[PATCH v2 7/8] dmaengine: sh: rcar-dmac: Let the core do the device node validation
From: Baolin Wang <hidden>
Date: 2019-05-20 11:33:10
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/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 33ab1b6..67df54a 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;
--
1.7.9.5
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