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由 Guennadi Liakhovetski 提交于
Polling for card hotplug events is a better option than using SDHI native hotplug interrupt, because the latter option forces the controller to stay permanently powered up and enabled. Signed-off-by: NGuennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: NPaul Mundt <lethal@linux-sh.org>
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