[PATCH 3/8 resend] dw_dmac: call dwc_scan_descriptor from dwc_issue_pending only if active list is empty
From: Jamie Iles <hidden>
Date: 2011-02-28 10:46:40
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From: Jamie Iles <hidden>
Date: 2011-02-28 10:46:40
Also in:
lkml
On Mon, Feb 28, 2011 at 04:11:18PM +0530, Viresh Kumar wrote:
dwc_scan_descriptor was called even when there were descriptors in active list. Checking if active list is empty or not. Signed-off-by: Viresh Kumar <redacted>
Hi Viresh, I have a similar patch to this that is already in next that should achieve the same thing (dmaengine/dw_dmac: don't scan descriptors if no xfers in progress). Jamie