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Date:   Sat, 16 May 2020 19:28:42 +0530
From:   Manivannan Sadhasivam <>
To:     Linus Walleij <>
Cc:     Bartosz Golaszewski <>,
        Kent Gibson <>,
        Andy Shevchenko <>,
        "open list:GPIO SUBSYSTEM" <>,
        "" <>,
        Bartosz Golaszewski <>
Subject: Re: [PATCH] gpiolib: notify user-space about line status changes
 after flags are set

On Sat, May 16, 2020 at 11:30:36AM +0200, Linus Walleij wrote:
> On Sat, May 9, 2020 at 4:15 PM Bartosz Golaszewski <> wrote:
> > Since the flags can be configured in different ways depending on how the
> > line is being requested - we need to call the notifier chain in different
> > places separately.
> Ooops.
> > This comes late in the release cycle but I only recently got down to
> > writing libgpiod support for this new ioctl(). When writing test cases
> > I noticed this doesn't really work as expected.
> This is why I am so grateful about the tests you are doing with
> libgpiod! We actually find these problems quickly and not after
> years. Thanks!

This forces me to add tests for chardev in MRAA ;) (Don't ask me about other


> > This patch fixes the
> > issue I identified this week. There may be more coming the following
> > week though...
> I will pull in your pull request once the next -rc is out as I had already
> sent my first pull request, but do not hesitate to bug me about this.
> Yours,
> Linus Walleij

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