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Subject[PATCH] Suspend2 Merge: Driver model patches 2/2
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Date
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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