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由 Guennadi Liakhovetski 提交于
The tmio-mmc driver is already using the generic GPIO CD handler in IRQ mode. This patch adds support for CD polling mode and also checks for availability of a WP GPIO. Signed-off-by: NGuennadi Liakhovetski <g.liakhovetski@gmx.de> Signed-off-by: NChris Ball <cjb@laptop.org>
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