使用hwclock读取rtc中的时间时报错"hwclock: ioctl(RTC_RD_TIME) to /dev/rtc0 to read the time failed: No such device or address"如何处理?
Failed 如何 处理 时间 to The 读取 No
2023-09-11 14:16:47 时间
1. No such device or address
这一句表明当前的板子上没有这样的外设,检查设备树和硬件连接情况
2. 笔者是这样解决的
由于设备树中为rtc所指定的总线与硬件上的连接rtc的总线存在出入，因此修改成一致即可解决此问题。
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