From: Lior Amsalem <alior@marvell.com>
Date: Wed, 27 Aug 2014 13:52:53 +0000 (-0300)
Subject: dma: mv_xor: Reduce interrupts by enabling EOD only when needed
X-Git-Tag: fixes-against-v3.18-rc2~40^2~22
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ba87d13721b6fe4a2479871dc4f77c5bd8db3c32;p=pandora-kernel.git

dma: mv_xor: Reduce interrupts by enabling EOD only when needed

This commit unmasks the end-of-chain interrupt and removes the
end-of-descriptor command setting on all transactions, except those
explicitly flagged with DMA_PREP_INTERRUPT.

This allows to raise an interrupt only on chain completion, instead of
on each descriptor completion, which reduces interrupt count.

Signed-off-by: Lior Amsalem <alior@marvell.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
---

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