linux-kernel - Re: [PATCH 3/7] regmap: Properly round cache_word

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Message-ID: <20111116161420.GJ29986@opensource.wolfsonmicro.com>
Date:	Wed, 16 Nov 2011 16:14:21 +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 3/7] regmap: Properly round cache_word_size

On Wed, Nov 16, 2011 at 04:28:18PM +0100, Lars-Peter Clausen wrote:

> +	if (config->val_bits <= 8)
> +		map->cache_word_size = 1;
> +	else if (config->val_bits <= 16)
> +		map->cache_word_size = 2;
> +	else
> +		return -EINVAL;

Just do val_bits + 7 if you're going to do this.
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