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Wysocki" , Len Brown , linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-acpi@vger.kernel.org, lukas@wunner.de, mika.westerberg@linux.intel.com, Hsin-Yi Wang Subject: Re: [PATCH v5 3/4] PCI: Decouple D3Hot and D3Cold handling for bridges Message-ID: <20240820060008.jbghpqibbohbemfz@thinkpad> References: <20240802-pci-bridge-d3-v5-0-2426dd9e8e27@linaro.org> <20240802-pci-bridge-d3-v5-3-2426dd9e8e27@linaro.org> <2c5dd04f-8ac0-41eb-a11d-cc48c898c8f3@suse.com> Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <2c5dd04f-8ac0-41eb-a11d-cc48c898c8f3@suse.com> On Mon, Aug 19, 2024 at 02:44:43PM +0200, Oliver Neukum wrote: > On 02.08.24 07:55, Manivannan Sadhasivam via B4 Relay wrote: > > > --- a/drivers/pci/pci-acpi.c > > +++ b/drivers/pci/pci-acpi.c > > @@ -1434,7 +1434,7 @@ void pci_acpi_setup(struct device *dev, struct acpi_device *adev) > > * reason is that the bridge may have additional methods such as > > * _DSW that need to be called. > > */ > > - if (pci_dev->bridge_d3_allowed) > > + if (pci_dev->bridge_d3cold_allowed && pci_dev->bridge_d3hot_allowed) > > Are you sure you want to require both capabilities here? > Wakeup is common for both D3Hot and D3Cold, isn't it? - Mani -- மணிவண்ணன் சதாசிவம்