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irqchip/i8259: Prepare i8259_irq_dispatch for irq argument removal

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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
1 changed files with 3 additions and 2 deletions
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5
drivers/irqchip/irq-i8259.c
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@ -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;