[PATCH] powerpc: enable irq's for platform functions.

[linux-2.6-omap-h63xx.git] / arch / powerpc / platforms / powermac / pfunc_core.c

diff --git a/arch/powerpc/platforms/powermac/pfunc_core.c b/arch/powerpc/platforms/powermac/pfunc_core.c
index c32c623001dced0c7a88ed4a30a20ed2650077b6..356a739e52b2d9c446b0c720c50f1d843faf90c5 100644 (file)
--- a/arch/powerpc/platforms/powermac/pfunc_core.c
+++ b/arch/powerpc/platforms/powermac/pfunc_core.c
@@ -862,21 +862,28 @@ int pmf_register_irq_client(struct device_node *target,
                spin_unlock_irqrestore(&pmf_lock, flags);
                return -ENODEV;
        }
+       if (list_empty(&func->irq_clients))
+               func->dev->handlers->irq_enable(func);
        list_add(&client->link, &func->irq_clients);
+       client->func = func;
        spin_unlock_irqrestore(&pmf_lock, flags);
 
        return 0;
 }
 EXPORT_SYMBOL_GPL(pmf_register_irq_client);
 
-void pmf_unregister_irq_client(struct device_node *np,
-                             const char *name,
-                             struct pmf_irq_client *client)
+void pmf_unregister_irq_client(struct pmf_irq_client *client)
 {
+       struct pmf_function *func = client->func;
        unsigned long flags;
 
+       BUG_ON(func == NULL);
+
        spin_lock_irqsave(&pmf_lock, flags);
+       client->func = NULL;
        list_del(&client->link);
+       if (list_empty(&func->irq_clients))
+               func->dev->handlers->irq_disable(func);
        spin_unlock_irqrestore(&pmf_lock, flags);
 }
 EXPORT_SYMBOL_GPL(pmf_unregister_irq_client);