From: Jonathan Cameron <jic23@kernel.org>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Dinghao Liu <dinghao.liu@zju.edu.cn>, Kangjie Lu <kjlu@umn.edu>,
Hartmut Knaack <knaack.h@gmx.de>,
Lars-Peter Clausen <lars@metafoo.de>,
Peter Meerwald-Stadler <pmeerw@pmeerw.net>,
linux-iio <linux-iio@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] [v2] iio: magnetometer: ak8974: Fix runtime PM imbalance on error
Date: Sun, 14 Jun 2020 13:11:16 +0100 [thread overview]
Message-ID: <20200614131116.143bcf92@archlinux> (raw)
In-Reply-To: <CACRpkdZy0Pip1ii0g+PYpnkO21e6=J0ZXzudEgvEycCbmWYJxA@mail.gmail.com>
On Mon, 8 Jun 2020 14:12:18 +0200
Linus Walleij <linus.walleij@linaro.org> wrote:
> Hi Jonathan,
>
> sorry for missing this :(
>
> On Sun, May 31, 2020 at 4:00 PM Jonathan Cameron <jic23@kernel.org> wrote:
> > On Tue, 26 May 2020 13:13:56 +0200
> > Linus Walleij <linus.walleij@linaro.org> wrote:
> >
> > > On Tue, May 26, 2020 at 12:47 PM Dinghao Liu <dinghao.liu@zju.edu.cn> wrote:
> > >
> > > > When devm_regmap_init_i2c() returns an error code, a pairing
> > > > runtime PM usage counter decrement is needed to keep the
> > > > counter balanced. For error paths after ak8974_set_power(),
> > > > ak8974_detect() and ak8974_reset(), things are the same.
> > > >
> > > > However, When iio_triggered_buffer_setup() returns an error
> > > > code, there will be two PM usgae counter decrements.
> > > >
> > > > Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
> > > > ---
> > > >
> > > > Changelog:
> > > >
> > > > v2: - Change 3 goto targets from "power_off" to
> > > > "disabel_pm". Remove unused lable "power_off".
> > > > Move 3 PM runtime related calls to the end of
> > > > the function.
> > >
> > > Thanks for fixing this Dinghao!
> > > Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
> >
> > Could I have a fixes tag for this one?
>
> It's been there since the beginning so:
> Fixes: 7c94a8b2ee8c ("iio: magn: add a driver for AK8974")
There was a lot of fuzz in this one due to other changes to the driver.
I 'think' it went it cleanly though.
Applied to the fixes-togreg branch of iio.git and marked for
stable.
Thanks,
Jonathan
>
> Yours,
> Linus Walleij
prev parent reply other threads:[~2020-06-14 12:11 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-26 10:47 [PATCH] [v2] iio: magnetometer: ak8974: Fix runtime PM imbalance on error Dinghao Liu
2020-05-26 11:13 ` Linus Walleij
2020-05-31 14:00 ` Jonathan Cameron
2020-06-08 12:12 ` Linus Walleij
2020-06-14 12:11 ` Jonathan Cameron [this message]
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