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[POWERPC] sysfs: add support for adding/removing spu sysfs attributes

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This patch adds two functions to create and remove sysfs attributes and
attribute_group to all cpus.  That allows to register sysfs attributes in
a subdirectory like: /sys/devices/system/cpu/cpuX/group_name/what_ever
This will be used by cbe_thermal to group all attributes dealing with
thermal support in one directory.

Signed-of-by: Christian Krafft <krafft@de.ibm.com>

Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Christian Krafft
2006-10-24 18:31:24 +02:00
committed by Paul Mackerras
parent e570beb6bb
commit 0344c6c538
2 changed files with 74 additions and 0 deletions
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8
include/linux/cpu.h
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@ -33,6 +33,14 @@ struct cpu {
extern int register_cpu(struct cpu *cpu, int num);
extern struct sys_device *get_cpu_sysdev(unsigned cpu);
extern int cpu_add_sysdev_attr(struct sysdev_attribute *attr);
extern void cpu_remove_sysdev_attr(struct sysdev_attribute *attr);
extern int cpu_add_sysdev_attr_group(struct attribute_group *attrs);
extern void cpu_remove_sysdev_attr_group(struct attribute_group *attrs);
#ifdef CONFIG_HOTPLUG_CPU
extern void unregister_cpu(struct cpu *cpu);
#endif