From: Thomas Gleixner <tglx@linutronix.de>
Date: Sun, 21 Jun 2015 19:10:55 +0000 (+0200)
Subject: irqchip/metag: Consolidate chained IRQ handler install/remove
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=832b404ea0f48a57f1099327cd3137e9a6a51f88;p=deliverable%2Flinux.git

irqchip/metag: Consolidate chained IRQ handler install/remove

Chained irq handlers usually set up handler data as well. We now have
a function to set both under irq_desc->lock. Replace the two calls
with one.

Search and conversion was done with coccinelle:

@@
expression E1, E2, E3;
@@
(
-if (irq_set_handler_data(E1, E2) != 0)
-   BUG();
|
-irq_set_handler_data(E1, E2);
)
-irq_set_chained_handler(E1, E3);
+irq_set_chained_handler_and_data(E1, E3, E2);

@@
expression E1, E2, E3;
@@
(
-if (irq_set_handler_data(E1, E2) != 0)
-   BUG();
...
|
-irq_set_handler_data(E1, E2);
...
)
-irq_set_chained_handler(E1, E3);
+irq_set_chained_handler_and_data(E1, E3, E2);

Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Julia Lawall <Julia.Lawall@lip6.fr>
Cc: James Hogan <james.hogan@imgtec.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Cooper <jason@lakedaemon.net>
Cc: linux-metag@vger.kernel.org
---

diff --git a/drivers/irqchip/irq-metag.c b/drivers/irqchip/irq-metag.c
index c16c186d97d3..3d23ce3edb5c 100644
--- a/drivers/irqchip/irq-metag.c
+++ b/drivers/irqchip/irq-metag.c
@@ -286,8 +286,7 @@ static void metag_internal_irq_init_cpu(struct metag_internal_irq_priv *priv,
 	int irq = tbisig_map(signum);
 
 	/* Register the multiplexed IRQ handler */
-	irq_set_handler_data(irq, priv);
-	irq_set_chained_handler(irq, metag_internal_irq_demux);
+	irq_set_chained_handler_and_data(irq, metag_internal_irq_demux, priv);
 	irq_set_irq_type(irq, IRQ_TYPE_LEVEL_LOW);
 }