linux-hardening - Re: [PATCH v5 00/15] pinctrl: introduce the concept of a GPIO pin function category

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Message-ID: <CAHp75VephepLq61HrVy=PX2oKUQd5NK2qS-vOC5h_NR65td3Uw@mail.gmail.com>
Date: Tue, 19 Aug 2025 21:31:17 +0300
From: Andy Shevchenko <andy.shevchenko@...il.com>
To: Linus Walleij <linus.walleij@...aro.org>
Cc: Bartosz Golaszewski <brgl@...ev.pl>, Bjorn Andersson <andersson@...nel.org>, 
	Konrad Dybcio <konradybcio@...nel.org>, Alexey Klimov <alexey.klimov@...aro.org>, 
	Lorenzo Bianconi <lorenzo@...nel.org>, Sean Wang <sean.wang@...nel.org>, 
	Matthias Brugger <matthias.bgg@...il.com>, 
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
	Paul Cercueil <paul@...pouillou.net>, Kees Cook <kees@...nel.org>, 
	Andy Shevchenko <andy@...nel.org>, Andrew Morton <akpm@...ux-foundation.org>, 
	David Hildenbrand <david@...hat.com>, Lorenzo Stoakes <lorenzo.stoakes@...cle.com>, 
	"Liam R. Howlett" <Liam.Howlett@...cle.com>, Vlastimil Babka <vbabka@...e.cz>, 
	Mike Rapoport <rppt@...nel.org>, Suren Baghdasaryan <surenb@...gle.com>, Michal Hocko <mhocko@...e.com>, 
	Dong Aisheng <aisheng.dong@....com>, Fabio Estevam <festevam@...il.com>, 
	Shawn Guo <shawnguo@...nel.org>, Jacky Bai <ping.bai@....com>, 
	Pengutronix Kernel Team <kernel@...gutronix.de>, NXP S32 Linux Team <s32@....com>, 
	Sascha Hauer <s.hauer@...gutronix.de>, Tony Lindgren <tony@...mide.com>, 
	Haojian Zhuang <haojian.zhuang@...aro.org>, Geert Uytterhoeven <geert+renesas@...der.be>, 
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>, "Rafael J. Wysocki" <rafael@...nel.org>, 
	Danilo Krummrich <dakr@...nel.org>, linux-gpio@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-arm-msm@...r.kernel.org, linux-mediatek@...ts.infradead.org, 
	linux-arm-kernel@...ts.infradead.org, linux-mips@...r.kernel.org, 
	linux-hardening@...r.kernel.org, linux-mm@...ck.org, imx@...ts.linux.dev, 
	linux-omap@...r.kernel.org, linux-renesas-soc@...r.kernel.org, 
	Bartosz Golaszewski <bartosz.golaszewski@...aro.org>, Chen-Yu Tsai <wenst@...omium.org>, 
	Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Subject: Re: [PATCH v5 00/15] pinctrl: introduce the concept of a GPIO pin
 function category

On Tue, Aug 19, 2025 at 4:02 PM Linus Walleij <linus.walleij@...aro.org> wrote:
> On Fri, Aug 15, 2025 at 11:09 AM Bartosz Golaszewski <brgl@...ev.pl> wrote:

...

> >       devres: provide devm_kmemdup_const()
> >       pinctrl: ingenic: use struct pinfunction instead of struct function_desc
> >       pinctrl: airoha: replace struct function_desc with struct pinfunction
> >       pinctrl: mediatek: mt7988: use PINCTRL_PIN_FUNCTION()
> >       pinctrl: mediatek: moore: replace struct function_desc with struct pinfunction
> >       pinctrl: imx: don't access the pin function radix tree directly
> >       pinctrl: keembay: release allocated memory in detach path
> >       pinctrl: keembay: use a dedicated structure for the pinfunction description
> >       pinctrl: constify pinmux_generic_get_function()
> >       pinctrl: make struct pinfunction a pointer in struct function_desc
> >       pinctrl: qcom: use generic pin function helpers
> >       pinctrl: allow to mark pin functions as requestable GPIOs
>
> I applied these 12 patches as a starter so they can
> stabilize in linux-next.

Hmm... I'm still sure that we don't need to have a separate flags
field, but since I am on vacation and will be able to look at this
closer next week, I can't look closer to it.


-- 
With Best Regards,
Andy Shevchenko