linux-kernel - Re: [PATCH 1/4] ARM: ep93xx: add regmap aux

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Date: Thu, 11 Apr 2024 02:32:36 -0700
From: Stephen Boyd <sboyd@...nel.org>
To: Alexander Sverdlin <alexander.sverdlin@...il.com>, Conor Dooley <conor+dt@...nel.org>, Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>, Michael Turquette <mturquette@...libre.com>, Nikita Shubin via B4 Relay <devnull+nikita.shubin.maquefel.me@...nel.org>, Rob Herring <robh@...nel.org>, nikita.shubin@...uefel.me
Cc: linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org, devicetree@...r.kernel.org, Nikita Shubin <nikita.shubin@...uefel.me>, Arnd Bergmann <arnd@...db.de>, Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH 1/4] ARM: ep93xx: add regmap aux_dev

Quoting Nikita Shubin via B4 Relay (2024-04-08 01:09:53)
> From: Nikita Shubin <nikita.shubin@...uefel.me>
> 
> The following driver's should be instantiated by ep93xx syscon driver:
> 
> - reboot
> - pinctrl
> - clock
> 
> They all require access to DEVCFG register with a shared lock held, to
> avoid conflict writing to swlocked parts of DEVCFG.
> 
> Provide common resources such as base, regmap and spinlock via auxiliary
> bus framework.
> 
> Signed-off-by: Nikita Shubin <nikita.shubin@...uefel.me>
> Tested-by: Alexander Sverdlin <alexander.sverdlin@...il.com>
> Reviewed-by: Linus Walleij <linus.walleij@...aro.org>
> ---

Reviewed-by: Stephen Boyd <sboyd@...nel.org>