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25 Feb 2024 23:41:14 -0800 Received: by black.fi.intel.com (Postfix, from userid 1001) id 4CDA148F; Mon, 26 Feb 2024 09:41:13 +0200 (EET) Date: Mon, 26 Feb 2024 09:41:13 +0200 From: Mika Westerberg To: Raag Jadav Cc: Bjorn Helgaas , Jarkko Nikula , bhelgaas@google.com, andriy.shevchenko@linux.intel.com, stanislaw.gruszka@linux.intel.com, lukas@wunner.de, rafael@kernel.org, ilpo.jarvinen@linux.intel.com, linux-pci@vger.kernel.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org, sashal@kernel.org Subject: Re: [PATCH v1] PCI / PM: Really allow runtime PM without callback functions Message-ID: <20240226074113.GZ8454@black.fi.intel.com> References: <93c77778-fbdc-4345-be8b-04959d1ce929@linux.intel.com> <20240214165800.GA1254628@bhelgaas> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: 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 > > > > > > > > > > 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.