linux-kernel - Re: [PATCH v2] PCI: tegra: Fix return value check of pm_runtime_get

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Message-ID: <20200109182333.GA252736@google.com>
Date:   Thu, 9 Jan 2020 12:23:33 -0600
From:   Bjorn Helgaas <helgaas@...nel.org>
To:     Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Cc:     David Engraf <david.engraf@...go.com>, thierry.reding@...il.com,
        andrew.murray@....com, jonathanh@...dia.com,
        linux-tegra@...r.kernel.org, linux-pci@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Manikanta Maddireddy <mmaddireddy@...dia.com>
Subject: Re: [PATCH v2] PCI: tegra: Fix return value check of
 pm_runtime_get_sync

On Thu, Jan 09, 2020 at 12:13:09PM +0000, Lorenzo Pieralisi wrote:
> On Tue, Dec 17, 2019 at 08:36:32AM -0600, Bjorn Helgaas wrote:
> > On Mon, Dec 16, 2019 at 12:18:25PM +0100, David Engraf wrote:
> > > pm_runtime_get_sync() returns the device's usage counter. This might
> > > be >0 if the device is already powered up or CONFIG_PM is disabled.
> > > 
> > > Abort probe function on real error only.
> > > 
> > > Fixes: da76ba50963b ("PCI: tegra: Add power management support")
> > > Signed-off-by: David Engraf <david.engraf@...go.com>
> > 
> > I added Andrew's ack and a stable tag for v4.17+.  Also cc'd
> > Manikanta, author of da76ba50963b.
> > 
> > I put this on my pci/host-tegra branch for v5.6 for now.  Lorenzo may
> > move this when he returns.
> 
> Hi Bjorn,
> 
> I could not find pci/host-tegra in your public repo, have you deleted it
> in the meanwhile ?

Welcome back, Lorenzo!  Sorry, I forgot to push the pci/host-tegra
branch.  It has been in -next for a while, though.  I pushed it now.
Happy to drop the branch if you want to add more Tegra stuff, just let
me know.

Bjorn