linux-kernel - Re: [PATCH 04/20] regmap: Do not skip format initialization

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Message-ID: <20150812104355.GS10748@sirena.org.uk>
Date:	Wed, 12 Aug 2015 11:43:55 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Markus Pargmann <mpa@...gutronix.de>
Cc:	Jonathan Cameron <jic23@...nel.org>,
	Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
	linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org, kernel@...gutronix.de
Subject: Re: [PATCH 04/20] regmap: Do not skip format initialization

On Wed, Aug 12, 2015 at 12:12:29PM +0200, Markus Pargmann wrote:

> It is not obvious why format initialization is skipped here. format
> functions are used for example in regmap_bulk_read even if bus is not
> set. So they are used even if skipped here which leads to null pointer
> errors.

> This patch adds format initialization for !bus and !bus->read/write.

Format initialisation is skipped because it is not clear what the wire
format actually is if we're not using the regmap internal marshalling.
Someone needs to do a survey of what the existing users are trying to do
before changing anything here.

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