From: "Arnd Bergmann" <arnd@arndb.de>
To: "Sasha Levin" <sashal@kernel.org>,
patches@lists.linux.dev, stable@vger.kernel.org
Cc: "kernel test robot" <lkp@intel.com>, "Lee Jones" <lee@kernel.org>,
"Linus Walleij" <linus.walleij@linaro.org>,
"Bartosz Golaszewski" <brgl@bgdev.pl>,
"Mark Brown" <broonie@kernel.org>,
srinivas.kandagatla@oss.qualcomm.com,
"ChiYuan Huang" <cy_huang@richtek.com>,
wangweidong.a@awinic.com, nick.li@foursemi.com,
"Richard Fitzgerald" <rf@opensource.cirrus.com>,
alexey.klimov@linaro.org, niranjan.hy@ti.com,
shenghao-ding@ti.com, linux <linux@treblig.org>,
"Nuno Sá" <nuno.sa@analog.com>,
"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>
Subject: Re: [PATCH AUTOSEL 6.17-5.4] mfd: si476x: Add GPIOLIB_LEGACY dependency
Date: Thu, 09 Oct 2025 18:03:53 +0200 [thread overview]
Message-ID: <a137ca66-710a-4b0c-91e4-c69c68a21089@app.fastmail.com> (raw)
In-Reply-To: <20251009155752.773732-102-sashal@kernel.org>
On Thu, Oct 9, 2025, at 17:56, Sasha Levin wrote:
> - Why it’s 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 gpiolib
> 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
next prev parent reply other threads:[~2025-10-09 16:04 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20251009155752.773732-1-sashal@kernel.org>
2025-10-09 15:54 ` [PATCH AUTOSEL 6.17-5.10] pinctrl: single: fix bias pull up/down handling in pin_config_set Sasha Levin
2025-10-09 15:55 ` [PATCH AUTOSEL 6.17-6.6] pinctrl: keembay: release allocated memory in detach path Sasha Levin
2025-10-09 15:56 ` [PATCH AUTOSEL 6.17-5.4] mfd: si476x: Add GPIOLIB_LEGACY dependency Sasha Levin
2025-10-09 16:03 ` Arnd Bergmann [this message]
2025-11-04 0:30 ` Sasha Levin
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