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Fri, 15 May 2026 12:23:45 -0700 (PDT) Received: from localhost ([2a00:79e0:2e7c:8:6286:f060:4b08:96eb]) by smtp.gmail.com with UTF8SMTPSA id a92af1059eb24-134cc33a67csm10704810c88.13.2026.05.15.12.23.43 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 15 May 2026 12:23:44 -0700 (PDT) Date: Fri, 15 May 2026 12:23:41 -0700 From: Brian Norris To: Chen-Yu Tsai Cc: Joe Perches , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Andy Whitcroft , Dwaipayan Ray , Lukas Bulwahn , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Yingying Tang Subject: Re: [PATCH] checkpatch: Don't emit warnings for USB & PCI device DT compatible prefixes Message-ID: References: <20260514105151.2771474-1-wenst@chromium.org> <1eee92b884068d649ef7be9f7d931da27aa04536.camel@perches.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: On Fri, May 15, 2026 at 11:24:09AM +0800, Chen-Yu Tsai wrote: > We could import Documentation/devicetree/bindings/processed-schema.json > and match against the compatibles and vendor prefixes from that. It > might actually be faster (vs grepping through the entire DT bindings > directory), but it requires the user having run make commands that > produce it. Personally, I would avoid having checkpatch do more duplication of other/better tools, like the DT schema validator. I'd also avoid having it run other tools that are not guaranteed to be easily available. I would focus on eliminating the false positives, even if that means making checkpatch less likely to catch omissions. But my opinion may not be valuable. Brian