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The I2C core always reports a MODALIAS of the form i2c:<foo> even if the device was registered via OF, and the driver is only exporting the OF ID table entries as module aliases. So if the driver is built as module, autoload won't work since udev/kmod won't be able to match the registered OF device with its driver module. Before this patch: $ modinfo drivers/media/i2c/adv748x/adv748x.ko | grep alias alias: of:N*T*Cadi,adv7482C* alias: of:N*T*Cadi,adv7482 alias: of:N*T*Cadi,adv7481C* alias: of:N*T*Cadi,adv7481 After this patch: modinfo drivers/media/i2c/adv748x/adv748x.ko | grep alias alias: of:N*T*Cadi,adv7482C* alias: of:N*T*Cadi,adv7482 alias: of:N*T*Cadi,adv7481C* alias: of:N*T*Cadi,adv7481 alias: i2c:adv7482 alias: i2c:adv7481 Signed-off-by: Javier Martinez Canillas <javierm@redhat.com> Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Linux kernel ============ This file was moved to Documentation/admin-guide/README.rst Please notice that there are several guides for kernel developers and users. These guides can be rendered in a number of formats, like HTML and PDF. In order to build the documentation, use ``make htmldocs`` or ``make pdfdocs``. There are various text files in the Documentation/ subdirectory, several of them using the Restructured Text markup notation. See Documentation/00-INDEX for a list of what is contained in each file. Please read the Documentation/process/changes.rst file, as it contains the requirements for building and running the kernel, and information about the problems which may result by upgrading your kernel.