[PATCH] clockevents: remove bad designed sysfs support for now (291bc047) · Commits · 戴 / test

kernel/time/clockevents.c

+0 −69

Original line number	Diff line number	Diff line
		@@ -274,72 +274,3 @@ void clockevents_notify(unsigned long reason, void *arg)
		}
		EXPORT_SYMBOL_GPL(clockevents_notify);

		#ifdef CONFIG_SYSFS

		/**
		* clockevents_show_registered - sysfs interface for listing clockevents
		* @dev: unused
		* @buf: char buffer to be filled with clock events list
		*
		* Provides sysfs interface for listing registered clock event devices
		*/
		static ssize_t clockevents_show_registered(struct sys_device dev, char buf)
		{
		struct list_head *tmp;
		char *p = buf;
		int cpu;

		spin_lock(&clockevents_lock);

		list_for_each(tmp, &clockevent_devices) {
		struct clock_event_device *ce;

		ce = list_entry(tmp, struct clock_event_device, list);
		p += sprintf(p, "%-20s F:%04x M:%d", ce->name,
		ce->features, ce->mode);
		p += sprintf(p, " C:");
		if (!cpus_equal(ce->cpumask, cpu_possible_map)) {
		for_each_cpu_mask(cpu, ce->cpumask)
		p += sprintf(p, " %d", cpu);
		} else {
		/*
		* FIXME: Add the cpu which is handling this sucker
		*/
		}
		p += sprintf(p, "\n");
		}

		spin_unlock(&clockevents_lock);

		return p - buf;
		}

		/*
		* Sysfs setup bits:
		*/
		static SYSDEV_ATTR(registered, 0600,
		clockevents_show_registered, NULL);

		static struct sysdev_class clockevents_sysclass = {
		set_kset_name("clockevents"),
		};

		static struct sys_device clockevents_sys_device = {
		.id = 0,
		.cls = &clockevents_sysclass,
		};

		static int __init clockevents_sysfs_init(void)
		{
		int error = sysdev_class_register(&clockevents_sysclass);

		if (!error)
		error = sysdev_register(&clockevents_sys_device);
		if (!error)
		error = sysdev_create_file(
		&clockevents_sys_device,
		&attr_registered);
		return error;
		}
		device_initcall(clockevents_sysfs_init);
		#endif

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