From: Andy Shevchenko <andriy.shevchenko@intel.com>
To: Linus Walleij <linus.walleij@linaro.org>
Cc: Bartosz Golaszewski <brgl@bgdev.pl>,
Bjorn Andersson <andersson@kernel.org>,
Konrad Dybcio <konradybcio@kernel.org>,
Alexey Klimov <alexey.klimov@linaro.org>,
Lorenzo Bianconi <lorenzo@kernel.org>,
Sean Wang <sean.wang@kernel.org>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
Paul Cercueil <paul@crapouillou.net>, Kees Cook <kees@kernel.org>,
Andy Shevchenko <andy@kernel.org>,
Andrew Morton <akpm@linux-foundation.org>,
David Hildenbrand <david@redhat.com>,
Lorenzo Stoakes <lorenzo.stoakes@oracle.com>,
"Liam R. Howlett" <Liam.Howlett@oracle.com>,
Vlastimil Babka <vbabka@suse.cz>, Mike Rapoport <rppt@kernel.org>,
Suren Baghdasaryan <surenb@google.com>,
Michal Hocko <mhocko@suse.com>,
Dong Aisheng <aisheng.dong@nxp.com>,
Fabio Estevam <festevam@gmail.com>,
Shawn Guo <shawnguo@kernel.org>, Jacky Bai <ping.bai@nxp.com>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
NXP S32 Linux Team <s32@nxp.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
Tony Lindgren <tony@atomide.com>,
Haojian Zhuang <haojian.zhuang@linaro.org>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
"Rafael J. Wysocki" <rafael@kernel.org>,
Danilo Krummrich <dakr@kernel.org>,
Neil Armstrong <neil.armstrong@linaro.org>,
Mark Brown <broonie@kernel.org>,
linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-msm@vger.kernel.org,
linux-mediatek@lists.infradead.org,
linux-arm-kernel@lists.infradead.org, linux-mips@vger.kernel.org,
linux-hardening@vger.kernel.org, linux-mm@kvack.org,
imx@lists.linux.dev, linux-omap@vger.kernel.org,
linux-renesas-soc@vger.kernel.org,
Bartosz Golaszewski <bartosz.golaszewski@linaro.org>,
stable@vger.kernel.org, Chen-Yu Tsai <wenst@chromium.org>,
Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Subject: Re: [PATCH v7 00/16] pinctrl: introduce the concept of a GPIO pin function category
Date: Wed, 3 Sep 2025 14:51:59 +0300 [thread overview]
Message-ID: <aLgr30rvGBCcsOWa@smile.fi.intel.com> (raw)
In-Reply-To: <CACRpkdZ-Toq9MziPisZCcT7zcL3rosQYZ1Jw=RWCH1KZTbeBug@mail.gmail.com>
On Wed, Sep 03, 2025 at 12:18:18AM +0200, Linus Walleij wrote:
> On Tue, Sep 2, 2025 at 1:59 PM Bartosz Golaszewski <brgl@bgdev.pl> wrote:
>
> > We have many Qualcomm SoCs (and I can imagine it's a common pattern in
> > other platforms as well) where we mux a pin to "gpio" function using the
> > `pinctrl-X` property in order to configure bias or drive-strength and
> > then access it using the gpiod API. This makes it impossible to mark the
> > pin controller module as "strict".
> >
> > This series proposes to introduce a concept of a sub-category of
> > pinfunctions: GPIO functions where the above is not true and the pin
> > muxed as a GPIO can still be accessed via the GPIO consumer API even for
> > strict pinmuxers.
>
> This is what I want for pin control, and fixes an ages old issue
> that pin control has no intrinsic awareness of if a pin is muxed
> to a function providing GPIO.
> So patches applied!
No objections, let's move on.
> Any remaining code nitpicks can be fixed in-tree, I need this
> to be able to apply the much desired Broadcom STB driver,
> so this needs to go into -next now for cooking.
>
> I also want to strictify some drivers using this, bringing GPIO
> function awareness into them, which is a good thing!
Well said!
