linux-kernel - Re: [PATCH] gpio: swnode: compare the "undefined" swnode by its address, not name

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Message-ID: <aVFsXuSacKr483W8@smile.fi.intel.com>
Date: Sun, 28 Dec 2025 19:43:58 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Bartosz Golaszewski <bartosz.golaszewski@....qualcomm.com>
Cc: Charles Keepax <ckeepax@...nsource.cirrus.com>,
	Linus Walleij <linusw@...nel.org>,
	Bartosz Golaszewski <brgl@...nel.org>, linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] gpio: swnode: compare the "undefined" swnode by its
 address, not name

On Mon, Dec 15, 2025 at 04:46:24PM +0100, Bartosz Golaszewski wrote:
> We know the address of the underlying remote software node referenced by
> the GPIO property (if it is a software node). We don't need to compare
> its name, we can compare its address which is more precise anyway.

...

> -const struct software_node swnode_gpio_undefined = {
> -	.name = GPIOLIB_SWNODE_UNDEFINED_NAME,
> -};
> +const struct software_node swnode_gpio_undefined = { };

This will remove the name from sysfs, which may be informative.

-- 
With Best Regards,
Andy Shevchenko