From: Nicolas Ferre <nicolas.ferre@atmel.com>
Date: Sat, 30 Apr 2011 14:57:45 +0000 (+0200)
Subject: dmaengine: at_hdmac: modify way to use interrupts
X-Git-Tag: v3.0-rc1~27^2~4^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9b3aa589eaa1366200062ce1f9cc7ddca8d1d578;p=pandora-kernel.git

dmaengine: at_hdmac: modify way to use interrupts

Now we use Buffer Transfer Completed interrupts. If we
want a chained buffer completed information, we setup the
ATC_IEN bit in CTRLB register in the lli.
This is done by set_desc_eol() function and used by
memcpy/slave_sg functions.

Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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