[media] vb2: Provide helpers for mapping virtual addresses

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Provide simple helper functions to map virtual address range into an
array of pfns / pages.

Tested-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Jan Kara <jack@suse.cz>
Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

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Jan Kara 2015-07-13 11:55:46 -03:00 • committed by Mauro Carvalho Chehab

parent 8a677b6edd

commit 21fb0cb7ec

3 changed files with 64 additions and 0 deletions

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1

drivers/media/v4l2-core/Kconfig

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58

drivers/media/v4l2-core/videobuf2-memops.c

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5

include/media/videobuf2-memops.h

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