linux-kernel - Re: [PATCH] i2c: davinci: raw read and write endian fix

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Date:	Tue, 26 Nov 2013 13:39:34 +0100
From:	Wolfram Sang <wsa@...-dreams.de>
To:	Taras Kondratiuk <taras.kondratiuk@...aro.org>
Cc:	Santosh Shilimkar <santosh.shilimkar@...com>, patches@...aro.org,
	linaro-networking@...aro.org, linaro-kernel@...ts.linaro.org,
	Sekhar Nori <nsekhar@...com>,
	Kevin Hilman <khilman@...prootsystems.com>,
	davinci-linux-open-source@...ux.davincidsp.com,
	linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] i2c: davinci: raw read and write endian fix

On Wed, Nov 20, 2013 at 08:23:44PM +0200, Taras Kondratiuk wrote:
> I2C IP block expect LE data, but CPU may operate in BE mode.
> Need to use endian neutral functions to read/write h/w registers.
> I.e instead of __raw_read[lw] and __raw_write[lw] functions code
> need to use read[lw]_relaxed and write[lw]_relaxed functions.
> If the first simply reads/writes register, the second will byteswap
> it if host operates in BE mode.
> 
> Changes are trivial sed like replacement of __raw_xxx functions
> with xxx_relaxed variant.
> 
> Signed-off-by: Taras Kondratiuk <taras.kondratiuk@...aro.org>

Applied to for-current, thanks!


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