linux-kernel - Re: [PATCH] gpiolib: acpi: initialize acpi_gpio

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Message-ID: <aMgzYa-I5SQHaAY2@smile.fi.intel.com>
Date: Mon, 15 Sep 2025 18:40:17 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Sébastien Szymanski <sebastien.szymanski@...adeus.com>
Cc: Mika Westerberg <westeri@...nel.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Bartosz Golaszewski <brgl@...ev.pl>,
	Mika Westerberg <mika.westerberg@...ux.intel.com>,
	linux-gpio@...r.kernel.org, linux-acpi@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] gpiolib: acpi: initialize acpi_gpio_info struct

On Fri, Sep 12, 2025 at 10:18:50PM +0200, Sébastien Szymanski wrote:
> Since commit 7c010d463372 ("gpiolib: acpi: Make sure we fill struct
> acpi_gpio_info"), uninitialized acpi_gpio_info struct are passed to
> __acpi_find_gpio() and later in the call stack info->quirks is used in
> acpi_populate_gpio_lookup. This breaks the i2c_hid_cpi driver:
> 
> [   58.122916] i2c_hid_acpi i2c-UNIW0001:00: HID over i2c has not been provided an Int IRQ
> [   58.123097] i2c_hid_acpi i2c-UNIW0001:00: probe with driver i2c_hid_acpi failed with error -22
> 
> Fix this by initializing the acpi_gpio_info pass to __acpi_find_gpio()

Pushed to my review and testing queue, thanks!

-- 
With Best Regards,
Andy Shevchenko