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sysfs: Add attribute array to sysdev classes

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Add a attribute array that is automatically registered and unregistered
to struct sysdev_class. This is similar to what struct class has.

A lot of drivers add list of attributes, so it's better to do 
this easily in the common sysdev layer.

This adds a new field to struct sysdev_class. I audited the 
whole tree and there are no dynamically allocated sysdev classes,
so this is fully compatible. 

Signed-off-by: Andi Kleen <ak@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Andi Kleen
2010-01-05 12:48:02 +01:00
committed by Greg Kroah-Hartman
parent 1c205ae18d
commit 38457ab3a0
2 changed files with 10 additions and 1 deletions
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2
include/linux/sysdev.h
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@@ -27,10 +27,12 @@
struct sys_device;
struct sysdev_class_attribute;
struct sysdev_class {
const char *name;
struct list_head drivers;
struct sysdev_class_attribute **attrs;
/* Default operations for these types of devices */
int (*shutdown)(struct sys_device *);