diff options
Diffstat (limited to 'arch/arm/mach-prima2/hotplug.c')
-rw-r--r-- | arch/arm/mach-prima2/hotplug.c | 38 |
1 files changed, 0 insertions, 38 deletions
diff --git a/arch/arm/mach-prima2/hotplug.c b/arch/arm/mach-prima2/hotplug.c deleted file mode 100644 index bc0d957e89ac..000000000000 --- a/arch/arm/mach-prima2/hotplug.c +++ /dev/null @@ -1,38 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * CPU hotplug support for CSR Marco dual-core SMP SoCs - * - * Copyright (c) 2012 Cambridge Silicon Radio Limited, a CSR plc group company. - */ - -#include <linux/kernel.h> -#include <linux/errno.h> -#include <linux/smp.h> - -#include <asm/smp_plat.h> -#include "common.h" - -static inline void platform_do_lowpower(unsigned int cpu) -{ - /* we put the platform to just WFI */ - for (;;) { - __asm__ __volatile__("dsb\n\t" "wfi\n\t" - : : : "memory"); - if (prima2_pen_release == cpu_logical_map(cpu)) { - /* - * OK, proper wakeup, we're done - */ - break; - } - } -} - -/* - * platform-specific code to shutdown a CPU - * - * Called with IRQs disabled - */ -void sirfsoc_cpu_die(unsigned int cpu) -{ - platform_do_lowpower(cpu); -} |