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The camera code has an explicit cache flush operation which is not portable. Now that vc04_services is using portable DMA APIs that already do the cache flushing, explicit flushes should no longer be needed. The one call to __cpuc_flush_dcache_area has been removed. Testing: The offical V2 camera for the RPI was tested on a RPI 3 running in 32 bit mode(armhf). The cheese application and ffmpeg was used to view and stream video from the camera. Nothing new seems to be broken without the cache flushing. Signed-off-by: Michael Zoran <mzoran@crowfest.net> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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.