irqchip/versatile: 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: Thomas Gleixner <tglx@linutronix.de>
Cc: Jason Cooper <jason@lakedaemon.net>

diff --git a/drivers/irqchip/irq-versatile-fpga.c b/drivers/irqchip/irq-versatile-fpga.c
index 4ba480b928448c70fce29ec7ad6bd553899f13ae..70088bb3fb53abfec69201eaaad57a016a5eb281 100644 (file)
--- a/drivers/irqchip/irq-versatile-fpga.c
+++ b/drivers/irqchip/irq-versatile-fpga.c
@@ -155,8 +155,8 @@ void __init fpga_irq_init(void __iomem *base, const char *name, int irq_start,
        f->valid = valid;
 
        if (parent_irq != -1) {
-               irq_set_handler_data(parent_irq, f);
-               irq_set_chained_handler(parent_irq, fpga_irq_handle);
+               irq_set_chained_handler_and_data(parent_irq, fpga_irq_handle,
+                                                f);
        }
 
        /* This will also allocate irq descriptors */