linux-kernel - Re: [RFC 01/23] gpio/omap: raw read and write endian fix

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Message-ID: <528BAC2E.4020601@ti.com>
Date:	Tue, 19 Nov 2013 13:21:34 -0500
From:	Santosh Shilimkar <santosh.shilimkar@...com>
To:	Taras Kondratiuk <taras.kondratiuk@...aro.org>
CC:	<linux-omap@...r.kernel.org>, <linaro-networking@...aro.org>,
	Victor Kamensky <victor.kamensky@...aro.org>,
	Kevin Hilman <khilman@...prootsystems.com>,
	Linus Walleij <linus.walleij@...aro.org>,
	<linux-gpio@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [RFC 01/23] gpio/omap: raw read and write endian fix

On Friday 15 November 2013 07:01 PM, 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.
> 
> 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>
> ---
Acked-by: Santosh Shilimkar <santosh.shilimkar@...com>

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