

CodePudding user response:
Have two places to change, apply the write want to ioctl, kernel driver side to achieve s3c2410 ioctl treatment to control I/o port register,CodePudding user response:
CodePudding user response:
Have two places to change, apply the write want to ioctl, kernel driver side to achieve s3c2410 ioctl treatment to control I/o port register,CodePudding user response:
Page link:https//www.codepudding.com/os/56131.html