linux-kernel - Re: [PATCH 5.4 46/51] regmap: allow to define reg_update

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Message-ID: <a8a62275-bcd7-4652-8a21-758f8e5f4911@sirena.org.uk>
Date: Wed, 13 Mar 2024 17:08:48 +0000
From: Mark Brown <broonie@...nel.org>
To: Sasha Levin <sashal@...nel.org>
Cc: linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	Ansuel Smith <ansuelsmth@...il.com>
Subject: Re: [PATCH 5.4 46/51] regmap: allow to define reg_update_bits for no
 bus configuration

On Wed, Mar 13, 2024 at 01:02:07PM -0400, Sasha Levin wrote:
> From: Ansuel Smith <ansuelsmth@...il.com>
> 
> [ Upstream commit 02d6fdecb9c38de19065f6bed8d5214556fd061d ]
> 
> Some device requires a special handling for reg_update_bits and can't use
> the normal regmap read write logic. An example is when locking is
> handled by the device and rmw operations requires to do atomic operations.
> Allow to declare a dedicated function in regmap_config for
> reg_update_bits in no bus configuration.

New feature.

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