Commit fcd75f92 authored Oct 09, 2013 by Shawn Guo

ARM: imx: do not return from imx_cpu_die() call



When imx_cpu_die() is being called, the cpu should never return from the
call but just in WFI and wait for hardware to take it down.  So let's
do cpu_do_idle() repeatly in the call.  Doing this help improve the
relibility of hotplug operation.

Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

parent 85920f39

arch/arm/mach-imx/hotplug.c

+3 −1

Original line number	Diff line number	Diff line
		@@ -52,6 +52,8 @@ void imx_cpu_die(unsigned int cpu)
		* the register being cleared to kill the cpu.
		*/
		imx_set_cpu_arg(cpu, ~0);

		while (1)
		cpu_do_idle();
		}

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