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Received: from TYZPR03MB6896.apcprd03.prod.outlook.com (2603:1096:400:289::14) by TY1PPF52C9F4C99.apcprd03.prod.outlook.com (2603:1096:408::a56) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9478.5; Tue, 6 Jan 2026 09:32:50 +0000 Received: from TYZPR03MB6896.apcprd03.prod.outlook.com ([fe80::ac4e:718:3b03:3123]) by TYZPR03MB6896.apcprd03.prod.outlook.com ([fe80::ac4e:718:3b03:3123%4]) with mapi id 15.20.9478.005; Tue, 6 Jan 2026 09:32:50 +0000 Message-ID: <7dc8a830-5863-412c-bcf3-498f47b35615@amlogic.com> Date: Tue, 6 Jan 2026 17:32:46 +0800 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] pinctrl: meson: amlogic-a4: mark the GPIO controller as sleeping Content-Language: en-US To: Neil Armstrong , Bartosz Golaszewski , Linus Walleij , Kevin Hilman , Jerome Brunet , Martin Blumenstingl , Bartosz Golaszewski Cc: linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, stable@vger.kernel.org References: <20260106085253.20858-1-bartosz.golaszewski@oss.qualcomm.com> <10d5df9b-842c-45d3-8821-d4ca0c364e97@linaro.org> From: Xianwei Zhao In-Reply-To: <10d5df9b-842c-45d3-8821-d4ca0c364e97@linaro.org> Content-Type: text/plain; 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On 2026/1/6 16:55, Neil Armstrong wrote: > The GPIO controller is configured as non-sleeping but it uses generic > pinctrl helpers which use a mutex for synchronization. This will cause > lockdep splats when used together with shared GPIOs going through the > GPIO shared proxy driver. > > Fixes: 6e9be3abb78c ("pinctrl: Add driver support for Amlogic SoCs") > Cc: stable@vger.kernel.org > Reported-by: Martin Blumenstingl > Closes: > https://lore.kernel.org/all/CAFBinCAc7CO8gfNQakCu3LfkYXuyTd2iRpMRm8EKXSL0mwOnJw@mail.gmail.com/ > Signed-off-by: Bartosz Golaszewski > --- >   drivers/pinctrl/meson/pinctrl-amlogic-a4.c | 2 +- >   1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/pinctrl/meson/pinctrl-amlogic-a4.c > b/drivers/pinctrl/meson/pinctrl-amlogic-a4.c > index d9e3a8d5932a..ded7b218e2ec 100644 > --- a/drivers/pinctrl/meson/pinctrl-amlogic-a4.c > +++ b/drivers/pinctrl/meson/pinctrl-amlogic-a4.c > @@ -893,7 +893,7 @@ static const struct gpio_chip aml_gpio_template = { >       .direction_input        = aml_gpio_direction_input, >       .direction_output       = aml_gpio_direction_output, >       .get_direction          = aml_gpio_get_direction, > -     .can_sleep              = false, > +     .can_sleep              = true, >   }; > >   static void init_bank_register_bit(struct aml_pinctrl *info,