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Damien Lespiau authored
This function is only used in intel_ringbuffer.c, so restrict it to that file. The function was moved around to avoid a forward declaration and group it with its user. Signed-off-by: Damien Lespiau <damien.lespiau@intel.com> [danvet: Squash in fixup from Wu Fengguang.] Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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