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由 Tony Lindgren 提交于
With many repeated suspend resume cycles, the pin specific wakeirq may not always work on omaps. This is because the write to enable the pin interrupt may not have reached the device over the interconnect before suspend happens. Let's fix the issue with a flush of posted write with a readback. Cc: stable@vger.kernel.org Reported-by: NNishanth Menon <nm@ti.com> Signed-off-by: NTony Lindgren <tony@atomide.com> Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>
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