diff options
| author | Baolin Wang <baolin.wang@linaro.org> | 2019-05-20 19:32:17 +0800 |
|---|---|---|
| committer | Vinod Koul <vkoul@kernel.org> | 2019-05-27 11:23:52 +0530 |
| commit | c88ba7b940f8ec9b50216a69db4ddfa1af58a98c (patch) | |
| tree | 55cbdba887bb4dbbedafee817886bb8475298f2a | |
| parent | 990c0b53bf6599a9c9c7df1529dde681dee6cf64 (diff) | |
dmaengine: dma-jz4780: 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>
| -rw-r--r-- | drivers/dma/dma-jz4780.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/dma/dma-jz4780.c b/drivers/dma/dma-jz4780.c index 02075417c69f..4064391ccc13 100644 --- a/drivers/dma/dma-jz4780.c +++ b/drivers/dma/dma-jz4780.c @@ -156,7 +156,6 @@ struct jz4780_dma_dev { }; struct jz4780_dma_filter_data { - struct device_node *of_node; uint32_t transfer_type; int channel; }; @@ -761,8 +760,6 @@ static bool jz4780_dma_filter_fn(struct dma_chan *chan, void *param) struct jz4780_dma_dev *jzdma = jz4780_dma_chan_parent(jzchan); struct jz4780_dma_filter_data *data = param; - if (jzdma->dma_device.dev->of_node != data->of_node) - return false; if (data->channel > -1) { if (data->channel != jzchan->id) @@ -786,7 +783,6 @@ static struct dma_chan *jz4780_of_dma_xlate(struct of_phandle_args *dma_spec, if (dma_spec->args_count != 2) return NULL; - data.of_node = ofdma->of_node; data.transfer_type = dma_spec->args[0]; data.channel = dma_spec->args[1]; @@ -811,7 +807,8 @@ static struct dma_chan *jz4780_of_dma_xlate(struct of_phandle_args *dma_spec, return dma_get_slave_channel( &jzdma->chan[data.channel].vchan.chan); } else { - return dma_request_channel(mask, jz4780_dma_filter_fn, &data); + return __dma_request_channel(&mask, jz4780_dma_filter_fn, &data, + ofdma->of_node); } } |