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Date:   Fri, 1 Sep 2017 21:49:40 -0700
From:   Florian Fainelli <>
To:     open list <>,,
        Linus Walleij <>
Cc:     Sergei Shtylyov <>,
        Andrew Lunn <>
Subject: Warnings from include/linux/gpio/consumer.h with CONFIG_GPIOLIB=n

Hi Linus,

I think Sergei or someone else was mentioning that before a while ago,
but when CONFIG_GPIOLIB=n most gpiod_* inline stubs have WARN_ON() that
will scare people.

What do you recommend doing for code that might be built with or without
CONFIG_GPIOLIB, should we just encapsulate the part that deals with
GPIOs under an #if IS_ENABLED(CONFIG_GPIOLIB) or something? The
particular piece of code that I just saw this with is


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