linux-kernel - Re: [PATCH v2] mod_devicetable: Bump auxiliary_device

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Message-ID: <aQxQ_orRY1ceokdU@smile.fi.intel.com>
Date: Thu, 6 Nov 2025 09:40:46 +0200
From: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To: Raag Jadav <raag.jadav@...el.com>
Cc: kees@...nel.org, broonie@...nel.org, gregkh@...uxfoundation.org,
	arnd@...db.de, hansg@...nel.org, ilpo.jarvinen@...ux.intel.com,
	linus.walleij@...aro.org, brgl@...ev.pl,
	platform-driver-x86@...r.kernel.org, linux-gpio@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2] mod_devicetable: Bump auxiliary_device_id name size

On Thu, Nov 06, 2025 at 10:58:38AM +0530, Raag Jadav wrote:
> We have an upcoming driver named "intel_ehl_pse_io". This creates an
> auxiliary child device for it's GPIO sub-functionality, which matches
> against "intel_ehl_pse_io.gpio-elkhartlake" and overshoots the current

Looking at the name there is another question: Why do we need 'elkhartlake in
the GPIO driver's name now? It's a dup to 'ehl' in the first part.

> maximum limit of 32 bytes for auxiliary device id string. Bump the size
> to 40 bytes to satisfy such cases.

> ---
> v2: Describe the use case (Greg, Andy)

Thanks for the update!


-- 
With Best Regards,
Andy Shevchenko