linux-kernel - Re: [RFC 02/23] watchdog: omap_wdt: raw read and write endian fix

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Message-ID: <20131117190905.GI10136@spo001.leaseweb.com>
Date:	Sun, 17 Nov 2013 20:09:05 +0100
From:	Wim Van Sebroeck <wim@...ana.be>
To:	Taras Kondratiuk <taras.kondratiuk@...aro.org>
Cc:	linux-omap@...r.kernel.org, linaro-networking@...aro.org,
	Victor Kamensky <victor.kamensky@...aro.org>,
	linux-watchdog@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RFC 02/23] watchdog: omap_wdt: raw read and write endian fix

Hi Victor, Taras,

> 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.
> 
> Changes are trivial sed like replacement of __raw_xxx functions
> with xxx_relaxed variant.
> 
> Signed-off-by: Victor Kamensky <victor.kamensky@...aro.org>
> Signed-off-by: Taras Kondratiuk <taras.kondratiuk@...aro.org>

This was added to linux-watchdog-next.

Kind regards,
Wim.

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