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inc_deq() currently bails earlier for EVENT rings than the common return point of the function, due to the fact that EVENT rings do not have link TRBs. The unfortunate side effect of this is that the very useful trace_xhci_inc_deq() function is not called/usable for EVENT ring debug. This patch provides a refactor by removing the multiple return exit points into a single return which additionally allows for all rings to use the trace function. Signed-off-by: Adam Wallis <awallis@codeaurora.org> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.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.