From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Dinghao Liu <dinghao.liu@zju.edu.cn>
Cc: Kangjie Lu <kjlu@umn.edu>, Laxman Dewangan <ldewangan@nvidia.com>,
Mark Brown <broonie@kernel.org>,
Thierry Reding <thierry.reding@gmail.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
linux-spi <linux-spi@vger.kernel.org>,
linux-tegra@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: Re: Re: [PATCH] spi: tegra20-slink: Fix runtime PM imbalance on error
Date: Sat, 23 May 2020 14:52:33 +0300 [thread overview]
Message-ID: <CAHp75VcfcE63KHbyokoBuBKDdTHiB8QiauL8XU=rRo0-=NL-Kg@mail.gmail.com> (raw)
In-Reply-To: <53722a45.c204d.172414e8ed8.Coremail.dinghao.liu@zju.edu.cn>
On Sat, May 23, 2020 at 2:32 PM <dinghao.liu@zju.edu.cn> wrote:
>
> > On Fri, May 22, 2020 at 6:20 PM Andy Shevchenko
> > <andy.shevchenko@gmail.com> wrote:
> > > On Fri, May 22, 2020 at 10:46 AM <dinghao.liu@zju.edu.cn> wrote:
...
> I also checked many other implementation of probe in drivers.
> It seems that using pm_runtime_put() is ok.
In *error path* or normal path?
> If I misunderstood
> your opinion, please point it out, thanks.
Bottom line is (for the *error path* case):
pm_runtime_put_noidle() has no side effects
pm_runtime_put() (potentially) might have side effects.
You should choose one which is clearer about what it does.
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2020-05-23 11:52 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-21 7:49 [PATCH] spi: tegra20-slink: Fix runtime PM imbalance on error Dinghao Liu
2020-05-21 8:04 ` Andy Shevchenko
2020-05-21 8:06 ` Andy Shevchenko
2020-05-21 8:24 ` dinghao.liu
2020-05-21 8:38 ` Jon Hunter
2020-05-21 8:46 ` Jon Hunter
2020-05-22 7:45 ` dinghao.liu
2020-05-22 15:20 ` Andy Shevchenko
2020-05-22 15:22 ` Andy Shevchenko
2020-05-23 11:32 ` dinghao.liu
2020-05-23 11:52 ` Andy Shevchenko [this message]
2020-05-23 12:04 ` dinghao.liu
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