Re: [PATCH 2/2] x86: pcengines apuv2 gpio/leds/keys platform driver

From: Enrico Weigelt, metux IT consult
Date: Thu Feb 14 2019 - 05:57:40 EST

On 13.02.19 10:35, Linus Walleij wrote:

> For the dev_id you need to be aware of the following from> <linux/platform_device.h>:> #define PLATFORM_DEVID_NONE (-1)>
#define PLATFORM_DEVID_AUTO (-2)>> If the platform device has .id
set to -1 it will be just "leds-gpio",> if it is -2 it will be whatever,
take a chance on .0 or ideally fix> it up. Any positive number like .id
= 4 becomes "leds-gpio.4".> > So figure out the .id field on the
platform device.

Hacked up some debuging into the lookup code and found that it's
just "leds-gpio" and "gpio-keys-polled" in my case. I've just got one
instance of each right now and used PLATFORM_DEVID_NONE.


Enrico Weigelt, metux IT consult
Free software and Linux embedded engineering
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