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当驱动编译成ko加载时可以控制gpio 14,当静态编译时无法控制,伪代码 如下: 查看找相关代码: arch/mips/ralink/mt7620.c 复用功能 spis 修改Widora.dts spis 功能为 gpio: 静态编译驱动依旧无法控制 gpio14, 希望各位前辈指教一下
静态编译的驱动在 文件系统中没有看到 被复用为其他功能;gpio-14驱动中配置的是输出,高电平,而测试结果为 高阻态;望帮忙看一下,谢谢