media: staging/imx: Pass device to alloc/free_dma_buf

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Allocate and free a DMA coherent buffer in imx_media_alloc/free_dma_buf()
from the given device. This allows DMA alloc and free using a device
that is backed by real hardware, which for the imx5/6/7 CSI is the CSI
unit, and for the internal IPU sub-devices, is the parent IPU.

Signed-off-by: Steve Longerbeam <slongerbeam@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

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Steve Longerbeam 2019-05-10 17:50:06 -04:00 • committed by Mauro Carvalho Chehab

parent 6d01b7ff52

commit 34ff38745b

5 changed files with 22 additions and 23 deletions

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18

drivers/staging/media/imx/imx-ic-prpencvf.c

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6

drivers/staging/media/imx/imx-media-csi.c

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13

drivers/staging/media/imx/imx-media-utils.c

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4

drivers/staging/media/imx/imx-media.h

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4

drivers/staging/media/imx/imx7-media-csi.c

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