From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Vaibhav Gupta <vaibhavgupta40@gmail.com>
Cc: Bjorn Helgaas <helgaas@kernel.org>,
Bjorn Helgaas <bhelgaas@google.com>,
Bjorn Helgaas <bjorn@helgaas.com>,
Vaibhav Gupta <vaibhav.varodek@gmail.com>,
Mark Brown <broonie@kernel.org>,
linux-spi <linux-spi@vger.kernel.org>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>,
linux-kernel-mentees@lists.linuxfoundation.org,
Shuah Khan <skhan@linuxfoundation.org>,
"Rafael J. Wysocki" <rjw@rjwysocki.net>
Subject: Re: [PATCH v1] spi: spi-topcliff-pch: use generic power management
Date: Mon, 27 Jul 2020 14:12:16 +0300 [thread overview]
Message-ID: <CAHp75VdzAk6U_mKn32+dmw1aNyREtaXMB6sHubE8G9imtv5=3g@mail.gmail.com> (raw)
In-Reply-To: <20200727070652.GA5400@gmail.com>
On Mon, Jul 27, 2020 at 10:08 AM Vaibhav Gupta <vaibhavgupta40@gmail.com> wrote:
> On Sat, Jul 25, 2020 at 01:44:44PM +0300, Andy Shevchenko wrote:
> > On Sat, Jul 25, 2020 at 1:42 PM Andy Shevchenko
> > <andy.shevchenko@gmail.com> wrote:
...
> > The only problem here, is that the 2nd is already in the Mark's tree
> > and he doesn't do rebases.
> > So, it will be the other way around.
> >
> Concluding from yours and Bjorn's suggestion, I will drop the
> device_wakeup_disable() call form .resume() and send the fix. I will also track
> the drivers who got similar upgrades and went un-noticed.
Thanks for doing this!
> As Bjorn mentioned, the problem is that I don't have hardware to test, so I just
> replicated the legacy behaviour in generic by replacing
> pci_enable_wake(....,false) with device_wakeup_disable().
>
> So, from now, while upgrading drivers with generic PM, should I completely drop
> the pci_enable_wake(....,false) calls if both .suspend() and .resume() try to
> wakeup-disable the device?
I guess the best approach is to rely on the PCI core to do the right thing.
But mention this change in the commit message that we will have a
track of the changes properly.
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2020-07-27 11:12 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-20 15:57 [PATCH v1] spi: spi-topcliff-pch: use generic power management Vaibhav Gupta
2020-07-22 13:45 ` Mark Brown
2020-07-22 20:01 ` Vaibhav Gupta
2020-07-24 10:51 ` Andy Shevchenko
2020-07-24 15:16 ` Vaibhav Gupta
2020-07-24 20:16 ` Andy Shevchenko
2020-07-24 22:37 ` Bjorn Helgaas
2020-07-25 10:42 ` Andy Shevchenko
2020-07-25 10:44 ` Andy Shevchenko
2020-07-27 7:06 ` Vaibhav Gupta
2020-07-27 11:12 ` Andy Shevchenko [this message]
2020-07-27 13:08 ` Vaibhav Gupta
2020-07-27 13:17 ` [PATCH v2] spi: spi-topcliff-pch: drop call to wakeup-disable Vaibhav Gupta
2020-07-27 13:38 ` Andy Shevchenko
2020-07-27 13:46 ` Vaibhav Gupta
2020-07-27 14:08 ` Andy Shevchenko
2020-07-27 14:17 ` Joe Perches
2020-07-27 17:29 ` [PATCH v3] " Vaibhav Gupta
2020-07-27 19:21 ` Andy Shevchenko
2020-07-28 16:31 ` Mark Brown
2020-07-28 16:31 ` [PATCH v2] " Mark Brown
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