Re: [dmaengine] [Q] jiffies value does not increase indma_sync_wait()

From: Russell King - ARM Linux
Date: Fri Feb 03 2012 - 04:10:56 EST


On Fri, Feb 03, 2012 at 09:37:48AM +0100, javier Martin wrote:
> I've introduced a couple of printk() to check why this timeout is not
> triggered and I've found that the value of jiffies does not increase
> between loop iterations (i. e. it's like time didn't advance).
>
> Does anyobody know what reasons could make jiffies not being updated?

Are interrupts disabled?
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