linux-kernel - Re: [Linux-stm32] Kconfig dangling references (BZ 216748)

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Message-ID: <eb7c246a-6c5f-4d8d-bc96-2a71ece2e042@infradead.org>
Date: Sun, 4 Jan 2026 17:17:14 -0800
From: Randy Dunlap <rdunlap@...radead.org>
To: Antonio Borneo <antonio.borneo@...s.st.com>, Arnd Bergmann
 <arnd@...db.de>, Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc: linux-sh@...r.kernel.org,
 Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
 Vaibhav Hiremath <hvaibhav.linux@...il.com>,
 "dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
 andrew.jones@...ux.dev, Paul Cercueil <paul@...pouillou.net>,
 Max Filippov <jcmvbkbc@...il.com>, linux-stm32@...md-mailman.stormreply.com,
 chrome-platform@...ts.linux.dev, openbmc@...ts.ozlabs.org, x86@...nel.org,
 Andy Shevchenko <andy.shevchenko@...il.com>,
 Matti Vaittinen <mazziesaccount@...il.com>,
 Philipp Zabel <p.zabel@...gutronix.de>, Paul Kocialkowski
 <paulk@...-base.io>, linux-sound@...r.kernel.org,
 "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>,
 Linux-OMAP <linux-omap@...r.kernel.org>,
 Linux ARM <linux-arm-kernel@...ts.infradead.org>,
 linux-mips@...r.kernel.org, asahi@...ts.linux.dev,
 Srinivas Kandagatla <srini@...nel.org>, Jonathan Cameron <jic23@...nel.org>
Subject: Re: [Linux-stm32] Kconfig dangling references (BZ 216748)



On 12/8/25 1:48 AM, Antonio Borneo wrote:
> On Mon, 2025-12-08 at 09:55 +0100, Arnd Bergmann wrote:
>> On Mon, Dec 8, 2025, at 03:04, Randy Dunlap wrote:
>>> from  https://bugzilla.kernel.org/show_bug.cgi?id=216748
>>>
>>> The bugzilla entry includes a Perl script and a shell script.
>>> This is the edited result of running them (I removed some entries that 
>>> were noise).
>>>
>>> I'll try to Cc: all of the relevant mailing lists or individuals.
>>>
>>> ...
>>>
>>> MACH_STM32MP25 ---
>>> drivers/pinctrl/stm32/Kconfig:58:       default MACH_STM32MP25 || (ARCH_STM32 
>>> && ARM64)
>>
>> This was likely intended for 32-bit kernels on 64-bit STM32MP25
>> chips, which we don't support. I think this can go.
> 
> Yes, I fully agree!
> 
> I have a series pinctrl stm32 to be rebased on v6.19-rc1 and I can include the
> drop of MACH_STM32MP25 inside it.

and what about this dangling symbol?
arch/arm64/Kconfig.platforms:375:	select ARM_SMC_MBOX

It was merged with ARCH_STM32 in
9e4e24414cc6 ("arm64: introduce STM32 family on Armv8 architecture")

Same answer as for MACH_STM32MP25?
If so, Antonio, can you take care of that one also, please?

thanks.
-- 
~Randy