irqchip/i8259: Prepare i8259_irq_dispatch for irq argument removal

Make irq a local variable and retrieve domain from the irq descriptor
which avoid a redundant lookup.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Thomas Gleixner 2015-07-31 21:59:10 +02:00
parent 0509cfde03
commit 4ba375016f

View file

@ -352,10 +352,11 @@ void __init init_i8259_irqs(void)
__init_i8259_irqs(NULL);
}
static void i8259_irq_dispatch(unsigned int irq, struct irq_desc *desc)
static void i8259_irq_dispatch(unsigned int __irq, struct irq_desc *desc)
{
struct irq_domain *domain = irq_get_handler_data(irq);
struct irq_domain *domain = irq_desc_get_handler_data(desc);
int hwirq = i8259_irq();
unsigned int irq;
if (hwirq < 0)
return;