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:
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