ARM: cache-armv7: Use designated instructions for isb/dsb/dmb
armv7 has designated instructions for the barrier operations,
so use these rather than cp15 operations.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
1 parent 9b9379e commit d9d88763f53e741a089241beff46b502d28c7765
@Sascha Hauer Sascha Hauer authored on 26 Sep 2017
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arch/arm/cpu/cache-armv7.S