linux-kernel - Re: [RFC 16/23] ASoC: omap: mcbsp, mcpdm, dmic: raw read and write endian fix

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Message-ID: <20131118111522.GC10877@sirena.org.uk>
Date:	Mon, 18 Nov 2013 11:15:22 +0000
From:	Mark Brown <broonie@...nel.org>
To:	Taras Kondratiuk <taras.kondratiuk@...aro.org>
Cc:	linux-omap@...r.kernel.org, linaro-networking@...aro.org,
	Victor Kamensky <victor.kamensky@...aro.org>,
	Peter Ujfalusi <peter.ujfalusi@...com>,
	Jarkko Nikula <jarkko.nikula@...mer.com>,
	Liam Girdwood <lgirdwood@...il.com>,
	Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.de>,
	alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC 16/23] ASoC: omap: mcbsp, mcpdm, dmic: raw read and write
 endian fix

On Sat, Nov 16, 2013 at 02:01:19AM +0200, Taras Kondratiuk wrote:
> From: Victor Kamensky <victor.kamensky@...aro.org>
> 
> All OMAP IP blocks 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.

Applied, thanks.

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