OpenCloudOS-Kernel/drivers/media/pci/cx88
Marek Szyprowski f95fc014e0 media: pci: fix common ALSA DMA-mapping related codes
The Documentation/DMA-API-HOWTO.txt states that dma_map_sg returns the
numer of the created entries in the DMA address space. However the
subsequent calls to dma_sync_sg_for_{device,cpu} and dma_unmap_sg must be
called with the original number of entries passed to dma_map_sg. The
sg_table->nents in turn holds the result of the dma_map_sg call as stated
in include/linux/scatterlist.h. Adapt the code to obey those rules.

While touching this code, update it to use the modern DMA_FROM_DEVICE
definitions.

Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
2020-09-26 10:34:44 +02:00
..
Kconfig Revert "media: Kconfig: better support hybrid TV devices" 2020-04-14 11:00:30 +02:00
Makefile media: prefix header search paths with $(srctree)/ 2019-05-18 11:49:56 +09:00
cx88-alsa.c media: pci: fix common ALSA DMA-mapping related codes 2020-09-26 10:34:44 +02:00
cx88-blackbird.c media: media/pci: rename VFL_TYPE_GRABBER to _VIDEO 2020-02-24 16:53:50 +01:00
cx88-cards.c media: Use fallthrough pseudo-keyword 2020-08-29 08:35:27 +02:00
cx88-core.c media: pci: cx88: convert to use i2c_new_client_device() 2020-04-14 11:28:55 +02:00
cx88-dsp.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
cx88-dvb.c media: cx88: Add support for NotOnlyTV LV3H card 2019-10-10 07:17:19 -03:00
cx88-i2c.c media: add SPDX headers to some files 2019-06-12 11:42:27 -04:00
cx88-input.c media: rc: harmonize infrared durations to microseconds 2020-09-03 16:18:55 +02:00
cx88-mpeg.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
cx88-reg.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
cx88-tvaudio.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
cx88-vbi.c media: cx88: Get rid of spurious call to cx8800_start_vbi_dma() 2018-05-05 10:25:20 -04:00
cx88-video.c media: Use fallthrough pseudo-keyword 2020-08-29 08:35:27 +02:00
cx88-vp3054-i2c.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
cx88-vp3054-i2c.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 157 2019-05-30 11:26:37 -07:00
cx88.h media: cx88: Add support for NotOnlyTV LV3H card 2019-10-10 07:17:19 -03:00