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| author | Benedikt Spranger | 2013-08-13 11:08:38 +0200 |
|---|---|---|
| committer | Lee Jones | 2013-08-14 19:55:38 +0200 |
| commit | b018e1361bad361b47294fd09ae1f33f707dd933 (patch) | |
| tree | 50ee1c1a6d002619a8cbb7c805431e9fdd89432c /drivers/mfd/mfd-core.c | |
| parent | mfd: tps65010: Use power efficient workqueue for power polling (diff) | |
| download | kernel-qcow2-linux-b018e1361bad361b47294fd09ae1f33f707dd933.tar.gz kernel-qcow2-linux-b018e1361bad361b47294fd09ae1f33f707dd933.tar.xz kernel-qcow2-linux-b018e1361bad361b47294fd09ae1f33f707dd933.zip | |
mfd: core: Copy DMA mask and params from parent
The child device intends to perform DMA operations then it needs a dma
mask and params set. This patches copies them from the parent device.
Signed-off-by: Benedikt Spranger <b.spranger@linutronix.de>
Signed-off-by: Holger Dengler <dengler@linutronix.de>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd/mfd-core.c')
| -rw-r--r-- | drivers/mfd/mfd-core.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index 7604f4e5df40..f421586f29fb 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -96,6 +96,8 @@ static int mfd_add_device(struct device *parent, int id, pdev->dev.parent = parent; pdev->dev.type = &mfd_dev_type; + pdev->dev.dma_mask = parent->dma_mask; + pdev->dev.dma_parms = parent->dma_parms; if (parent->of_node && cell->of_compatible) { for_each_child_of_node(parent->of_node, np) { |