linux-kernel - Re: [PATCH 1/3] gpio: 104-idio-16: Define maximum valid register address offset

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Message-ID: <aPPj22GL56sP1gOK@ashevche-desk.local>
Date: Sat, 18 Oct 2025 22:00:43 +0300
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: William Breathitt Gray <wbg@...nel.org>
Cc: Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
	Linus Walleij <linus.walleij@...aro.org>,
	Michael Walle <mwalle@...nel.org>,
	Ioana Ciornei <ioana.ciornei@....com>,
	Mark Brown <broonie@...nel.org>, linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Mark Cave-Ayland <mark.caveayland@...anix.com>,
	stable@...r.kernel.org
Subject: Re: [PATCH 1/3] gpio: 104-idio-16: Define maximum valid register
 address offset

On Fri, Oct 17, 2025 at 09:58:01AM +0900, William Breathitt Gray wrote:
> Attempting to load the 104-idio-16 module fails during regmap
> initialization with a return error -EINVAL. This is a result of the
> regmap cache failing initialization. Set the idio_16_regmap_config
> max_register member to fix this failure.

> Fixes: 2c210c9a34a3 ("gpio: 104-idio-16: Migrate to the regmap API")
> Reported-by: Mark Cave-Ayland <mark.caveayland@...anix.com>
> Link: https://lore.kernel.org/r/9b0375fd-235f-4ee1-a7fa-daca296ef6bf@nutanix.com

Link --> Closes ?

-- 
With Best Regards,
Andy Shevchenko