[PATCH v2 8/8] dmaengine: sh: usb-dmac: Let the core do the device node validation
From: Baolin Wang <hidden>
Date: 2019-05-20 11:33:13
Also in:
dmaengine, linux-tegra, lkml
Subsystem:
dma generic offload engine subsystem, the rest · Maintainers:
Vinod Koul, Linus Torvalds
Let the DMA engine core do the device node validation instead of drivers. Signed-off-by: Baolin Wang <redacted> --- drivers/dma/sh/usb-dmac.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-)
diff --git a/drivers/dma/sh/usb-dmac.c b/drivers/dma/sh/usb-dmac.c
index 59403f6..0afabf3 100644
--- a/drivers/dma/sh/usb-dmac.c
+++ b/drivers/dma/sh/usb-dmac.c@@ -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;
--
1.7.9.5
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