On Fri, Oct 5, 2018 at 11:54 AM Timur Tabi <ti...@kernel.org> wrote: > If you want, just put a printk(... offset) in msm_gpio_get() and read > from a GPIO that you know you have access to, and make sure the > 'offset' is correct. > > Then try reading from a GPIO that you don't have access to, and make > sure you get a failure before msm_gpio_get() is called.
Just FYI, if you use sysfs to write to the GPIO, based on the kernel log you pasted, GPIO 362 in sysfs is actually pin 0 in the TLMM. If you use gpio-test, it uses gpiolib which figures this all out for you. There should still be the gpio-test wiki page I wrote that tells you how to use it.
