From: Michael Neuling <mikey@neuling.org>
Date: Tue, 19 Aug 2014 04:48:00 +0000 (+1000)
Subject: powerpc/powernv: Check OPAL RTC calls exists before using
X-Git-Tag: fixes-against-v3.18-rc2~117^2~98
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=035ed26fb090ff3277900259f19d57e54da2e116;p=pandora-kernel.git

powerpc/powernv: Check OPAL RTC calls exists before using

Check that the OPAL_RTC_READ token exists before we use the OPAL RTC.

Refactors the code a little to merge error paths.

This avoids littering the OPAL console with:
  "OPAL: Called with bad token 3".

Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---

Reading git-diff-tree failed