linux-kernel - Re: [PATCH 1/3] regmap: Properly round reg_bytes and val

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Message-ID: <20120130133529.GF15596@pengutronix.de>
Date:	Mon, 30 Jan 2012 14:35:29 +0100
From:	Wolfram Sang <w.sang@...gutronix.de>
To:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc:	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
	Liam Girdwood <lrg@...com>,
	Lars-Peter Clausen <lars@...afoo.de>
Subject: Re: [PATCH 1/3] regmap: Properly round reg_bytes and val_bytes


> Clearly we *can* but there's other bits (chiefly the cache code once we
> acquire the ability to do block operations from cache) which really want
> stuff to be 8 bit aligned.  I deliberately chose to make things byte
> aligned so we have to think about this stuff before we do things that
> make byte aligned stuff hard, it felt like if we were going to take a
> complexity hit we probably want it to be on the odd register formats as
> pretty much all of the more demanding modern devices seem to be going
> for multiples of 8 bits.

Understood. I'd think we will find a non-intrusive way when a more generic
format_x_y-function seems worthwhile.

-- 
Pengutronix e.K.                           | Wolfram Sang                |
Industrial Linux Solutions                 | http://www.pengutronix.de/  |

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