linux-kernel - Re: [PATCH v1] PCI / PM: Really allow runtime PM without callback functions

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Message-ID: <20240226074113.GZ8454@black.fi.intel.com>
Date: Mon, 26 Feb 2024 09:41:13 +0200
From: Mika Westerberg <mika.westerberg@...ux.intel.com>
To: Raag Jadav <raag.jadav@...el.com>
Cc: Bjorn Helgaas <helgaas@...nel.org>,
	Jarkko Nikula <jarkko.nikula@...ux.intel.com>, bhelgaas@...gle.com,
	andriy.shevchenko@...ux.intel.com,
	stanislaw.gruszka@...ux.intel.com, lukas@...ner.de,
	rafael@...nel.org, ilpo.jarvinen@...ux.intel.com,
	linux-pci@...r.kernel.org, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, gregkh@...uxfoundation.org,
	sashal@...nel.org
Subject: Re: [PATCH v1] PCI / PM: Really allow runtime PM without callback
 functions

On Mon, Feb 26, 2024 at 09:35:37AM +0200, Raag Jadav wrote:
> On Wed, Feb 14, 2024 at 10:15:29PM +0200, Raag Jadav wrote:
> > On Wed, Feb 14, 2024 at 10:58:00AM -0600, Bjorn Helgaas wrote:
> > > On Wed, Feb 14, 2024 at 08:58:48AM +0200, Jarkko Nikula wrote:
> > > > On 2/13/24 22:06, Bjorn Helgaas wrote:
> > > > > > Debugged-by: Mika Westerberg <mika.westerberg@...ux.intel.com>
> > > > > 
> > > > > Sounds like this resolves a problem report?  Is there a URL we can
> > > > > cite?  If not, at least a mention of what the user-visible problem is?
> > > > > 
> > > > >  From the c5eb1190074c commit log, it sounds like maybe this allows
> > > > > devices to be autosuspended when they previously could not be?
> > > > > 
> > > > > Possibly this should have "Fixes: c5eb1190074c ("PCI / PM: Allow
> > > > > runtime PM without callback functions")" since it sounds like it goes
> > > > > with it?
> > > > > 
> > > > I don't think there's known regression but my above commit wasn't complete.
> > > > Autosuspending works without runtime PM callback as long as the driver has
> > > > the PM callbacks structure set.
> > > 
> > > I didn't suggest there was a regression, but if we mention that Mika
> > > debugged something, I want to know what the something was.
> > 
> > Considering it's not a bug to begin with, perhaps we can change it to
> > Suggested-by or Co-developed-by?
> 
> Hi Mika,
> 
> If you are okay with this, please let me know and perhaps suggest a better
> fit for the scenario.

You can just drop my name from it completely.