From: Akinobu Mita <akinobu.mita@gmail.com>
Date: Fri, 27 Jan 2012 04:24:48 +0000 (+0000)
Subject: powerpc/pmac: Use string library in nvram code
X-Git-Tag: v3.4-rc1~159^2~38
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2d4b971287cbce16585acda4b76308faa8da0950;p=pandora-kernel.git

powerpc/pmac: Use string library in nvram code

- Use memchr_inv to check if the data contains all 0xFF bytes.
  It is faster than looping for each byte.

- Use memcmp to compare memory areas

Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: linuxppc-dev@lists.ozlabs.org
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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