linux-kernel - Re: [PATCH 1/4] Introduce regmap infrastructure over Maxim/Dalas OneWire (W1) bus

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Date:   Fri, 7 Jul 2017 18:11:20 +0100
From:   Mark Brown <broonie@...nel.org>
To:     Evgeniy Polyakov <zbr@...emap.net>
Cc:     "Alex A. Mihaylov" <minimumlaw@...bler.ru>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Sebastian Reichel <sre@...nel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>
Subject: Re: [PATCH 1/4] Introduce regmap infrastructure over Maxim/Dalas
 OneWire (W1) bus

On Fri, Jul 07, 2017 at 06:26:28PM +0300, Evgeniy Polyakov wrote:

> In fact, regmap-w1 brings virtually nothing to w1 from regmap point fo view -
> code is more complex and even a bit more error prone, but we found a nice feature,
> that we do not have to export IO functions anymore, they will be hidden behind
> regmap wrappers.

It's not for the benefit of the bus, it's for the benefit of the devices
on the bus and their subsystems.  From the point of view of the
subsystem it shouldn't have any impact at all, it's a helper library for
the layers above.

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