[PATCH 3/3 v2] dmaengine: Add Freescale i.MX SDMA support

[Linus Walleij]

2010/8/23 Uwe Kleine-König <u.kleine-koenig at 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