linux-kernel - Re: [PATCH 4/7] regmap: Try cached read before checking if a hardware read is possible

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Message-ID: <20111116173529.GC31558@opensource.wolfsonmicro.com>
Date:	Wed, 16 Nov 2011 17:35:29 +0000
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Lars-Peter Clausen <lars@...afoo.de>
Cc:	Dimitris Papastamos <dp@...nsource.wolfsonmicro.com>,
	Jonathan Cameron <jic23@...nel.org>,
	Michael Hennerich <michael.hennerich@...log.com>,
	linux-kernel@...r.kernel.org, linux-iio@...r.kernel.org,
	device-drivers-devel@...ckfin.uclinux.org, drivers@...log.com
Subject: Re: [PATCH 4/7] regmap: Try cached read before checking if a
 hardware read is possible

On Wed, Nov 16, 2011 at 04:28:19PM +0100, Lars-Peter Clausen wrote:
> For some register format types we do not provide a parse_val so we can not do a
> hardware read. But a cached read is still possible, so try to read from the
> cache first, before checking whether a hardware read is possible. Otherwise the
> cache becomes pretty useless for these register types.

Applied, thanks.
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