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Thu, 9 Oct 2025 12:04:14 -0400 (EDT) X-Mailer: MessagingEngine.com Webmail Interface Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ThreadId: AJYdjsWmbJsF Date: Thu, 09 Oct 2025 18:03:53 +0200 From: "Arnd Bergmann" To: "Sasha Levin" , patches@lists.linux.dev, stable@vger.kernel.org Cc: "kernel test robot" , "Lee Jones" , "Linus Walleij" , "Bartosz Golaszewski" , "Mark Brown" , srinivas.kandagatla@oss.qualcomm.com, "ChiYuan Huang" , wangweidong.a@awinic.com, nick.li@foursemi.com, "Richard Fitzgerald" , alexey.klimov@linaro.org, niranjan.hy@ti.com, shenghao-ding@ti.com, linux , =?UTF-8?Q?Nuno_S=C3=A1?= , "open list:GPIO SUBSYSTEM" Message-Id: In-Reply-To: <20251009155752.773732-102-sashal@kernel.org> References: <20251009155752.773732-1-sashal@kernel.org> <20251009155752.773732-102-sashal@kernel.org> Subject: Re: [PATCH AUTOSEL 6.17-5.4] mfd: si476x: Add GPIOLIB_LEGACY dependency Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable On Thu, Oct 9, 2025, at 17:56, Sasha Levin wrote: > - Why it=E2=80=99s needed in stable > - The GPIO subsystem recently made legacy interfaces optional/fenced > off, which exposed drivers still using global GPIO numbers. This > patch is part of that follow-up hardening: it gates the si476x core > on `GPIOLIB_LEGACY`, avoiding invalid build combinations. It is a > pure Kconfig fix with no runtime behavior change, directly > addressing a regression introduced by the gpiolib changes and thus= a > textbook stable backport candidate for trees that have those gpiol= ib > changes. This is incorrect, the patch does not need to be backported because at the moment CONFIG_GPIOLIB_LEGACY is enabled unconditionally, and the coming patch to make it optional will not get backported. Arnd