diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/mach-highbank/hotplug.c')
-rw-r--r-- | ANDROID_3.4.5/arch/arm/mach-highbank/hotplug.c | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/ANDROID_3.4.5/arch/arm/mach-highbank/hotplug.c b/ANDROID_3.4.5/arch/arm/mach-highbank/hotplug.c deleted file mode 100644 index 977cebbe..00000000 --- a/ANDROID_3.4.5/arch/arm/mach-highbank/hotplug.c +++ /dev/null @@ -1,56 +0,0 @@ -/* - * Copyright 2011 Calxeda, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope it will be useful, but WITHOUT - * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or - * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for - * more details. - * - * You should have received a copy of the GNU General Public License along with - * this program. If not, see <http://www.gnu.org/licenses/>. - */ -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/smp.h> - -#include <asm/smp_scu.h> -#include <asm/cacheflush.h> - -#include "core.h" - -extern void secondary_startup(void); - -int platform_cpu_kill(unsigned int cpu) -{ - return 1; -} - -/* - * platform-specific code to shutdown a CPU - * - */ -void platform_cpu_die(unsigned int cpu) -{ - flush_cache_all(); - - highbank_set_cpu_jump(cpu, secondary_startup); - scu_power_mode(scu_base_addr, SCU_PM_POWEROFF); - - cpu_do_idle(); - - /* We should never return from idle */ - panic("highbank: cpu %d unexpectedly exit from shutdown\n", cpu); -} - -int platform_cpu_disable(unsigned int cpu) -{ - /* - * CPU0 should not be shut down via hotplug. cpu_idle can WFI - * or a proper shutdown or hibernate should be used. - */ - return cpu == 0 ? -EPERM : 0; -} |