irq: Remove irq_chip->release()

As it's only user (UML) does no longer need it we can get
rid of it.

Signed-off-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>

1 files changed, 0 insertions, 6 deletions

diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 89a3ea82569b..9b7f68a00e5e 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -1204,12 +1204,6 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id)
         /* Found it - now remove it from the list of entries: */
         *action_ptr = action->next;
 
-        /* Currently used only by UML, might disappear one day: */
-#ifdef CONFIG_IRQ_RELEASE_METHOD
-        if (desc->irq_data.chip->release)
-                desc->irq_data.chip->release(irq, dev_id);
-#endif
-
         /* If this was the last handler, shut down the IRQ line: */
         if (!desc->action)
                 irq_shutdown(desc);