ARM: at91/pm_suspend: add the WFI instruction support for ARMv7

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Add the WFI instruction to make the cpu to the idle state.
In the meanwhile, disable the processor's clock.

Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com>
Acked-by: Alexandre Belloni <alexandre.belloni@free-electrons.com>
Tested-by: Sylvain Rochet <sylvain.rochet@finsecur.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>

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Wenyou Yang 2015-03-09 11:53:46 +08:00 • committed by Nicolas Ferre

parent e32d995cf9

commit 20567658b8

1 changed files with 19 additions and 1 deletions

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arch/arm/mach-at91/pm_suspend.S

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