那么，设备驱动程序开发人员为调用register _——？dev提供的主设备号应该是什么呢？

So, what major number does the device driver developer supply with the call to register_? Dev ?

youdao

那么，设备驱动程序开发人员为调用register _——？dev提供的主设备号应该是什么呢？

So, what major number does the device driver developer supply with the call to register_? Dev ?

youdao