Re: [patch 2/2] sata_via: Delay on vt6420 when starting ATAPI DMA write
From: Bart Hartgers
Date: Wed Jan 20 2010 - 05:43:29 EST
2010/1/20 Tejun Heo <htejun@xxxxxxxxx>:
> On 01/20/2010 03:33 PM, Bart Hartgers wrote:
>> Well, the ata_sff_pause actually does a ndelay(400), and with today's
>> processors that would be a 'slow path', right?
> unlikely() is used to mark very unlikely paths not the slow ones and I
> don't really think DMA_TO_DEVICE would qualify as an unlikely path.
Ok, I am convinced; I'll drop the unlikely.
Bart Hartgers - New e-mail: bart.hartgers@xxxxxxxxx
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