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[173.79.56.208]) by smtp.gmail.com with ESMTPSA id d75a77b69052e-471492a856fsm20177991cf.28.2025.02.07.11.39.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 07 Feb 2025 11:39:53 -0800 (PST) Date: Fri, 7 Feb 2025 14:39:51 -0500 From: Gregory Price To: "Bowman, Terry" Cc: linux-cxl@vger.kernel.org, linux-kernel@vger.kernel.org, linux-pci@vger.kernel.org, nifan.cxl@gmail.com, dave@stgolabs.net, jonathan.cameron@huawei.com, dave.jiang@intel.com, alison.schofield@intel.com, vishal.l.verma@intel.com, dan.j.williams@intel.com, bhelgaas@google.com, mahesh@linux.ibm.com, ira.weiny@intel.com, oohall@gmail.com, Benjamin.Cheatham@amd.com, rrichter@amd.com, nathan.fontenot@amd.com, Smita.KoralahalliChannabasappa@amd.com, lukas@wunner.de, ming.li@zohomail.com, PradeepVineshReddy.Kodamati@amd.com, alucerop@amd.com Subject: Re: [PATCH v5 08/16] cxl/pci: Map CXL PCIe Root Port and Downstream Switch Port RAS registers Message-ID: References: <20250107143852.3692571-1-terry.bowman@amd.com> <20250107143852.3692571-9-terry.bowman@amd.com> <6749f386-4bd0-4395-9ad4-a9663fac9bc1@amd.com> 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=us-ascii Content-Disposition: inline In-Reply-To: <6749f386-4bd0-4395-9ad4-a9663fac9bc1@amd.com> On Fri, Feb 07, 2025 at 01:08:35PM -0600, Bowman, Terry wrote: > > >> + > >> + if (dev_is_cxl_pci(dport_dev, PCI_EXP_TYPE_DOWNSTREAM) || > >> + dev_is_cxl_pci(dport_dev, PCI_EXP_TYPE_ROOT_PORT)) > > Mostly an observation - this kind of comparison seems to be coming up > > more. Wonder if an explicit set of APIs for these checks would be worth > > it to clean up the 3 or 4 different comparison variants i've seen. > > > > Either way > > > > Reviewed-by: Gregory Price > > > > ~Gregory > Do you recommend moving dev_is_cxl_pci() to pci library as is? Thanks for 'Reviewed-by:`. Terry I'd have to go look around and see how much the PCI_EXP_TYPE items are being used for comparison and how - I was just commenting internally on this patch set. If this set is the only place it's being used (so far) then it's probably not worth extra work yet. ~Gregory