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Commit 4f08df1b authored by Boris BREZILLON's avatar Boris BREZILLON Committed by Lee Jones
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mfd: Inherit coherent_dma_mask from parent device 



dma_mask and dma_parms are already inherited from the parent device but
dma_coherent_mask was left uninitialized (set to zero thanks to kzalloc).
Set sub-device coherent_dma_mask to its parent value to simplify
sub-drivers making use of dma coherent helper functions (those drivers
currently have to explicitly set the dma coherent mask using
dma_set_coherent_mask function).

Signed-off-by: default avatarBoris BREZILLON <boris.brezillon@free-electrons.com>
Acked-by: default avatarArnd Bergmann <arnd@arndb.de>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
parent ab27c447

drivers/mfd/mfd-core.c

+1 −0
Original line number Diff line number Diff line
@@ -101,6 +101,7 @@ static int mfd_add_device(struct device *parent, int id, 
	pdev->dev.type = &mfd_dev_type;

	pdev->dev.dma_mask = parent->dma_mask;

	pdev->dev.dma_parms = parent->dma_parms;

	pdev->dev.coherent_dma_mask = parent->coherent_dma_mask;



	ret = regulator_bulk_register_supply_alias(

			&pdev->dev, cell->parent_supplies,