linux-kernel - Re: [PATCH 2/2] regmap: cache: Fall back to register by register read for cache defaults

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Message-ID: <20160201221346.GJ4455@sirena.org.uk>
Date:	Mon, 1 Feb 2016 22:13:46 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Fabio Estevam <festevam@...il.com>
Cc:	"Maciej S. Szmigiero" <mail@...iej.szmigiero.name>,
	"alsa-devel@...a-project.org" <alsa-devel@...a-project.org>,
	Nicolin Chen <nicoleotsuka@...il.com>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 2/2] regmap: cache: Fall back to register by register
 read for cache defaults

On Mon, Feb 01, 2016 at 07:58:54PM -0200, Fabio Estevam wrote:
> On Mon, Feb 1, 2016 at 7:41 PM, Mark Brown <broonie@...nel.org> wrote:
> > On Mon, Feb 01, 2016 at 09:38:15PM +0000, Mark Brown wrote:
> >> If we are unable to read the cache defaults for a regmap then fall back
> >> on attempting to read them word by word. This is going to be painfully
> >> slow for large regmaps but might be adequate for smaller ones.

> > Competely untested, hopefully it helps fix the issues with the SSI.

> After applying this series I get:

Please try to fix it yourself, probably needs setting cache_bypass
around the manual fill.

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