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irqchip: intc-irqpin: Add force comments 

Add comments to describe the special case for
"force" versions of enable and disable functions.

Signed-off-by: Magnus Damm <damm@opensource.se>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
This commit is contained in:
Magnus Damm 2013-02-26 20:59:04 +09:00 committed by Simon Horman
parent 33f958f2a7
commit d1b6aecde4
1 changed files with 9 additions and 0 deletions
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9
drivers/irqchip/irq-renesas-intc-irqpin.c
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@ -199,6 +199,11 @@ static void intc_irqpin_irq_enable_force(struct irq_data *d)
int irq = p->irq[irqd_to_hwirq(d)].requested_irq;
intc_irqpin_irq_enable(d);
/* enable interrupt through parent interrupt controller,
* assumes non-shared interrupt with 1:1 mapping
* needed for busted IRQs on some SoCs like sh73a0
*/
irq_get_chip(irq)->irq_unmask(irq_get_irq_data(irq));
}
@ -207,6 +212,10 @@ static void intc_irqpin_irq_disable_force(struct irq_data *d)
struct intc_irqpin_priv *p = irq_data_get_irq_chip_data(d);
int irq = p->irq[irqd_to_hwirq(d)].requested_irq;
/* disable interrupt through parent interrupt controller,
* assumes non-shared interrupt with 1:1 mapping
* needed for busted IRQs on some SoCs like sh73a0
*/
irq_get_chip(irq)->irq_mask(irq_get_irq_data(irq));
intc_irqpin_irq_disable(d);
}