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AM335X 如何支持热插拔

Other Parts Discussed in Thread: AM3358

ubuntu16.04 

SDK08

AM3358

我们的板子上替换了MMC的CD引脚修改成了gpio0_5,在启动kernel和文件系统后,能识别SD卡,但是热插拔之后,无法识别SD卡,请问需要修改些什么?替换的CD引脚的配置在dts文件中已经修改过了。

已经解决了,在dts的pinctrl-0的pinmux中不要添加gpio0_5的配置即可,但是之前am335x-evm.dts文件中的mmc的cd-gpio本身也是在这里配置的,为什么evm的可以使用?