From 2abd5f1b97fce6e197be01d67a9567c7793c80d3 Mon Sep 17 00:00:00 2001
From: Joel Fernandes <joelf@ti.com>
Date: Mon, 23 Sep 2013 18:05:15 -0500
Subject: [PATCH] dma: edma: Increase maximum SG limit to 20

davinci-pcm uses 16 as the no.of periods. With this, in EDMA we have to
allocate atleast 17 slots: 1 slot for channel, and 16 slots the periods.

Due to this, the MAX_NR_SG limitation causes problems, set it to 20 to make
cyclic DMA work when davinci-pcm is converted to use DMA Engine. Also add
a comment clarifying this.

Signed-off-by: Joel Fernandes <joelf@ti.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
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