From: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Date: Wed, 5 Aug 2015 07:08:31 +0000 (+0530)
Subject: powerpc: Add an inline function to update POWER8 HID0
X-Git-Tag: omap-for-v4.3/fixes-rc1~100^2~52
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e63dbd16ab7be41f5b66a70f1082242d76dd21d7;p=pandora-kernel.git

powerpc: Add an inline function to update POWER8 HID0

Section 3.7 of Version 1.2 of the Power8 Processor User's Manual
prescribes that updates to HID0 be preceded by a SYNC instruction and
followed by an ISYNC instruction (Page 91).

Create an inline function name update_power8_hid0() which follows this
recipe and invoke it from the static split core path.

Signed-off-by: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Reviewed-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
Tested-by: Sam Bobroff <sam.bobroff@au1.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
---

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