From f1fd2fa62da103ccac5a076457d8dca1b940ba43 Mon Sep 17 00:00:00 2001 From: Michal Simek Date: Thu, 31 Oct 2013 09:10:16 -0700 Subject: [PATCH] arm: zynq: Add support for zynq_cpu_kill function Use simple hook to slcr to stop cpu. Signed-off-by: Michal Simek --- arch/arm/mach-zynq/platsmp.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/arch/arm/mach-zynq/platsmp.c b/arch/arm/mach-zynq/platsmp.c index f6e62c4a0afc..8021499e7b70 100644 --- a/arch/arm/mach-zynq/platsmp.c +++ b/arch/arm/mach-zynq/platsmp.c @@ -121,11 +121,20 @@ static void __init zynq_smp_prepare_cpus(unsigned int max_cpus) scu_enable(zynq_scu_base); } +#ifdef CONFIG_HOTPLUG_CPU +static int zynq_cpu_kill(unsigned cpu) +{ + zynq_slcr_cpu_stop(cpu); + return 1; +} +#endif + struct smp_operations zynq_smp_ops __initdata = { .smp_init_cpus = zynq_smp_init_cpus, .smp_prepare_cpus = zynq_smp_prepare_cpus, .smp_boot_secondary = zynq_boot_secondary, #ifdef CONFIG_HOTPLUG_CPU .cpu_die = zynq_platform_cpu_die, + .cpu_kill = zynq_cpu_kill, #endif };