Thursday, January 5, 2017

[fedora-arm] Re: Raspberry Pi 2 - are post-install steps required?

Hi,

> Simple test to demonstrate failure:
>
> [root@RPi3-1 ryniker]# echo 23 >/sys/class/gpio/export
> bash: echo: write error: Invalid argument
> [root@RPi3-1 ryniker]#

Just the numbering is different for some reason.

raspberrypi kernel:

kraxel@pitivi ~# cat /sys/class/gpio/gpiochip0/base
0

mainline kernel:

kraxel@pi-two ~# cat /sys/class/gpio/gpiochip458/base
458

cheers,
Gerd
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