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To quote the TODO of this driver:
--------------------------------------------------------------
The driver is deprecated and scheduled for removal by the end
of 2020.
In order to prevent removal the following actions would have to
be taken:
- clean up the code
- convert to the vb2 framework
- fix the disconnect and free-on-last-user handling (i.e., add
a release callback for struct v4l2_device and rework the code
to use that correctly).
--------------------------------------------------------------
Nobody picked this up, so it's time to retire this driver.
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.
[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through
Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
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Correct spelling in comment
Signed-off-by: John Oldman <john.oldman@polehill.co.uk>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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When built with:
CONFIG_USB=m
CONFIG_VIDEO_USBVISION=y
It causes ld errors:
ld: drivers/staging/media/usbvision/usbvision-core.o: in function `usbvision_write_reg_irq':
usbvision-core.c:(.text+0x8a4): undefined reference to `usb_submit_urb'
ld: drivers/staging/media/usbvision/usbvision-core.o: in function `usbvision_isoc_irq':
usbvision-core.c:(.text+0x2ee8): undefined reference to `usb_submit_urb'
ld: drivers/staging/media/usbvision/usbvision-core.o: in function `usbvision_read_reg':
usbvision-core.c:(.text+0x30ad): undefined reference to `usb_control_msg'
ld: drivers/staging/media/usbvision/usbvision-core.o: in function `usbvision_write_reg':
usbvision-core.c:(.text+0x3178): undefined reference to `usb_control_msg'
ld: drivers/staging/media/usbvision/usbvision-core.o: in function `usbvision_set_output':
usbvision-core.c:(.text+0x344e): undefined reference to `usb_control_msg'
ld: drivers/staging/media/usbvision/usbvision-core.o: in function `usbvision_set_input':
usbvision-core.c:(.text+0x3b9b): undefined reference to `usb_control_msg'
ld: drivers/staging/media/usbvision/usbvision-core.o: in function `usbvision_setup':
usbvision-core.c:(.text+0x4009): undefined reference to `usb_control_msg'
ld: drivers/staging/media/usbvision/usbvision-core.o:usbvision-core.c:(.text+0x417f): more undefined references to `usb_control_msg' follow
ld: drivers/staging/media/usbvision/usbvision-core.o: in function `usbvision_set_alternate':
usbvision-core.c:(.text+0x4518): undefined reference to `usb_set_interface'
ld: drivers/staging/media/usbvision/usbvision-core.o: in function `usbvision_init_isoc':
usbvision-core.c:(.text+0x4673): undefined reference to `usb_alloc_urb'
ld: usbvision-core.c:(.text+0x46a5): undefined reference to `usb_alloc_coherent'
ld: usbvision-core.c:(.text+0x4765): undefined reference to `usb_submit_urb'
ld: drivers/staging/media/usbvision/usbvision-core.o: in function `usbvision_stop_isoc':
usbvision-core.c:(.text+0x4837): undefined reference to `usb_kill_urb'
ld: usbvision-core.c:(.text+0x485f): undefined reference to `usb_free_coherent'
ld: usbvision-core.c:(.text+0x4874): undefined reference to `usb_free_urb'
ld: usbvision-core.c:(.text+0x48f1): undefined reference to `usb_set_interface'
ld: drivers/staging/media/usbvision/usbvision-video.o: in function `usbvision_release':
usbvision-video.c:(.text+0x1a8a): undefined reference to `usb_free_urb'
ld: drivers/staging/media/usbvision/usbvision-video.o: in function `usbvision_disconnect':
usbvision-video.c:(.text+0x1b74): undefined reference to `usb_put_dev'
ld: drivers/staging/media/usbvision/usbvision-video.o: in function `usbvision_radio_close':
usbvision-video.c:(.text+0x1c89): undefined reference to `usb_set_interface'
ld: drivers/staging/media/usbvision/usbvision-video.o: in function `usbvision_probe':
usbvision-video.c:(.text+0x1e4b): undefined reference to `usb_get_dev'
ld: usbvision-video.c:(.text+0x20e1): undefined reference to `usb_alloc_urb'
ld: usbvision-video.c:(.text+0x2797): undefined reference to `usb_put_dev'
ld: drivers/staging/media/usbvision/usbvision-video.o: in function `usbvision_exit':
usbvision-video.c:(.exit.text+0x37): undefined reference to `usb_deregister'
ld: drivers/staging/media/usbvision/usbvision-video.o: in function `usbvision_init':
usbvision-video.c:(.init.text+0xf9): undefined reference to `usb_register_driver'
ld: drivers/staging/media/usbvision/usbvision-i2c.o: in function `usbvision_i2c_write':
usbvision-i2c.c:(.text+0x2f4): undefined reference to `usb_control_msg'
Reported-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org> # build-tested
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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VIDEO_USBVISION driver depends on MEDIA_USB_SUPPORT
Fixes: 8fb12ce2ec9d ("media: usbvision: deprecate driver")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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The driver is deprecated and scheduled for removal by the end
of 2020. The reason is that this driver is for old and obsolete
hardware, and it produces a continuous stream of syzbot errors due
to poor code.
In order to prevent removal the following actions would have to
be taken:
- clean up the code
- convert to the vb2 framework
- fix the disconnect and free-on-last-user handling (i.e., add
a release callback for struct v4l2_device and rework the code
to use that correctly).
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
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Hans Verkuil
Gustavo A. R. Silva
John Oldman
Mauro Carvalho Chehab
YueHaibing