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Currently there is no information in any vfs about which devices a master component consists of, what makes debugging hard if one of the component devices fails to register. Add 'device_component' directory to debugfs. Create a new file for each component master, when it has been added. Remove it on a master deletion. Show a list of devices required by the given master and their status (registered or not). This provides an easy way to check, which device has failed to register if the given master device is not available in the system. Signed-off-by: Maciej Purski <m.purski@samsung.com> 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.