linux-kernel - Re: [PATCH v4 07/10] arm64: select HAVE_SHARED_GPIOS for ARCH

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Message-ID: <0829a21c-f97d-41b6-90bc-2acaec42caab@nvidia.com>
Date: Wed, 26 Nov 2025 14:24:02 +0000
From: Jon Hunter <jonathanh@...dia.com>
To: Bartosz Golaszewski <brgl@...ev.pl>, Kees Cook <kees@...nel.org>,
 Mika Westerberg <westeri@...nel.org>,
 Dmitry Torokhov <dmitry.torokhov@...il.com>,
 Andrew Morton <akpm@...ux-foundation.org>,
 Linus Walleij <linus.walleij@...aro.org>,
 Manivannan Sadhasivam <mani@...nel.org>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Saravana Kannan <saravanak@...gle.com>,
 Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
 Andy Shevchenko <andy@...nel.org>, Catalin Marinas
 <catalin.marinas@....com>, Will Deacon <will@...nel.org>,
 Srinivas Kandagatla <srini@...nel.org>, Liam Girdwood <lgirdwood@...il.com>,
 Mark Brown <broonie@...nel.org>, Jaroslav Kysela <perex@...ex.cz>,
 Takashi Iwai <tiwai@...e.com>, Alexey Klimov <alexey.klimov@...aro.org>,
 Bjorn Andersson <andersson@...nel.org>,
 Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-hardening@...r.kernel.org, linux-kernel@...r.kernel.org,
 linux-gpio@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-sound@...r.kernel.org, linux-arm-msm@...r.kernel.org,
 Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
 "linux-tegra@...r.kernel.org" <linux-tegra@...r.kernel.org>
Subject: Re: [PATCH v4 07/10] arm64: select HAVE_SHARED_GPIOS for ARCH_QCOM

Hi Bartosz,

On 12/11/2025 13:55, Bartosz Golaszewski wrote:
> From: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> 
> Some qualcomm platforms use shared GPIOs. Enable support for them by
> selecting the Kconfig switch provided by GPIOLIB.
> 
> Acked-by: Linus Walleij <linus.walleij@...aro.org>
> Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
> ---
>   arch/arm64/Kconfig.platforms | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
> index 13173795c43d4f28e2d47acc700f80a165d44671..3dbff0261f0add0516d8cb3fd0f29e277af94f20 100644
> --- a/arch/arm64/Kconfig.platforms
> +++ b/arch/arm64/Kconfig.platforms
> @@ -316,6 +316,7 @@ config ARCH_QCOM
>   	select GPIOLIB
>   	select PINCTRL
>   	select HAVE_PWRCTRL if PCI
> +	select HAVE_SHARED_GPIOS
>   	help
>   	  This enables support for the ARMv8 based Qualcomm chipsets.
>   

I have noticed the following kernel warning on our Tegra platforms ...

  ERR KERN OF: /__symbols__: could not find phandle 794981747

Bisect is pointing to this commit and reverting this does prevent it. I 
am not sure if anyone else has seen this?

Jon
-- 
nvpublic