diff options
Diffstat (limited to 'drivers/dma/mmp_pdma.c')
| -rw-r--r-- | drivers/dma/mmp_pdma.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/drivers/dma/mmp_pdma.c b/drivers/dma/mmp_pdma.c index a23563cd118b..e8d71b35593e 100644 --- a/drivers/dma/mmp_pdma.c +++ b/drivers/dma/mmp_pdma.c @@ -727,12 +727,6 @@ static int mmp_pdma_config_write(struct dma_chan *dchan, chan->dir = direction; chan->dev_addr = addr; - /* FIXME: drivers should be ported over to use the filter - * function. Once that's done, the following two lines can - * be removed. - */ - if (cfg->slave_id) - chan->drcmr = cfg->slave_id; return 0; } @@ -1049,13 +1043,17 @@ static int mmp_pdma_probe(struct platform_device *op) return PTR_ERR(pdev->base); of_id = of_match_device(mmp_pdma_dt_ids, pdev->dev); - if (of_id) - of_property_read_u32(pdev->dev->of_node, "#dma-channels", - &dma_channels); - else if (pdata && pdata->dma_channels) + if (of_id) { + /* Parse new and deprecated dma-channels properties */ + if (of_property_read_u32(pdev->dev->of_node, "dma-channels", + &dma_channels)) + of_property_read_u32(pdev->dev->of_node, "#dma-channels", + &dma_channels); + } else if (pdata && pdata->dma_channels) { dma_channels = pdata->dma_channels; - else + } else { dma_channels = 32; /* default 32 channel */ + } pdev->dma_channels = dma_channels; for (i = 0; i < dma_channels; i++) { |