diff options
Diffstat (limited to 'drivers/dma')
| -rw-r--r-- | drivers/dma/ste_dma40.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index ae462d352110..4e528dd30ad5 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -3482,7 +3482,7 @@ static int __init d40_of_probe(struct platform_device *pdev, struct device_node *np) { struct stedma40_platform_data *pdata; - int num_memcpy = 0; + int num_phy = 0, num_memcpy = 0; const const __be32 *list; pdata = devm_kzalloc(&pdev->dev, @@ -3491,6 +3491,11 @@ static int __init d40_of_probe(struct platform_device *pdev, if (!pdata) return -ENOMEM; + /* If absent this value will be obtained from h/w. */ + of_property_read_u32(np, "dma-channels", &num_phy); + if (num_phy > 0) + pdata->num_of_phy_chans = num_phy; + list = of_get_property(np, "memcpy-channels", &num_memcpy); num_memcpy /= sizeof(*list); |