diff options
Diffstat (limited to 'arch/arm/mach-zynq/platsmp.c')
| -rw-r--r-- | arch/arm/mach-zynq/platsmp.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/arch/arm/mach-zynq/platsmp.c b/arch/arm/mach-zynq/platsmp.c index 6c7843108c7f..06415eeba7e6 100644 --- a/arch/arm/mach-zynq/platsmp.c +++ b/arch/arm/mach-zynq/platsmp.c @@ -127,6 +127,12 @@ static void zynq_secondary_init(unsigned int cpu) #ifdef CONFIG_HOTPLUG_CPU static int zynq_cpu_kill(unsigned cpu) { + unsigned long timeout = jiffies + msecs_to_jiffies(50); + + while (zynq_slcr_cpu_state_read(cpu)) + if (time_after(jiffies, timeout)) + return 0; + zynq_slcr_cpu_stop(cpu); return 1; } |