diff options
Diffstat (limited to 'arch/blackfin/kernel/nmi.c')
-rw-r--r-- | arch/blackfin/kernel/nmi.c | 38 |
1 files changed, 13 insertions, 25 deletions
diff --git a/arch/blackfin/kernel/nmi.c b/arch/blackfin/kernel/nmi.c index 0b5f72f17fd..679d0db3525 100644 --- a/arch/blackfin/kernel/nmi.c +++ b/arch/blackfin/kernel/nmi.c @@ -12,7 +12,7 @@ #include <linux/bitops.h> #include <linux/hardirq.h> -#include <linux/sysdev.h> +#include <linux/syscore_ops.h> #include <linux/pm.h> #include <linux/nmi.h> #include <linux/smp.h> @@ -145,16 +145,16 @@ int check_nmi_wdt_touched(void) { unsigned int this_cpu = smp_processor_id(); unsigned int cpu; + cpumask_t mask; - cpumask_t mask = cpu_online_map; - + cpumask_copy(&mask, cpu_online_mask); if (!atomic_read(&nmi_touched[this_cpu])) return 0; atomic_set(&nmi_touched[this_cpu], 0); - cpu_clear(this_cpu, mask); - for_each_cpu_mask(cpu, mask) { + cpumask_clear_cpu(this_cpu, &mask); + for_each_cpu(cpu, &mask) { invalidate_dcache_range((unsigned long)(&nmi_touched[cpu]), (unsigned long)(&nmi_touched[cpu])); if (!atomic_read(&nmi_touched[cpu])) @@ -196,43 +196,31 @@ void touch_nmi_watchdog(void) /* Suspend/resume support */ #ifdef CONFIG_PM -static int nmi_wdt_suspend(struct sys_device *dev, pm_message_t state) +static int nmi_wdt_suspend(void) { nmi_wdt_stop(); return 0; } -static int nmi_wdt_resume(struct sys_device *dev) +static void nmi_wdt_resume(void) { if (nmi_active) nmi_wdt_start(); - return 0; } -static struct sysdev_class nmi_sysclass = { - .name = DRV_NAME, +static struct syscore_ops nmi_syscore_ops = { .resume = nmi_wdt_resume, .suspend = nmi_wdt_suspend, }; -static struct sys_device device_nmi_wdt = { - .id = 0, - .cls = &nmi_sysclass, -}; - -static int __init init_nmi_wdt_sysfs(void) +static int __init init_nmi_wdt_syscore(void) { - int error; - - if (!nmi_active) - return 0; + if (nmi_active) + register_syscore_ops(&nmi_syscore_ops); - error = sysdev_class_register(&nmi_sysclass); - if (!error) - error = sysdev_register(&device_nmi_wdt); - return error; + return 0; } -late_initcall(init_nmi_wdt_sysfs); +late_initcall(init_nmi_wdt_syscore); #endif /* CONFIG_PM */ |