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Subject[PATCH 7/8] dmaengine: sh: rcar-dmac: Let the core do the device node validation
Date
Let the DMA engine core do the device node validation instead of drivers.

Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
---
drivers/dma/sh/rcar-dmac.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/dma/sh/rcar-dmac.c b/drivers/dma/sh/rcar-dmac.c
index 2b4f256..9474d5b 100644
--- a/drivers/dma/sh/rcar-dmac.c
+++ b/drivers/dma/sh/rcar-dmac.c
@@ -1632,8 +1632,7 @@ 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);
@@ -1653,7 +1652,8 @@ 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;

--
1.7.9.5
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