diff options
Diffstat (limited to 'drivers/dma/dw/platform.c')
| -rw-r--r-- | drivers/dma/dw/platform.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c index f01b2c173fa6..31ff8113c3de 100644 --- a/drivers/dma/dw/platform.c +++ b/drivers/dma/dw/platform.c @@ -162,6 +162,12 @@ dw_dma_parse_dt(struct platform_device *pdev) pdata->multi_block[tmp] = 1; } + if (!of_property_read_u32(np, "snps,dma-protection-control", &tmp)) { + if (tmp > CHAN_PROTCTL_MASK) + return NULL; + pdata->protctl = tmp; + } + return pdata; } #else |