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Commit c54d8664 authored by Baolin Wang's avatar Baolin Wang Committed by Vinod Koul
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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: default avatarBaolin Wang <baolin.wang@linaro.org>
Signed-off-by: default avatarVinod Koul <vkoul@kernel.org>
parent 1dc1b29a

drivers/dma/sh/usb-dmac.c

+2 −4
Original line number Diff line number Diff line
@@ -636,9 +636,6 @@ static bool usb_dmac_chan_filter(struct dma_chan *chan, void *arg) 
	struct usb_dmac_chan *uchan = to_usb_dmac_chan(chan);

	struct of_phandle_args *dma_spec = arg;



	if (dma_spec->np != chan->device->dev->of_node)

		return false;



	/* USB-DMAC should be used with fixed usb controller's FIFO */

	if (uchan->index != dma_spec->args[0])

		return false;
@@ -659,7 +656,8 @@ static struct dma_chan *usb_dmac_of_xlate(struct of_phandle_args *dma_spec, 
	dma_cap_zero(mask);

	dma_cap_set(DMA_SLAVE, mask);



	chan = dma_request_channel(mask, usb_dmac_chan_filter, dma_spec);

	chan = __dma_request_channel(&mask, usb_dmac_chan_filter, dma_spec,

				     ofdma->of_node);

	if (!chan)

		return NULL;