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| author | Rob Herring <rob.herring@calxeda.com> | 2013-10-29 23:36:46 -0500 |
|---|---|---|
| committer | Rob Herring <rob.herring@calxeda.com> | 2013-11-03 14:16:49 -0600 |
| commit | 0589342c27944e50ebd7a54f5215002b6598b748 (patch) | |
| tree | 93ad000060b521fce1df0820e228a3fc7776fca0 | |
| parent | 13ccacd5945aa5ce81d8566f57587e95fbd90742 (diff) | |
| download | lwn-0589342c27944e50ebd7a54f5215002b6598b748.tar.gz lwn-0589342c27944e50ebd7a54f5215002b6598b748.zip | |
of: set dma_mask to point to coherent_dma_mask
Platform devices created by DT code don't initialize dma_mask pointer to
anything. Set it to coherent_dma_mask by default if the architecture
code has not set it.
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
| -rw-r--r-- | drivers/of/platform.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/of/platform.c b/drivers/of/platform.c index 9b439ac63d8e..c005495fa382 100644 --- a/drivers/of/platform.c +++ b/drivers/of/platform.c @@ -216,6 +216,8 @@ static struct platform_device *of_platform_device_create_pdata( dev->archdata.dma_mask = 0xffffffffUL; #endif 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; |