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    SubjectRe: linux-next: build warnings after merge of the gpio tree
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    On Wed, Jul 23, 2014 at 10:45 AM, Stephen Rothwell <sfr@canb.auug.org.au> wrote:

    > After merging the gpio tree, today's linux-next build (powerpc
    > allyesconfig) produced these warnings:
    >
    > drivers/gpio/gpio-ucb1400.c: In function 'ucb1400_gpio_remove':
    > drivers/gpio/gpio-ucb1400.c:92:2: warning: ignoring return value of 'gpiochip_remove', declared with attribute warn_unused_result [-Wunused-result]
    > gpiochip_remove(&ucb->gc);
    > ^
    >
    > And lots of similar ones.
    >
    > Introduced by commit 9f5132ae82fd ("gpio: remove all usage of
    > gpio_remove retval in driver/gpio").

    Yes we're planning to get rid of the retval in the next merge window after first
    purging all drivers.

    > Maybe the __must_check attribute should be removed from the declaration
    > of the function before removing the retval checking ...

    Hey, good idea. I'll do this.

    Yours,
    Linus Walleij


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