From: linux@arm.linux.org.uk (Russell King - ARM Linux)
To: linux-arm-kernel@lists.infradead.org
Subject: [dmaengine] [Q] jiffies value does not increase in dma_sync_wait()
Date: Fri, 3 Feb 2012 09:10:38 +0000 [thread overview]
Message-ID: <20120203091038.GI889@n2100.arm.linux.org.uk> (raw)
In-Reply-To: <CACKLOr26BuTh8Qr8pFHoTJoyCW9ty4-Kg-YRisXmN3=spzY6_Q@mail.gmail.com>
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?
next prev parent reply other threads:[~2012-02-03 9:10 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-03 8:37 [dmaengine] [Q] jiffies value does not increase in dma_sync_wait() javier Martin
2012-02-03 9:10 ` Russell King - ARM Linux [this message]
2012-02-03 9:22 ` javier Martin
2012-02-03 9:24 ` Russell King - ARM Linux
2012-02-03 9:43 ` javier Martin
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