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dmaengine: sh: usb-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>
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1 changed files with 2 additions and 4 deletions
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@ -636,9 +636,6 @@ static bool usb_dmac_chan_filter(struct dma_chan *chan, void *arg)
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struct usb_dmac_chan *uchan = to_usb_dmac_chan(chan);
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struct of_phandle_args *dma_spec = arg;
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if (dma_spec->np != chan->device->dev->of_node)
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return false;
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/* USB-DMAC should be used with fixed usb controller's FIFO */
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if (uchan->index != dma_spec->args[0])
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return false;
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@ -659,7 +656,8 @@ static struct dma_chan *usb_dmac_of_xlate(struct of_phandle_args *dma_spec,
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dma_cap_zero(mask);
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dma_cap_set(DMA_SLAVE, mask);
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chan = dma_request_channel(mask, usb_dmac_chan_filter, dma_spec);
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chan = __dma_request_channel(&mask, usb_dmac_chan_filter, dma_spec,
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ofdma->of_node);
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if (!chan)
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return NULL;
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