From: Feng Tang <feng.tang@intel.com>
Date: Fri, 24 Dec 2010 05:59:09 +0000 (+0800)
Subject: spi/dw_spi: Fix too short timeout in spi polling loop
X-Git-Tag: v2.6.38-rc1~454^2~10
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ebf45b7d029eb065819bfede8b30455630d76c68;p=pandora-kernel.git

spi/dw_spi: Fix too short timeout in spi polling loop

The SPI polling loop timeout only works with HZ=100 as the loop was
actually too short.

Also add appropriate cpu_relax() in the busy wait loops...

Signed-off-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Feng Tang <feng.tang@intel.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
---

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