linux-kernel - Re: [PATCH 4/6] pinctrl: sprd: Add pinctrl support for UMS512

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Message-ID: <ZOh/wpBKoO9wYYE4@smile.fi.intel.com>
Date:   Fri, 25 Aug 2023 13:17:38 +0300
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Linhua Xu <Linhua.xu@...soc.com>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Orson Zhai <orsonzhai@...il.com>,
        Baolin Wang <baolin.wang@...ux.alibaba.com>,
        Chunyan Zhang <zhang.lyra@...il.com>,
        linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        lh xu <xulh0829@...il.com>,
        Xiongpeng Wu <xiongpeng.wu@...soc.com>
Subject: Re: [PATCH 4/6] pinctrl: sprd: Add pinctrl support for UMS512

On Fri, Aug 25, 2023 at 11:18:24AM +0800, Linhua Xu wrote:
> From: Linhua Xu <Linhua.Xu@...soc.com>
> 
> This patch adds the pin control driver for UNISOC UMS512 platform.

Read "Submitting Patches" documentation and find there what to do
with "This patch..."

...

> +config PINCTRL_SPRD_UMS512
> +	tristate "Spreadtrum ums512 pinctrl driver"

> +	depends on OF

Shouldn't you drop this from all drivers you have? I do not see this driver
being dependent on the OF.

> +	depends on ARCH_SPRD || COMPILE_TEST
> +	select PINCTRL_SPRD

...

kernel.h for ARRAY_SIZE()

> +#include <linux/module.h>
> +#include <linux/mod_devicetable.h>
> +#include <linux/platform_device.h>

...

> +#define	PINCTRL_REG_OFFSET		0x34

0x0034

> +#define	PINCTRL_REG_MISC_OFFSET		0x434

> +static int sprd_pinctrl_probe(struct platform_device *pdev)
> +{
> +	return sprd_pinctrl_core_probe(pdev, sprd_ums512_pins_info,
> +				       ARRAY_SIZE(sprd_ums512_pins_info),
> +				       PINCTRL_REG_OFFSET,
> +				       PINCTRL_REG_MISC_OFFSET);
> +}

...

> +static const struct of_device_id sprd_pinctrl_of_match[] = {
> +	{
> +		.compatible = "sprd,ums512-pinctrl",
> +	},

Can be one line.

> +	{ },

Drop trailing comma in the terminator entry.

> +};

...

> +static struct platform_driver sprd_pinctrl_driver = {
> +	.driver = {
> +		.name = "sprd-pinctrl",
> +		.of_match_table = sprd_pinctrl_of_match,
> +	},
> +	.probe = sprd_pinctrl_probe,
> +	.remove = sprd_pinctrl_remove,
> +	.shutdown = sprd_pinctrl_shutdown,
> +};

> +

Redundant blank line.

> +module_platform_driver(sprd_pinctrl_driver);

-- 
With Best Regards,
Andy Shevchenko