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- Join Date
- Feb 2005
Accessing serial port driver from another kernel module
Im supposed to write a driver for a hitech pws touchpad which communicates through the serial port. I dont want the touchpad driver built into the user space program, i want it as a kernel module so i can access the touchpad with open() read() write() etc as a char device. Problem is though that i cant use open() and the other file operations to get hold of /dev/ttys0 from the touchpad kernel driver since these only seem to be able to use from user space programs.
Any suggestions how I can solve this? Or do I need to write my own serial port driver and skip the already functional one?