linux-kernel - Re: [PATCH V2 05/19] bus: omap_l3_noc: switch over to relaxed variants of readl/writel

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Date:	Thu, 17 Apr 2014 17:03:29 -0500
From:	Felipe Balbi <balbi@...com>
To:	Santosh Shilimkar <santosh.shilimkar@...com>
CC:	<balbi@...com>, Nishanth Menon <nm@...com>,
	Tony Lindgren <tony@...mide.com>,
	Sricharan R <r.sricharan@...com>, Sekhar Nori <nsekhar@...com>,
	Rajendra Nayak <rnayak@...com>,
	Peter Ujfalusi <peter.ujfalusi@...com>,
	<devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-omap@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH V2 05/19] bus: omap_l3_noc: switch over to relaxed
 variants of readl/writel

On Thu, Apr 17, 2014 at 05:56:15PM -0400, Santosh Shilimkar wrote:
> On Thursday 17 April 2014 05:52 PM, Felipe Balbi wrote:
> > Hi,
> > 
> > On Thu, Apr 17, 2014 at 03:49:21PM -0500, Nishanth Menon wrote:
> >> Currently we use __raw_readl and writel in this driver, however, there
> > 
> > __raw_* and *_relaxed variants are the same, just have a look <asm/io.h>
> > 
> Except the relaxed version can take care of endian conversion if
> needed. :-)

right, but according to commit log, this commit is more concerned about
the memory barriers which writel()/readl() add, not endianness. Just a
matter of fixing up commit log.

-- 
balbi

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