc3ae568d42 /drivers/dma/sh
parentcaf5e3e6e14d0b7df5c404683ff5d4fce4733a99 (diff)
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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>
Diffstat (limited to 'drivers/dma/sh')
-rw-r--r--drivers/dma/sh/rcar-dmac.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c
index 33ab1b607e2b..67df54ac3294 100644
--- a/drivers/dma/sh/rcar-dmac.c
+++ b/drivers/dma/sh/rcar-dmac.c
@@ -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;