linux-kernel - Re: [PATCH 5.4 47/51] regmap: Add bulk read/write callbacks into regmap

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Date: Wed, 13 Mar 2024 17:09:10 +0000
From: Mark Brown <broonie@...nel.org>
To: Sasha Levin <sashal@...nel.org>
Cc: linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	Marek Vasut <marex@...x.de>,
	Jagan Teki <jagan@...rulasolutions.com>,
	Maxime Ripard <maxime@...no.tech>,
	Robert Foss <robert.foss@...aro.org>,
	Sam Ravnborg <sam@...nborg.org>,
	Thomas Zimmermann <tzimmermann@...e.de>
Subject: Re: [PATCH 5.4 47/51] regmap: Add bulk read/write callbacks into
 regmap_config

On Wed, Mar 13, 2024 at 01:02:08PM -0400, Sasha Levin wrote:
> From: Marek Vasut <marex@...x.de>
> 
> [ Upstream commit d77e745613680c54708470402e2b623dcd769681 ]
> 
> Currently the regmap_config structure only allows the user to implement
> single element register read/write using .reg_read/.reg_write callbacks.
> The regmap_bus already implements bulk counterparts of both, and is being
> misused as a workaround for the missing bulk read/write callbacks in
> regmap_config by a couple of drivers. To stop this misuse, add the bulk
> read/write callbacks to regmap_config and call them from the regmap core
> code.

New feature.

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