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[ Upstream commit6c91799f59] When the MMAL code is built-in but the vchiq core config is set to =m, the mmal code never gets built, which in turn can lead to link errors: ERROR: modpost: "vchiq_mmal_port_set_format" [drivers/staging/vc04_services/bcm2835-camera/bcm2835-v4l2.ko] undefined! ERROR: modpost: "vchiq_mmal_port_disable" [drivers/staging/vc04_services/bcm2835-camera/bcm2835-v4l2.ko] undefined! ERROR: modpost: "vchiq_mmal_port_parameter_set" [drivers/staging/vc04_services/bcm2835-camera/bcm2835-v4l2.ko] undefined! ERROR: modpost: "vchiq_mmal_component_finalise" [drivers/staging/vc04_services/bcm2835-camera/bcm2835-v4l2.ko] undefined! ERROR: modpost: "vchiq_mmal_port_connect_tunnel" [drivers/staging/vc04_services/bcm2835-camera/bcm2835-v4l2.ko] undefined! ERROR: modpost: "vchiq_mmal_component_enable" [drivers/staging/vc04_services/bcm2835-camera/bcm2835-v4l2.ko] undefined! ERROR: modpost: "vchiq_mmal_finalise" [drivers/staging/vc04_services/bcm2835-camera/bcm2835-v4l2.ko] undefined! ERROR: modpost: "vchiq_mmal_component_init" [drivers/staging/vc04_services/bcm2835-camera/bcm2835-v4l2.ko] undefined! ERROR: modpost: "vchiq_mmal_component_disable" [drivers/staging/vc04_services/bcm2835-camera/bcm2835-v4l2.ko] undefined! ERROR: modpost: "mmal_vchi_buffer_init" [drivers/staging/vc04_services/bcm2835-camera/bcm2835-v4l2.ko] undefined! ERROR: modpost: "vchiq_mmal_port_enable" [drivers/staging/vc04_services/bcm2835-camera/bcm2835-v4l2.ko] undefined! ERROR: modpost: "vchiq_mmal_version" [drivers/staging/vc04_services/bcm2835-camera/bcm2835-v4l2.ko] undefined! ERROR: modpost: "vchiq_mmal_submit_buffer" [drivers/staging/vc04_services/bcm2835-camera/bcm2835-v4l2.ko] undefined! ERROR: modpost: "vchiq_mmal_init" [drivers/staging/vc04_services/bcm2835-camera/bcm2835-v4l2.ko] undefined! ERROR: modpost: "mmal_vchi_buffer_cleanup" [drivers/staging/vc04_services/bcm2835-camera/bcm2835-v4l2.ko] undefined! ERROR: modpost: "vchiq_mmal_port_parameter_get" [drivers/staging/vc04_services/bcm2835-camera/bcm2835-v4l2.ko] undefined! Change the Kconfig to depend on BCM2835_VCHIQ like the other drivers, and remove the now redundant dependencies. Fixes:b18ee53ad2("staging: bcm2835: Break MMAL support out from camera") Acked-by: Jacopo Mondi <jacopo@jmondi.org> Signed-off-by: Arnd Bergmann <arnd@arndb.de> Link: https://lore.kernel.org/r/20201203223836.1362313-1-arnd@kernel.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
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.