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Wed, 19 Nov 2025 03:19:53 +0000 From: Date: Tue, 18 Nov 2025 19:19:51 -0800 To: Terry Bowman , , , , , , , , , , , , , , , , , , CC: , , Message-ID: <691d3757809af_1a37510086@dwillia2-mobl4.notmuch> In-Reply-To: <20251104170305.4163840-2-terry.bowman@amd.com> References: <20251104170305.4163840-1-terry.bowman@amd.com> <20251104170305.4163840-2-terry.bowman@amd.com> Subject: Re: [RESEND v13 01/25] CXL/PCI: Move CXL DVSEC definitions into uapi/linux/pci_regs.h Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-ClientProxiedBy: BYAPR11CA0099.namprd11.prod.outlook.com (2603:10b6:a03:f4::40) To PH8PR11MB8107.namprd11.prod.outlook.com (2603:10b6:510:256::6) Precedence: bulk X-Mailing-List: linux-pci@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PH8PR11MB8107:EE_|IA3PR11MB8937:EE_ X-MS-Office365-Filtering-Correlation-Id: a8f02ceb-52c0-4479-6be7-08de271a81d3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|376014|366016|7416014|921020|7053199007; 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These are not > accessible to other subsystems. Move these to uapi/linux/pci_regs.h. > > Change DVSEC name formatting to follow the existing PCI format in > pci_regs.h. The current format uses CXL_DVSEC_XYZ and the CXL defines must > be changed to be PCI_DVSEC_CXL_XYZ to match existing pci_regs.h. Leave > PCI_DVSEC_CXL_PORT* defines as-is because they are already defined and may > be in use by userspace application(s). > > Update existing usage to match the name change. > > Update the inline documentation to refer to latest CXL spec version. > > Signed-off-by: Terry Bowman > Reviewed-by: Dave Jiang > [..] > diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c > index b14dd064006c..53a49bb32514 100644 > --- a/drivers/pci/pci.c > +++ b/drivers/pci/pci.c > @@ -5002,7 +5002,9 @@ static bool cxl_sbr_masked(struct pci_dev *dev) > if (!dvsec) > return false; > > - rc = pci_read_config_word(dev, dvsec + PCI_DVSEC_CXL_PORT_CTL, ®); > + rc = pci_read_config_word(dev, > + dvsec + PCI_DVSEC_CXL_PORT_CTL, > + ®); Patch looks ok, Reviewed-by: Dan Williams ...but going forward please be careful to not reflow whitespace when no other content is changing (no need to respin for this comment).