From: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
To: Thierry Reding <thierry.reding@gmail.com>
Cc: Dinghao Liu <dinghao.liu@zju.edu.cn>,
kjlu@umn.edu, Rob Herring <robh@kernel.org>,
Bjorn Helgaas <bhelgaas@google.com>,
Jonathan Hunter <jonathanh@nvidia.com>,
linux-tegra@vger.kernel.org, linux-pci@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] [v2] PCI: tegra: Fix runtime PM imbalance on error
Date: Mon, 1 Jun 2020 10:05:36 +0100 [thread overview]
Message-ID: <20200601090536.GA4226@e121166-lin.cambridge.arm.com> (raw)
In-Reply-To: <20200529180518.GA3078281@ulmo>
On Fri, May 29, 2020 at 08:05:18PM +0200, Thierry Reding wrote:
> On Thu, May 21, 2020 at 10:47:09AM +0800, Dinghao Liu wrote:
> > pm_runtime_get_sync() increments the runtime PM usage counter even
> > when it returns an error code. Thus a pairing decrement is needed on
> > the error handling path to keep the counter balanced.
> >
> > Also, call pm_runtime_disable() when pm_runtime_get_sync() returns
> > an error code.
> >
> > Signed-off-by: Dinghao Liu <dinghao.liu@zju.edu.cn>
> > ---
> > drivers/pci/controller/pci-tegra.c | 3 +--
> > 1 file changed, 1 insertion(+), 2 deletions(-)
>
> Acked-by: Thierry Reding <treding@nvidia.com>
Applied to pci/tegra, thanks !
Lorenzo
prev parent reply other threads:[~2020-06-01 9:05 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-05-21 2:47 [PATCH] [v2] PCI: tegra: Fix runtime PM imbalance on error Dinghao Liu
2020-05-29 18:05 ` Thierry Reding
2020-06-01 9:05 ` Lorenzo Pieralisi [this message]
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