[PATCH] media: Add dependency of ov7670/mcam/cafe on CONFIG_V4L2_ASYNC explicitly

From: Dawei Li
Date: Wed Feb 14 2024 - 06:42:56 EST


Kernel test robot reports:
ld: drivers/media/i2c/ov7670.o: in function `ov7670_remove':
drivers/media/i2c/ov7670.c:2011: undefined reference to
`v4l2_async_unregister_subdev'
ld: drivers/media/i2c/ov7670.o: in function `ov7670_parse_dt':
drivers/media/i2c/ov7670.c:1836: undefined reference to
`v4l2_fwnode_endpoint_parse'
ld: drivers/media/i2c/ov7670.o: in function `ov7670_probe':
drivers/media/i2c/ov7670.c:1990: undefined reference to
`v4l2_async_register_subdev'
ld: drivers/media/platform/marvell/cafe-driver.o: in function
`cafe_pci_probe':
>> drivers/media/platform/marvell/cafe-driver.c:543: undefined reference
to `v4l2_async_nf_init'
>> ld: drivers/media/platform/marvell/cafe-driver.c:545: undefined
reference to `__v4l2_async_nf_add_i2c'
ld: drivers/media/platform/marvell/mcam-core.o: in function
`mccic_shutdown':
>> drivers/media/platform/marvell/mcam-core.c:1931: undefined reference to
`v4l2_async_nf_unregister'
>> ld: drivers/media/platform/marvell/mcam-core.c:1932: undefined reference
to `v4l2_async_nf_cleanup'
ld: drivers/media/platform/marvell/mcam-core.o: in function
`mccic_register':
drivers/media/platform/marvell/mcam-core.c:1910: undefined reference to
`v4l2_async_nf_unregister'
ld: drivers/media/platform/marvell/mcam-core.c:1911: undefined reference
to `v4l2_async_nf_cleanup'
>> ld: drivers/media/platform/marvell/mcam-core.c:1873: undefined reference
to `v4l2_async_nf_register'

Add explicit dependency on CONFIG_V4L2_ASYNC to mute ld errors.

Reported-by: kernel test robot <lkp@xxxxxxxxx>
Closes: https://lore.kernel.org/oe-kbuild-all/202402130955.f6uxzdCA-lkp@xxxxxxxxx/
Signed-off-by: Dawei Li <dawei.li@xxxxxxxxxxxx>
---
drivers/media/i2c/Kconfig | 1 +
drivers/media/platform/marvell/Kconfig | 2 ++
2 files changed, 3 insertions(+)

diff --git a/drivers/media/i2c/Kconfig b/drivers/media/i2c/Kconfig
index 4c3435921f19..453cb4b81d6f 100644
--- a/drivers/media/i2c/Kconfig
+++ b/drivers/media/i2c/Kconfig
@@ -523,6 +523,7 @@ config VIDEO_OV7640
module will be called ov7640.

config VIDEO_OV7670
+ select V4L2_ASYNC
tristate "OmniVision OV7670 sensor support"
help
This is a Video4Linux2 sensor driver for the OmniVision
diff --git a/drivers/media/platform/marvell/Kconfig b/drivers/media/platform/marvell/Kconfig
index d6499ffe30e8..48f5484478a0 100644
--- a/drivers/media/platform/marvell/Kconfig
+++ b/drivers/media/platform/marvell/Kconfig
@@ -11,6 +11,7 @@ config VIDEO_CAFE_CCIC
select VIDEOBUF2_VMALLOC
select VIDEOBUF2_DMA_CONTIG
select VIDEOBUF2_DMA_SG
+ select V4L2_ASYNC
help
This is a video4linux2 driver for the Marvell 88ALP01 integrated
CMOS camera controller. This is the controller found on first-
@@ -27,6 +28,7 @@ config VIDEO_MMP_CAMERA
select VIDEOBUF2_VMALLOC
select VIDEOBUF2_DMA_CONTIG
select VIDEOBUF2_DMA_SG
+ select V4L2_ASYNC
help
This is a Video4Linux2 driver for the integrated camera
controller found on Marvell Armada 610 application
--
2.27.0