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From: Sascha Hauer <s.hauer@pengutronix.de>
To: "Peng Fan (OSS)" <peng.fan@oss.nxp.com>
Cc: Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Shawn Guo <shawnguo@kernel.org>,
	Pengutronix Kernel Team <kernel@pengutronix.de>,
	Fabio Estevam <festevam@gmail.com>,
	Dong Aisheng <aisheng.dong@nxp.com>, Jacky Bai <ping.bai@nxp.com>,
	NXP S32 Linux Team <s32@nxp.com>,
	Linus Walleij <linus.walleij@linaro.org>,
	devicetree@vger.kernel.org, imx@lists.linux.dev,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, linux-gpio@vger.kernel.org,
	Peng Fan <peng.fan@nxp.com>
Subject: Re: [PATCH 2/3] pinctrl: imx-scmi: Get daisy register offset from DT
Date: Mon, 12 May 2025 08:17:42 +0200	[thread overview]
Message-ID: <aCGShsaItUTf2Z14@pengutronix.de> (raw)
In-Reply-To: <20250512-pin-v1-2-d9f1555a55ad@nxp.com>

On Mon, May 12, 2025 at 10:14:15AM +0800, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@nxp.com>
> 
> Parsing the "nxp,iomuxc-daisy-off" to get the daisy register offset,
> then no need to hardcode the register offset in driver for new SoCs.
> 
> To keep backwards comatibility, still keep the register offset for i.MX95.
> 
> Signed-off-by: Peng Fan <peng.fan@nxp.com>
> ---
>  drivers/pinctrl/freescale/pinctrl-imx-scmi.c | 26 +++++++++++++++-----------
>  1 file changed, 15 insertions(+), 11 deletions(-)
> 
> @@ -315,6 +307,18 @@ static int scmi_pinctrl_imx_probe(struct scmi_device *sdev)
>  	if (!pmx)
>  		return -ENOMEM;
>  
> +	ret = device_property_read_u32(dev, "nxp,iomuxc-daisy-off", &pmx->daisy_off);

"off" is really a poor acronym for "offset" as it unnecessarily confuses
the reader by suggesting this is about turning some feature off. Please
add the three bytes and just call it offset.

Sascha

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  reply	other threads:[~2025-05-12  6:17 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-05-12  2:14 [PATCH 0/3] pinctrl: imx-scmi: Introdue nxp,iomuxc-daisy-off Peng Fan (OSS)
2025-05-12  2:14 ` [PATCH 1/3] dt-bindings: firmware: nxp,imx95-scmi-pinctrl: Introduce nxp,iomuxc-daisy-off Peng Fan (OSS)
2025-05-12 16:20   ` Conor Dooley
2025-05-13  7:55     ` Peng Fan
2025-05-13 13:20       ` Linus Walleij
2025-05-14  9:27         ` Peng Fan
2025-05-12  2:14 ` [PATCH 2/3] pinctrl: imx-scmi: Get daisy register offset from DT Peng Fan (OSS)
2025-05-12  6:17   ` Sascha Hauer [this message]
2025-05-13  7:56     ` Peng Fan
2025-05-12  2:14 ` [PATCH 3/3] arm64: dts: imx95: Add property nxp,iomuxc-daisy-off Peng Fan (OSS)

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