diff options
Diffstat (limited to 'drivers/of/platform.c')
| -rw-r--r-- | drivers/of/platform.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/of/platform.c b/drivers/of/platform.c index 6925d993e1f0..6c59673933e9 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -185,6 +185,9 @@ static struct platform_device *of_platform_device_create_pdata( if (!dev) goto err_clear_flag; + dev->dev.coherent_dma_mask = DMA_BIT_MASK(32); + if (!dev->dev.dma_mask) + dev->dev.dma_mask = &dev->dev.coherent_dma_mask; dev->dev.bus = &platform_bus_type; dev->dev.platform_data = platform_data; of_msi_configure(&dev->dev, dev->dev.of_node); @@ -238,6 +241,10 @@ static struct amba_device *of_amba_device_create(struct device_node *node, if (!dev) goto err_clear_flag; + /* AMBA devices only support a single DMA mask */ + dev->dev.coherent_dma_mask = DMA_BIT_MASK(32); + dev->dev.dma_mask = &dev->dev.coherent_dma_mask; + /* setup generic device info */ dev->dev.of_node = of_node_get(node); dev->dev.fwnode = &node->fwnode; |