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authorSergey Senozhatsky <sergey.senozhatsky@gmail.com>2020-09-11 06:07:58 +0300
committerMauro Carvalho Chehab <mchehab+huawei@kernel.org>2020-09-14 16:28:06 +0300
commit129134e5415d46f38b9978b3809af94ed649b57d (patch)
tree2024ff46ccc7024e47a7f7e66f201dbf6f3ee068 /drivers/media/cec
parent288eceb0858323d66bff03cf386630a797b248ad (diff)
downloadlinux-129134e5415d46f38b9978b3809af94ed649b57d.tar.xz
media: media/v4l2: remove V4L2_FLAG_MEMORY_NON_CONSISTENT flag
The patch partially reverts some of the UAPI bits of the buffer cache management hints. Namely, the queue consistency (memory coherency) user-space hint because, as it turned out, the kernel implementation of this feature was misusing DMA_ATTR_NON_CONSISTENT. The patch reverts both kernel and user space parts: removes the DMA consistency attr functions, rolls back changes to v4l2_requestbuffers, v4l2_create_buffers structures and corresponding UAPI functions (plus compat32 layer) and cleans up the documentation. [hverkuil: fixed a few typos in the commit log] [hverkuil: fixed vb2_core_reqbufs call in drivers/media/dvb-core/dvb_vb2.c] [mchehab: fixed a typo in the commit log: revers->reverts] Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media/cec')
0 files changed, 0 insertions, 0 deletions