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由 David Woodhouse 提交于
The uninitialised pmu_backlight_lock causes the current Fedora test kernel (which has spinlock debugging enabled) to panic on suspend. This is suboptimal, so I fixed it. Signed-off-by: NDavid Woodhouse <dwmw2@infradead.org> Acked-by: NBenjamin Herrenschmidt <benh@kernel.crashing.org> Acked-by: NMichael Hanselmann <linux-kernel@hansmi.ch> Signed-off-by: NAndrew Morton <akpm@osdl.org> Signed-off-by: NLinus Torvalds <torvalds@osdl.org>
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