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[media] media: Initialize the media core with subsys_initcall() 

Media-related drivers living outside drivers/media/ (such as the UVC
gadget driver in drivers/usb/gadget/) rely on the media core being
initialized before they're probed. As drivers/usb/ is linked before
drivers/media/, this is currently not the case and will lead to crashes
if the drivers are not compiled as modules.

Register media_devnode_init() as a subsys_initcall() instead of
module_init() to fix this.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Bhupesh Sharma <bhupesh.sharma@st.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Tested-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Laurent Pinchart 2012-03-12 10:02:47 -03:00 committed by Mauro Carvalho Chehab
parent ee981c6fac
commit ff732d281b
1 changed files with 1 additions and 1 deletions
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2
drivers/media/media-devnode.c
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@ -312,7 +312,7 @@ static void __exit media_devnode_exit(void)
unregister_chrdev_region(media_dev_t, MEDIA_NUM_DEVICES);
}
module_init(media_devnode_init)
subsys_initcall(media_devnode_init);
module_exit(media_devnode_exit)
MODULE_AUTHOR("Laurent Pinchart <laurent.pinchart@ideasonboard.com>");