linux-kernel - Re: mc13xxx-core: kernel hangs after 'regmap

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Message-ID: <20120523084945.GA4085@opensource.wolfsonmicro.com>
Date:	Wed, 23 May 2012 09:49:46 +0100
From:	Mark Brown <broonie@...nsource.wolfsonmicro.com>
To:	Fabio Estevam <festevam@...il.com>
Cc:	marc@...esign.com.au, Samuel Ortiz <sameo@...ux.intel.com>,
	Sascha Hauer <kernel@...gutronix.de>,
	Philippe Rétornaz <philippe.retornaz@...l.ch>,
	linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: mc13xxx-core: kernel hangs after 'regmap_read'

On Tue, May 22, 2012 at 11:05:35PM -0300, Fabio Estevam wrote:

> Should the spi->mode and spi->bits_per_word be passed differently?

> Maybe via "struct regmap_config" ?

You shouldn't be setting bits_per_word at all, that'll corrupt the data
that regmap has formatted.  Does removing that alone resolve the issue?

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