Subject: Re: GPIO driver for MPC8313.

From: Peter Korsgaard <[email-masked]>
Date: Wed, 23 Sep 2009 13:04:32 +0200

>>>>> "Johnny" == Johnny Hung <[email-masked]> writes:

 Johnny> Thanks, got it. BTW, how to trigger GPIO level in user space
 Johnny> application? I also found
 Johnny> arch/powerpc/platforms/52xx/mpc52xx_gpio.c is a good
 Johnny> example. Any reply is appreciate.

Through sysfs. See 'Sysfs Interface for Userspace' section of
Documentation/gpio.txt

-- 
Bye, Peter Korsgaard