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From: Bartosz Golaszewski <brgl@kernel.org>
To: Khristine Andreea Barbulescu <khristineandreea.barbulescu@oss.nxp.com>
Cc: Alberto Ruiz <aruizrui@redhat.com>,
	Christophe Lizzi <clizzi@redhat.com>,
	devicetree@vger.kernel.org,  Enric Balletbo <eballetb@redhat.com>,
	Eric Chanudet <echanude@redhat.com>,
	imx@lists.linux.dev,  linux-arm-kernel@lists.infradead.org,
	linux-gpio@vger.kernel.org,  linux-kernel@vger.kernel.org,
	NXP S32 Linux Team <s32@nxp.com>,
	 Pengutronix Kernel Team <kernel@pengutronix.de>,
	 "Vincent Guittot devicetree @ vger . kernel . org"
	<vincent.guittot@linaro.org>,
	Linus Walleij <linus.walleij@linaro.org>,
	 Bartosz Golaszewski <brgl@bgdev.pl>,
	Rob Herring <robh@kernel.org>,
	 Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	 Chester Lin <chester62515@gmail.com>,
	Matthias Brugger <mbrugger@suse.com>,
	 Ghennadi Procopciuc <ghennadi.procopciuc@nxp.com>,
	Larisa Grigore <larisa.grigore@nxp.com>,
	 Lee Jones <lee@kernel.org>, Shawn Guo <shawnguo@kernel.org>,
	 Sascha Hauer <s.hauer@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	 Dong Aisheng <aisheng.dong@nxp.com>,
	Jacky Bai <ping.bai@nxp.com>,
	 Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
	"Rafael J. Wysocki" <rafael@kernel.org>
Subject: Re: [PATCH v8 07/10] pinctrl: s32cc: skip syscon child nodes when parsing funcs and groups
Date: Tue, 20 Jan 2026 12:16:28 +0000	[thread overview]
Message-ID: <CAMRc=Md7+SWMpF20y-+-+Hn7ymkzuMeTxT2EsE3Cnb=B6YUG0w@mail.gmail.com> (raw)
In-Reply-To: <20260120115923.3463866-8-khristineandreea.barbulescu@oss.nxp.com>

On Tue, 20 Jan 2026 12:59:19 +0100, Khristine Andreea Barbulescu
<khristineandreea.barbulescu@oss.nxp.com> said:
> The SIUL2 node contains child nodes for syscon
> instances (SIUL2_0 and SIUL2_1) to expose register
> ranges for SoC information. These nodes are not
> part of the pinctrl configuration and should not
> be treated as pinctrl functions or groups.
>
> Signed-off-by: Khristine Andreea Barbulescu <khristineandreea.barbulescu@oss.nxp.com>
> ---
>  drivers/pinctrl/nxp/pinctrl-s32cc.c | 11 +++++++++--
>  1 file changed, 9 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/pinctrl/nxp/pinctrl-s32cc.c b/drivers/pinctrl/nxp/pinctrl-s32cc.c
> index cdd3a1cd4fe5..50d5a01107eb 100644
> --- a/drivers/pinctrl/nxp/pinctrl-s32cc.c
> +++ b/drivers/pinctrl/nxp/pinctrl-s32cc.c
> @@ -2,7 +2,7 @@
>  /*
>   * Core driver for the S32 CC (Common Chassis) pin controller
>   *
> - * Copyright 2017-2022,2024-2025 NXP
> + * Copyright 2017-2022,2024-2025-2026 NXP
>   * Copyright (C) 2022 SUSE LLC
>   * Copyright 2015-2016 Freescale Semiconductor, Inc.
>   */
> @@ -832,6 +832,9 @@ static int s32_pinctrl_parse_functions(struct device_node *np,
>
>  	dev_dbg(info->dev, "parse function(%u): %pOFn\n", index, np);
>
> +	if (of_device_is_compatible(np, "syscon"))
> +		return 0;
> +
>  	func = &info->functions[index];
>
>  	/* Initialise function */
> @@ -941,7 +944,8 @@ static int s32_pinctrl_probe_dt(struct platform_device *pdev,
>  		return -ENODEV;
>
>  	for_each_child_of_node_scoped(np, child)
> -		++nfuncs;
> +		if (!of_device_is_compatible(child, "syscon"))
> +			++nfuncs;
>  	if (nfuncs <= 0)
>  		return dev_err_probe(&pdev->dev, -EINVAL,
>  				     "No functions defined\n");
> @@ -962,6 +966,9 @@ static int s32_pinctrl_probe_dt(struct platform_device *pdev,
>  		return -ENOMEM;
>
>  	for_each_child_of_node_scoped(np, child) {
> +		if (of_device_is_compatible(child, "syscon"))
> +			continue;
> +
>  		ret = s32_pinctrl_parse_functions(child, info, i++);
>  		if (ret)
>  			return ret;
> --
> 2.50.1
>
>

