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由 Uwe Kleine-König 提交于
According to the documentation gpio_free should only be called from task context only. To make this more explicit add a might sleep to all implementations. This patch changes the gpio_free implementations for the x86 architecture. Signed-off-by: NUwe Kleine-König <ukleinek@informatik.uni-freiburg.de> Signed-off-by: NIngo Molnar <mingo@elte.hu>
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