--
With Best Regards,
Andy Shevchenko
prev parent reply other threads:[~2025-09-03 11:52 UTC|newest]
Thread overview: 51+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-02 11:59 [PATCH v7 00/16] pinctrl: introduce the concept of a GPIO pin function category Bartosz Golaszewski
2025-09-02 11:59 ` [PATCH v7 01/16] pinctrl: check the return value of pinmux_ops::get_function_name() Bartosz Golaszewski
2025-09-02 13:06 ` Andy Shevchenko
2025-09-02 13:29 ` Bartosz Golaszewski
2025-09-02 13:50 ` Andy Shevchenko
2025-09-02 14:02 ` Bartosz Golaszewski
2025-09-02 14:20 ` Andy Shevchenko
2025-09-02 11:59 ` [PATCH v7 02/16] devres: provide devm_kmemdup_const() Bartosz Golaszewski
2025-09-02 11:59 ` [PATCH v7 03/16] pinctrl: ingenic: use struct pinfunction instead of struct function_desc Bartosz Golaszewski
2025-09-02 11:59 ` [PATCH v7 04/16] pinctrl: airoha: replace struct function_desc with struct pinfunction Bartosz Golaszewski
2025-09-02 11:59 ` [PATCH v7 05/16] pinctrl: mediatek: mt7988: use PINCTRL_PIN_FUNCTION() Bartosz Golaszewski
2025-09-02 11:59 ` [PATCH v7 06/16] pinctrl: mediatek: moore: replace struct function_desc with struct pinfunction Bartosz Golaszewski
2025-09-02 11:59 ` [PATCH v7 07/16] pinctrl: imx: don't access the pin function radix tree directly Bartosz Golaszewski
2025-09-03 12:07 ` Mark Brown
2025-09-02 11:59 ` [PATCH v7 08/16] pinctrl: keembay: release allocated memory in detach path Bartosz Golaszewski
2025-09-02 13:10 ` Andy Shevchenko
2025-09-02 13:30 ` Bartosz Golaszewski
2025-09-02 11:59 ` [PATCH v7 09/16] pinctrl: keembay: use a dedicated structure for the pinfunction description Bartosz Golaszewski
2025-09-02 11:59 ` [PATCH v7 10/16] pinctrl: constify pinmux_generic_get_function() Bartosz Golaszewski
2025-09-02 11:59 ` [PATCH v7 11/16] pinctrl: make struct pinfunction a pointer in struct function_desc Bartosz Golaszewski
2025-09-02 11:59 ` [PATCH v7 12/16] pinctrl: qcom: use generic pin function helpers Bartosz Golaszewski
2025-09-02 13:15 ` Andy Shevchenko
2025-09-02 13:32 ` Bartosz Golaszewski
2025-09-02 15:12 ` Krzysztof Kozlowski
2025-09-02 15:27 ` Andy Shevchenko
2025-09-02 15:38 ` Krzysztof Kozlowski
2025-09-02 11:59 ` [PATCH v7 13/16] pinctrl: allow to mark pin functions as requestable GPIOs Bartosz Golaszewski
2025-09-02 14:31 ` Andy Shevchenko
2025-09-02 17:50 ` Bartosz Golaszewski
2025-09-02 11:59 ` [PATCH v7 14/16] pinctrl: qcom: add infrastructure for marking pin functions as GPIOs Bartosz Golaszewski
2025-09-02 11:59 ` [PATCH v7 15/16] pinctrl: qcom: mark the `gpio` and `egpio` pins function as non-strict functions Bartosz Golaszewski
2025-09-02 14:32 ` Andy Shevchenko
2025-09-02 11:59 ` [PATCH v7 16/16] pinctrl: qcom: make the pinmuxing strict Bartosz Golaszewski
2025-09-02 14:38 ` Andy Shevchenko
2025-09-02 17:41 ` Bartosz Golaszewski
2025-09-02 20:46 ` Andy Shevchenko
2025-09-03 7:33 ` Bartosz Golaszewski
2025-09-03 10:22 ` Andy Shevchenko
2025-09-03 10:34 ` Bartosz Golaszewski
2025-09-03 10:38 ` Andy Shevchenko
2025-09-03 10:41 ` Bartosz Golaszewski
2025-09-03 10:53 ` Andy Shevchenko
2025-09-03 11:05 ` Bartosz Golaszewski
2025-09-03 11:51 ` Andy Shevchenko
2025-09-03 12:06 ` Bartosz Golaszewski
2025-09-03 11:06 ` Mark Brown
2025-09-03 7:34 ` Geert Uytterhoeven
2025-09-02 14:46 ` [PATCH v7 00/16] pinctrl: introduce the concept of a GPIO pin function category Andy Shevchenko
2025-09-02 17:37 ` Bartosz Golaszewski
2025-09-02 22:18 ` Linus Walleij
2025-09-03 11:51 ` Andy Shevchenko [this message]
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