From: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Date: Wed, 16 Jul 2014 21:15:48 +0000 (+0200)
Subject: dmaengine: rcar-dmac: Implement support for hardware descriptor lists
X-Git-Tag: omap-for-v4.1/prcm-dts-mfd-syscon-fix~48^2~27^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ccadee9b1e90dc6d3d97a20ac96cb1a82e0d5a1d;p=pandora-kernel.git

dmaengine: rcar-dmac: Implement support for hardware descriptor lists

The DMAC supports hardware-based auto-configuration from descriptor
lists. This reduces the number of interrupts required for processing a
DMA transfer. Support that mode in the driver.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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