linux-kernel - Re: [PATCH 2/3] mfd: mc13xxx: Move SPI erratum workaround into SPI I/O function

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Message-ID: <20130919095628.GH21013@sirena.org.uk>
Date:	Thu, 19 Sep 2013 10:56:28 +0100
From:	Mark Brown <broonie@...nel.org>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	Samuel Ortiz <sameo@...ux.intel.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Marc Reilly <marc@...esign.com.au>,
	u.kleine-koenig@...gutronix.de, linux-kernel@...r.kernel.org,
	alsa-devel@...a-project.org, linaro-kernel@...ts.linaro.org
Subject: Re: [PATCH 2/3] mfd: mc13xxx: Move SPI erratum workaround into SPI
 I/O function

On Thu, Sep 19, 2013 at 10:13:18AM +0100, Lee Jones wrote:

Please delete irrelevant context from mails, it makes it easier to find
the new content that's beenn added.

> On Wed, 18 Sep 2013, Mark Brown wrote:

> > @@ -94,10 +94,15 @@ static int mc13xxx_spi_write(void *context, const void *data, size_t count)
> >  {
> >  	struct device *dev = context;
> >  	struct spi_device *spi = to_spi_device(dev);
> > +	char *reg = data;

> I think this requires a cast.

No, you should never need a cast to or from void in C - it probably does
want to be a const char though.

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