From: Brian Niebuhr <bniebuhr@efjohnson.com>
Date: Tue, 5 Oct 2010 06:08:41 +0000 (+0530)
Subject: spi: davinci: handle DMA completion errors correctly
X-Git-Tag: v2.6.38-rc1~454^2~6^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9b189fd7584a1d8c68334dd1bc47b363877b314e;p=pandora-kernel.git

spi: davinci: handle DMA completion errors correctly

Do not simply clean the DMA channel on a DMA completion
error. Instead, use wcount and rcount members of davinci_spi
to detecion non-completion of DMA and signal EIO to the
application.

Signed-off-by: Brian Niebuhr <bniebuhr@efjohnson.com>
Tested-By: Michael Williamson <michael.williamson@criticallink.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
---

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