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In mwifiex_delay_for_sleep_cookie(), we're looping and waiting for the PCIe endpoint to write a magic value back to memory, to signal that it has finished going to sleep. We're not letting the compiler know that this might change underneath our feet though. Let's do that, for good hygiene. I'm not aware of this fixing any concrete problems. I also give no guarantee that this loop is actually correct in any other way, but at least this looks like an improvement to me. Signed-off-by: Brian Norris <briannorris@chromium.org> Signed-off-by: Kalle Valo <kvalo@codeaurora.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.