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ARM: irq: Call irqchip_init if no init_irq function is specified

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More and more sub-architectures are using only the irqchip_init
function. Make the core code call this function if no init_irq field is
provided in the machine description to remove some boilerplate code.

Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Acked-by: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
This commit is contained in:
Maxime Ripard 2013-03-28 21:46:44 +01:00 committed by Olof Johansson
parent c2573077df
commit ebafed7ab9
1 changed files with 5 additions and 1 deletions
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6
arch/arm/kernel/irq.c
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@ -26,6 +26,7 @@
#include <linux/ioport.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/irqchip.h>
#include <linux/random.h>
#include <linux/smp.h>
#include <linux/init.h>
@ -114,7 +115,10 @@ EXPORT_SYMBOL_GPL(set_irq_flags);
void __init init_IRQ(void)
{
machine_desc->init_irq();
if (IS_ENABLED(CONFIG_OF) && !machine_desc->init_irq)
irqchip_init();
else
machine_desc->init_irq();
}
#ifdef CONFIG_MULTI_IRQ_HANDLER