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From: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
To: Vidya Sagar <vidyas@nvidia.com>,
	Thierry Reding <thierry.reding@gmail.com>
Cc: Bjorn Helgaas <helgaas@kernel.org>,
	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>,
	Andrew Murray <amurray@thegoodpenguin.co.uk>,
	linux-pci@vger.kernel.org, linux-tegra@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] PCI: tegra: fix runtime pm imbalance on error
Date: Fri, 29 May 2020 11:23:17 +0100	[thread overview]
Message-ID: <20200529102317.GA12270@e121166-lin.cambridge.arm.com> (raw)
In-Reply-To: <e7c967a0-c285-450a-bbad-f6456c661d41@nvidia.com>

On Wed, May 20, 2020 at 11:39:08PM +0530, Vidya Sagar wrote:
> Thanks for pushing a patch to fix it. I've been under the wrong assumption
> that a failing pm_runtime_get_sync() wouldn't increment the usage counter.
> With Thierry's and Bjorn's comments addressed
> 
> Acked-by: Vidya Sagar <vidyas@nvidia.com>

Thierry, Vidya,

are your ACKs applying also to:

https://patchwork.kernel.org/patch/11562109/

Dinghao did not carry them over and I could not understand from this
thread if your ACKs apply to both tegra and tegra194.

Thanks,
Lorenzo

> On 20-May-20 10:07 PM, Bjorn Helgaas wrote:
> > External email: Use caution opening links or attachments
> > 
> > 
> > On Wed, May 20, 2020 at 11:59:08AM +0200, Thierry Reding wrote:
> > > On Wed, May 20, 2020 at 04:52:23PM +0800, Dinghao Liu wrote:
> > > > pm_runtime_get_sync() increments the runtime PM usage counter even
> > > > it returns an error code. Thus a pairing decrement is needed on
> > > 
> > > s/even it/even when it/
> > > 
> > > Might also be a good idea to use a different subject prefix because I
> > > was almost not going to look at the other patch, taking this to be a
> > > replacement for it.
> > 
> > Amen.  This would be a good change to start using "PCI: tegra194" or
> > something for pcie-tegra194.c.  Or will there be tegra195, tegra 196,
> > etc added to this driver?
> > 
> > Also, please capitalize the first word and "PM" in the subjects:
> > 
> >    PCI: tegra194: Fix runtime PM imbalance on error
> > 
> > Bjorn
> > 

  reply	other threads:[~2020-05-29 10:23 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-05-20  8:52 [PATCH] PCI: tegra: fix runtime pm imbalance on error Dinghao Liu
2020-05-20  9:59 ` Thierry Reding
2020-05-20 16:37   ` Bjorn Helgaas
2020-05-20 18:09     ` Vidya Sagar
2020-05-29 10:23       ` Lorenzo Pieralisi [this message]
2020-05-29 10:58         ` Vidya Sagar
2020-05-21  3:00     ` dinghao.liu
2020-05-21  3:06   ` dinghao.liu
  -- strict thread matches above, loose matches on Subject: below --
2020-05-20  8:40 Dinghao Liu
2020-05-20  9:40 ` Thierry Reding
2020-05-20 16:42 ` Bjorn Helgaas

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