From aee4d1fac887252faf6f7caf7bf1616131d5dbcd Mon Sep 17 00:00:00 2001
From: Robert Baldyga <r.baldyga@samsung.com>
Date: Wed, 11 Feb 2015 13:23:17 +0100
Subject: [PATCH] dmaengine: pl330: improve pl330_tx_status() function

This patch adds possibility to read residue of DMA transfer. It's useful
when we want to know how many bytes have been transferred before we
terminate channel. It can take place, for example, on timeout interrupt.

Signed-off-by: Lukasz Czerwinski <l.czerwinski@samsung.com>
Signed-off-by: Robert Baldyga <r.baldyga@samsung.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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Reading git-format-patch failed