linux-kernel - Re: [PATCH v3] pinctrl: mcp23s08: init reg_defaults from HW at probe and switch cache type

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Message-ID: <CACRpkdZ8hoqk2UT4=ZWLn01Zw03nbz57vKMwRKU9quNEPzejbw@mail.gmail.com>
Date: Wed, 29 Oct 2025 15:13:08 +0100
From: Linus Walleij <linus.walleij@...aro.org>
To: Maxim Kiselev <bigunclemax@...il.com>
Cc: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>, linux-gpio@...r.kernel.org, 
	akaessens@...il.com, arturas.moskvinas@...il.com, e.shatokhin@...ro.com, 
	linux-kernel@...r.kernel.org, mastichi@...il.com, mike.looijmans@...ic.nl, 
	radim.pavlik@...-biometrics.com, u.kleine-koenig@...gutronix.de, 
	zou_wei@...wei.com, Sander Vanheule <sander@...nheule.net>
Subject: Re: [PATCH v3] pinctrl: mcp23s08: init reg_defaults from HW at probe
 and switch cache type

On Mon, Oct 27, 2025 at 1:04 PM Maxim Kiselev <bigunclemax@...il.com> wrote:

> Changelog:
> v3:
>  - changed cache type from REGCACHE_FLAT to REGCACHE_MAPLE
>  - added .num_reg_defaults_raw to init regs cache from HW at probe
>
> v2:
>  - rollback v1 changes
>  - dropped .reg_defaults of mcp23x regmaps
>  - dropped reset all pins to input at probe (commit 3ede3f8b4b4b)

It'd be great if I could get some ACKs/R-Bs and/or Tested-by:s on
this patch.

Is this fixes (for-v6.18) material or is v6.19 fine?

I'm good with putting it in queue for v6.19 but for fixes I would
really like a few tested-by:s given how widely this driver is used.

Yours,
Linus Walleij