It was <2022-03-14 pon 17:35>, when Mauro Carvalho Chehab wrote: > media Kconfig has two entries associated to V4L API: > VIDEO_DEV and VIDEO_V4L2. > > On Kernel 2.6.x, there were two V4L APIs, each one with its own flag. > VIDEO_DEV were meant to: > 1) enable Video4Linux and make its Kconfig options to appear; > 2) it makes the Kernel build the V4L core. > > while VIDEO_V4L2 where used to distinguish between drivers that > implement the newer API and drivers that implemented the former one. > > With time, such meaning changed, specially after the removal of > all V4L version 1 drivers. > > At the current implementation, VIDEO_DEV only does (1): it enables > the media options related to V4L, that now has: > > menu "Video4Linux options" > visible if VIDEO_DEV > > source "drivers/media/v4l2-core/Kconfig" > endmenu > > but it doesn't affect anymore the V4L core drivers. > > The rationale is that the V4L2 core has a "soft" dependency > at the I2C bus, and now requires to select a number of other > Kconfig options: > > config VIDEO_V4L2 > tristate > depends on (I2C || I2C=n) && VIDEO_DEV > select RATIONAL > select VIDEOBUF2_V4L2 if VIDEOBUF2_CORE > default (I2C || I2C=n) && VIDEO_DEV > > In the past, merging them would be tricky, but it seems that it is now > possible to merge those symbols, in order to simplify V4L dependencies. > > Let's keep VIDEO_DEV, as this one is used on some make *defconfig > configurations. > > Suggested-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > Reviewed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx> > Reviewed-by: Jacopo Mondi <jacopo@xxxxxxxxxx> > Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxx> > --- > > To avoid mailbombing on a large number of people, only mailing lists were C/C on the cover. > See [PATCH v2 00/67] at: https://lore.kernel.org/all/cover.1647274406.git.mchehab@xxxxxxxxxx/ > > drivers/input/rmi4/Kconfig | 2 +- > drivers/input/touchscreen/Kconfig | 4 +- > drivers/media/Kconfig | 3 + > drivers/media/common/saa7146/Kconfig | 2 +- > drivers/media/dvb-core/Kconfig | 2 +- > drivers/media/dvb-frontends/Kconfig | 4 +- > drivers/media/i2c/Kconfig | 250 +++++++++--------- > drivers/media/i2c/ccs/Kconfig | 2 +- > drivers/media/i2c/cx25840/Kconfig | 2 +- > drivers/media/i2c/et8ek8/Kconfig | 2 +- > drivers/media/i2c/m5mols/Kconfig | 2 +- > drivers/media/pci/Kconfig | 2 +- > drivers/media/pci/bt8xx/Kconfig | 2 +- > drivers/media/pci/cobalt/Kconfig | 2 +- > drivers/media/pci/cx18/Kconfig | 2 +- > drivers/media/pci/dt3155/Kconfig | 2 +- > drivers/media/pci/intel/ipu3/Kconfig | 2 +- > drivers/media/pci/ivtv/Kconfig | 2 +- > drivers/media/pci/meye/Kconfig | 2 +- > drivers/media/pci/saa7146/Kconfig | 6 +- > drivers/media/pci/sta2x11/Kconfig | 2 +- > drivers/media/pci/tw5864/Kconfig | 2 +- > drivers/media/pci/tw68/Kconfig | 2 +- > drivers/media/pci/tw686x/Kconfig | 2 +- > drivers/media/platform/Kconfig | 6 +- > drivers/media/platform/allegro-dvt/Kconfig | 2 +- > .../platform/allwinner/sun4i-csi/Kconfig | 2 +- > .../platform/allwinner/sun6i-csi/Kconfig | 2 +- > .../media/platform/allwinner/sun8i-di/Kconfig | 2 +- > .../platform/allwinner/sun8i-rotate/Kconfig | 2 +- > .../media/platform/amlogic/meson-ge2d/Kconfig | 2 +- > drivers/media/platform/amphion/Kconfig | 1 - > drivers/media/platform/aspeed/Kconfig | 2 +- > drivers/media/platform/atmel/Kconfig | 8 +- > drivers/media/platform/cadence/Kconfig | 4 +- > drivers/media/platform/chips-media/Kconfig | 2 +- > drivers/media/platform/intel/Kconfig | 2 +- > drivers/media/platform/marvell/Kconfig | 4 +- > .../media/platform/mediatek/mtk-jpeg/Kconfig | 2 +- > .../media/platform/mediatek/mtk-mdp/Kconfig | 2 +- > .../platform/mediatek/mtk-vcodec/Kconfig | 2 +- > .../media/platform/mediatek/mtk-vpu/Kconfig | 2 +- > .../media/platform/nvidia/tegra-vde/Kconfig | 2 +- > drivers/media/platform/nxp/Kconfig | 6 +- > drivers/media/platform/nxp/imx-jpeg/Kconfig | 2 +- > drivers/media/platform/qcom/camss/Kconfig | 2 +- > drivers/media/platform/qcom/venus/Kconfig | 2 +- > drivers/media/platform/renesas/Kconfig | 30 +-- > .../media/platform/renesas/rcar-vin/Kconfig | 4 +- > drivers/media/platform/rockchip/rga/Kconfig | 2 +- > .../media/platform/rockchip/rkisp1/Kconfig | 2 +- > .../media/platform/samsung/exynos-gsc/Kconfig | 2 +- > .../media/platform/samsung/exynos4-is/Kconfig | 2 +- > .../media/platform/samsung/s3c-camif/Kconfig | 2 +- > .../media/platform/samsung/s5p-g2d/Kconfig | 2 +- > .../media/platform/samsung/s5p-jpeg/Kconfig | 2 +- > .../media/platform/samsung/s5p-mfc/Kconfig | 2 +- > drivers/media/platform/stm/sti/bdisp/Kconfig | 2 +- > drivers/media/platform/stm/sti/delta/Kconfig | 2 +- > drivers/media/platform/stm/sti/hva/Kconfig | 2 +- > drivers/media/platform/stm/stm32/Kconfig | 4 +- > drivers/media/platform/ti/am437x/Kconfig | 2 +- > drivers/media/platform/ti/davinci/Kconfig | 12 +- > drivers/media/platform/ti/omap/Kconfig | 2 +- > drivers/media/platform/ti/omap3isp/Kconfig | 2 +- > drivers/media/platform/via/Kconfig | 2 +- > drivers/media/platform/xilinx/Kconfig | 2 +- > drivers/media/radio/Kconfig | 42 ++- > drivers/media/radio/si470x/Kconfig | 2 +- > drivers/media/radio/wl128x/Kconfig | 2 +- > drivers/media/spi/Kconfig | 4 +- > drivers/media/test-drivers/Kconfig | 2 +- > drivers/media/test-drivers/vicodec/Kconfig | 2 +- > drivers/media/test-drivers/vimc/Kconfig | 2 +- > drivers/media/test-drivers/vivid/Kconfig | 2 +- > drivers/media/tuners/Kconfig | 6 +- > drivers/media/tuners/e4000.c | 6 +- > drivers/media/tuners/fc2580.c | 6 +- > drivers/media/usb/airspy/Kconfig | 2 +- > drivers/media/usb/au0828/Kconfig | 6 +- > drivers/media/usb/cpia2/Kconfig | 2 +- > drivers/media/usb/dvb-usb-v2/Kconfig | 8 +- > drivers/media/usb/dvb-usb/Kconfig | 4 +- > drivers/media/usb/gspca/Kconfig | 96 +++---- > drivers/media/usb/gspca/gl860/Kconfig | 2 +- > drivers/media/usb/gspca/m5602/Kconfig | 2 +- > drivers/media/usb/hackrf/Kconfig | 2 +- > drivers/media/usb/hdpvr/Kconfig | 2 +- > drivers/media/usb/msi2500/Kconfig | 2 +- > drivers/media/usb/pvrusb2/Kconfig | 2 +- > drivers/media/usb/pwc/Kconfig | 2 +- > drivers/media/usb/s2255/Kconfig | 2 +- > drivers/media/usb/stkwebcam/Kconfig | 2 +- > drivers/media/usb/usbtv/Kconfig | 2 +- > drivers/media/usb/uvc/Kconfig | 2 +- > drivers/media/usb/zr364xx/Kconfig | 2 +- > drivers/media/v4l2-core/Kconfig | 12 +- > drivers/media/v4l2-core/Makefile | 2 +- > drivers/staging/media/atomisp/Kconfig | 2 +- > drivers/staging/media/atomisp/i2c/Kconfig | 14 +- > drivers/staging/media/hantro/Kconfig | 2 +- > drivers/staging/media/imx/Kconfig | 2 +- > drivers/staging/media/ipu3/Kconfig | 2 +- > drivers/staging/media/max96712/Kconfig | 2 +- > drivers/staging/media/meson/vdec/Kconfig | 2 +- > drivers/staging/media/omap4iss/Kconfig | 2 +- > drivers/staging/media/rkvdec/Kconfig | 2 +- > drivers/staging/media/sunxi/cedrus/Kconfig | 2 +- > drivers/staging/media/tegra-video/Kconfig | 2 +- > drivers/staging/media/zoran/Kconfig | 2 +- > drivers/staging/most/video/Kconfig | 2 +- > .../vc04_services/bcm2835-camera/Kconfig | 2 +- > drivers/usb/gadget/Kconfig | 2 +- > drivers/usb/gadget/legacy/Kconfig | 2 +- > sound/pci/Kconfig | 4 +- > 115 files changed, 356 insertions(+), 374 deletions(-) > Acked-by: Łukasz Stelmach <l.stelmach@xxxxxxxxxxx> [...] > diff --git a/drivers/media/platform/samsung/s5p-g2d/Kconfig b/drivers/media/platform/samsung/s5p-g2d/Kconfig > index 9bc9d90a666a..28ab88fc2d7c 100644 > --- a/drivers/media/platform/samsung/s5p-g2d/Kconfig > +++ b/drivers/media/platform/samsung/s5p-g2d/Kconfig > @@ -1,7 +1,7 @@ > config VIDEO_SAMSUNG_S5P_G2D > tristate "Samsung S5P and EXYNOS4 G2D 2d graphics accelerator driver" > depends on V4L_MEM2MEM_DRIVERS > - depends on VIDEO_DEV && VIDEO_V4L2 > + depends on VIDEO_DEV > depends on ARCH_S5PV210 || ARCH_EXYNOS || COMPILE_TEST > select VIDEOBUF2_DMA_CONTIG > select V4L2_MEM2MEM_DEV [...] -- Łukasz Stelmach Samsung R&D Institute Poland Samsung Electronics
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