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Fri, 07 Aug 2026 02:09:25 -0700 (PDT) Received: from [192.168.0.101] ([109.77.30.205]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-48002145966sm3871692f8f.5.2026.08.07.02.09.24 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 07 Aug 2026 02:09:24 -0700 (PDT) Message-ID: Date: Fri, 7 Aug 2026 10:09:23 +0100 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/4] phy: rockchip-samsung-dcphy: factor MIPI D-PHY power on/off into helpers To: Sebastian Reichel Cc: jason98166@gmail.com, Vinod Koul , Neil Armstrong , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Guochun Huang , Philipp Zabel , linux-phy@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org References: <20260726-dcphy-rx-v1-v2-0-cf9cc34a412a@gmail.com> <20260726-dcphy-rx-v1-v2-2-cf9cc34a412a@gmail.com> <43327fb2-0085-4d86-b408-8723d852c258@linaro.org> From: Bryan O'Donoghue Content-Language: en-GB In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260807_020927_167238_F941D5A7 X-CRM114-Status: GOOD ( 10.32 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 06/08/2026 20:31, Sebastian Reichel wrote: >> This looks a bit funny. >> >> Do you have an int method() {} with a final path that returns no value ? >> >> Tooling/compilers will definitely and rightly complain about that. > int function() { > ... > > switch(foo) { > case 42: > return 1; > default: > return 0; > } > /* cannot be reached */ > } > > Greetings, > > -- Sebastian Hmm. The LLM tells me there is no compiler version that will generate a warning for this. Entertaining overdone too "Across compilers that will ever see this code: yes, and I can now show it rather than assert it — I installed the spread. gcc 12, 13, 14 and clang 18, from -Wall -Wextra -Wpedantic upward: clean. Then the decisive one: clang -Weverything — every diagnostic clang possesses, a strict superset of any CI configuration that can exist — on Sebastian's exact function: zero output." Meh --- bod