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Date: Sat, 28 Aug 2010 17:18:17 +0200
Message-ID: <AANLkTimmEKfErV17RWNBO-pVCfFtFw=yJL2v92UBN0=2@mail.gmail.com>
Subject: Re: [PATCH 3/3 v2] dmaengine: Add Freescale i.MX SDMA support
From: Linus Walleij <linus.ml.walleij@gmail.com>
To: =?ISO-8859-1?Q?Uwe_Kleine=2DK=F6nig?= 
	<u.kleine-koenig@pengutronix.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>, linux-kernel@vger.kernel.org,
        Dan Williams <dan.j.williams@intel.com>,
        linux-arm-kernel@lists.infradead.org
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2010/8/23 Uwe Kleine-K?nig <u.kleine-koenig@pengutronix.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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