From: Ilya Yanok <yanok@emcraft.com>
Date: Tue, 26 Oct 2010 23:52:56 +0000 (+0200)
Subject: powerpc/512x: fix the hanged dma transfer issue
X-Git-Tag: v2.6.38-rc1~405^2~2^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2862559e8a1e7c47bb3003f0edbc9db9009dc32b;p=pandora-kernel.git

powerpc/512x: fix the hanged dma transfer issue

Current code clears interrupt active status _after_ submitting new
transfers. This leaves a possibility of clearing the interrupt for this
new transfer (if it is triggered fast enough) and thus lose this
interrupt. We want to clear interrupt active status _before_ new
transfers is submitted and for current channel only.

Signed-off-by: Ilya Yanok <yanok@emcraft.com>
Acked-by: Wolfgang Denk <wd@denx.de>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---

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