tree 2af438f144c7a075ff9a1e024cacf18018af5b91
parent f7e9ec432eb274389c1f8825d1b155a5fd27a90c
author Channagoud Kadabi <ckadabi@codeaurora.org> 1419024945 -0800
committer Channagoud Kadabi <ckadabi@codeaurora.org> 1419025252 -0800

arch: arm: Use ldrex & strex to perform swap

For ARMv7 & above the swp instructions are deprecated. Instead use
ldrex and strex to perform swap operations.
http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.dai0425/BABCAIHG.html

Change-Id: Ibd1135d76b1920f48c884f16eaabb0d69a750f78