Reviewed-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>

  reply	other threads:[~2026-01-20 12:16 UTC|newest]

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-01-20 11:59 [PATCH v8 00/10] gpio: siul2-s32g2: add initial GPIO driver Khristine Andreea Barbulescu
2026-01-20 11:59 ` [PATCH v8 01/10] dt-bindings: mfd: add support for the NXP SIUL2 module Khristine Andreea Barbulescu
2026-01-21  2:19   ` Rob Herring
2026-02-19 11:36     ` Khristine Andreea Barbulescu
2026-02-20 10:16       ` Krzysztof Kozlowski
2026-02-20 14:36         ` Khristine Andreea Barbulescu
2026-02-20 14:41           ` Krzysztof Kozlowski
2026-02-23 11:51             ` Khristine Andreea Barbulescu
2026-02-23 13:14               ` Krzysztof Kozlowski
2026-02-25  9:40                 ` Ghennadi Procopciuc
2026-03-03 13:28                   ` Ghennadi Procopciuc
2026-03-13 17:10                   ` Krzysztof Kozlowski
2026-03-14  7:31                     ` Arnd Bergmann
2026-03-23  7:57                       ` Khristine Andreea Barbulescu
2026-03-23  8:07                         ` Krzysztof Kozlowski
2026-03-31  7:48                           ` Khristine Andreea Barbulescu
2026-03-31 10:11                             ` Arnd Bergmann
2026-03-31 13:43                               ` Khristine Andreea Barbulescu
2026-03-31 14:08                                 ` Arnd Bergmann
2026-03-23 15:33                         ` Arnd Bergmann
2026-02-20 10:18       ` Krzysztof Kozlowski
2026-02-20 14:14         ` Khristine Andreea Barbulescu
2026-01-20 11:59 ` [PATCH v8 02/10] mfd: nxp-siul2: add support for NXP SIUL2 Khristine Andreea Barbulescu
2026-01-22 18:52   ` Sander Vanheule
2026-01-20 11:59 ` [PATCH v8 03/10] arm64: dts: s32g: change pinctrl node into the new mfd node Khristine Andreea Barbulescu
2026-01-27  9:13   ` Linus Walleij
2026-01-20 11:59 ` [PATCH v8 04/10] pinctrl: s32cc: use dev_err_probe() and improve error messages Khristine Andreea Barbulescu
2026-01-20 12:04   ` Bartosz Golaszewski
2026-01-20 11:59 ` [PATCH v8 05/10] pinctrl: s32cc: change to "devm_pinctrl_register_and_init" Khristine Andreea Barbulescu
2026-01-20 12:04   ` Bartosz Golaszewski
2026-01-20 11:59 ` [PATCH v8 06/10] pinctrl: s32g2: change the driver to also be probed as an MFD cell Khristine Andreea Barbulescu
2026-01-20 12:08   ` Bartosz Golaszewski
2026-01-23 13:57   ` Vincent Guittot
2026-01-20 11:59 ` [PATCH v8 07/10] pinctrl: s32cc: skip syscon child nodes when parsing funcs and groups Khristine Andreea Barbulescu
2026-01-20 12:16   ` Bartosz Golaszewski [this message]
2026-01-27  9:14   ` Linus Walleij
2026-01-20 11:59 ` [PATCH v8 08/10] pinctrl: s32cc: implement GPIO functionality Khristine Andreea Barbulescu
2026-01-23 13:56   ` Vincent Guittot
2026-01-20 11:59 ` [PATCH v8 09/10] MAINTAINERS: add MAINTAINER for NXP SIUL2 MFD driver Khristine Andreea Barbulescu
2026-01-27  9:17   ` Linus Walleij
2026-01-20 11:59 ` [PATCH v8 10/10] pinctrl: s32cc: set num_custom_params to 0 Khristine Andreea Barbulescu
2026-01-20 12:16   ` Bartosz Golaszewski
2026-01-20 13:45     ` Daniel Baluta
2026-01-20 19:49 ` [PATCH v8 00/10] gpio: siul2-s32g2: add initial GPIO driver Rob Herring

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