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Message-ID: <AANLkTimmEKfErV17RWNBO-pVCfFtFw=yJL2v92UBN0=2@mail.gmail.com>
Date:	Sat, 28 Aug 2010 17:18:17 +0200
From:	Linus Walleij <linus.ml.walleij@...il.com>
To:	Uwe Kleine-König 
	<u.kleine-koenig@...gutronix.de>
Cc:	Sascha Hauer <s.hauer@...gutronix.de>,
	linux-kernel@...r.kernel.org,
	Dan Williams <dan.j.williams@...el.com>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 3/3 v2] dmaengine: Add Freescale i.MX SDMA support

2010/8/23 Uwe Kleine-König <u.kleine-koenig@...gutronix.de>:

>> +     evt = readl(SDMA_H_EVTOVR);
>> +     mcu = readl(SDMA_H_HOSTOVR);
>> +     dsp = readl(SDMA_H_DSPOVR);
> __raw_readl?

Sorry I never understood this __raw_[read|write][b|w|l] vs.
plain read[b|w|l] proliferation in some drivers and code.

What's the reason for?

Yours,
Linus Walleij
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