ARM: at91/pm: flush data cache and clean, invalidate and disable the L2 cache
Flush data cache, and clean, invalidate and disable the L2 cache before going to suspend. Restore the L2 cache configuration and re-enable the L2 cache after waking up. Signed-off-by: NWenyou Yang <wenyou.yang@atmel.com> Acked-by: NAlexandre Belloni <alexandre.belloni@free-electrons.com> Tested-by: NSylvain Rochet <sylvain.rochet@finsecur.com> Signed-off-by: NNicolas Ferre <nicolas.ferre@atmel.com>
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