Messages in this thread Patch in this message | | | Subject | [PATCH] Suspend2 Merge: Driver model patches 2/2 | From | Nigel Cunningham <> | Date | Thu, 16 Sep 2004 20:58:51 +1000 |
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Hi.
This simple helper adds support for finding a class given its name. I use this to locate the frame buffer drivers and move them to the keep-alive tree while suspending other drivers.
Regards,
Nigel
diff -ruN linux-2.6.9-rc1/drivers/base/class.c software-suspend-linux-2.6.9-rc1-rev3/drivers/base/class.c --- linux-2.6.9-rc1/drivers/base/class.c 2004-09-07 21:58:30.000000000 +1000 +++ software-suspend-linux-2.6.9-rc1-rev3/drivers/base/class.c 2004-09-09 19:36:24.000000000 +1000 @@ -460,6 +460,20 @@ kobject_put(&class_dev->kobj); } +struct class * class_find(char * name) +{ + struct class * this_class; + + if (!name) + return NULL; + + list_for_each_entry(this_class, &class_subsys.kset.list, subsys.kset.kobj.entry) { + if (!(strcmp(this_class->name, name))) + return this_class; + } + + return NULL; +} int class_interface_register(struct class_interface *class_intf) { @@ -542,3 +556,5 @@ EXPORT_SYMBOL(class_interface_register); EXPORT_SYMBOL(class_interface_unregister); + +EXPORT_SYMBOL(class_find); diff -ruN linux-2.6.9-rc1/include/linux/device.h software-suspend-linux-2.6.9-rc1-rev3/include/linux/device.h --- linux-2.6.9-rc1/include/linux/device.h 2004-09-07 21:58:59.000000000 +1000 +++ software-suspend-linux-2.6.9-rc1-rev3/include/linux/device.h 2004-09-09 19:36:24.000000000 +1000 @@ -163,6 +163,7 @@ extern struct class * class_get(struct class *); extern void class_put(struct class *); +extern struct class * class_find(char * name); struct class_attribute { -- Nigel Cunningham Pastoral Worker Christian Reformed Church of Tuggeranong PO Box 1004, Tuggeranong, ACT 2901
Many today claim to be tolerant. True tolerance, however, can cope with others being intolerant.
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