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This patch adds a little more control to a couple wait_for routines such that we can avoid open-coding read/wait/timeout patterns which: - need the value of the register after the wait_for - run arbitrary operation for the read portion This patch also chooses the correct sleep function (based on timers-howto.txt) for the polling interval the caller specifies. Changes in v2: - Added to the series Changes in v3: - Rebased on drm-intel-next-queued and the new Wmin/max _wait_for - Removed msleep option Changes in v4: - Removed ; for OP in _wait_for (Chris) - Moved reg_value definition above ret (Chris) Changes in v4: - checkpatch whitespace fix Changes in v5: - None Changes in v6: - None Suggested-by: Chris Wilson <chris@chris-wilson.co.uk> Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch> Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by: Sean Paul <seanpaul@chromium.org> Link: https://patchwork.freedesktop.org/patch/msgid/20180108195545.218615-3-seanpaul@chromium.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.