diff options
| author | Baolin Wang <baolin.wang@linaro.org> | 2019-05-20 14:32:19 +0300 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2019-05-27 08:53:52 +0300 |
| commit | caf5e3e6e14d0b7df5c404683ff5d4fce4733a99 (patch) | |
| tree | 6a25b4dcd8dc7fc5acdd1b22abf1ca5492f07368 /drivers/dma/mxs-dma.c | |
| parent | 1d967195fd456ae0e5425ee39611455de32dc9de (diff) | |
| download | linux-caf5e3e6e14d0b7df5c404683ff5d4fce4733a99.tar.xz | |
dmaengine: mxs-dma: 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>
Diffstat (limited to 'drivers/dma/mxs-dma.c')
| -rw-r--r-- | drivers/dma/mxs-dma.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/dma/mxs-dma.c b/drivers/dma/mxs-dma.c index 22cc7f68ef6e..8ce5e790352f 100644 --- a/drivers/dma/mxs-dma.c +++ b/drivers/dma/mxs-dma.c @@ -716,7 +716,6 @@ err_out: } struct mxs_dma_filter_param { - struct device_node *of_node; unsigned int chan_id; }; @@ -727,9 +726,6 @@ static bool mxs_dma_filter_fn(struct dma_chan *chan, void *fn_param) struct mxs_dma_engine *mxs_dma = mxs_chan->mxs_dma; int chan_irq; - if (mxs_dma->dma_device.dev->of_node != param->of_node) - return false; - if (chan->chan_id != param->chan_id) return false; @@ -752,13 +748,13 @@ static struct dma_chan *mxs_dma_xlate(struct of_phandle_args *dma_spec, if (dma_spec->args_count != 1) return NULL; - param.of_node = ofdma->of_node; param.chan_id = dma_spec->args[0]; if (param.chan_id >= mxs_dma->nr_channels) return NULL; - return dma_request_channel(mask, mxs_dma_filter_fn, ¶m); + return __dma_request_channel(&mask, mxs_dma_filter_fn, ¶m, + ofdma->of_node); } static int __init mxs_dma_probe(struct platform_device *pdev) |