From d1b6aecde4ab146d115abcaf3bb1940d8e980b5a Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Tue, 26 Feb 2013 20:59:04 +0900 Subject: 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 Reviewed-by: Thomas Gleixner Tested-by: Guennadi Liakhovetski Signed-off-by: Simon Horman --- drivers/irqchip/irq-renesas-intc-irqpin.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers') diff --git a/drivers/irqchip/irq-renesas-intc-irqpin.c b/drivers/irqchip/irq-renesas-intc-irqpin.c index 0ac2bf683378..59c0cbccf212 100644 --- a/drivers/irqchip/irq-renesas-intc-irqpin.c +++ b/drivers/irqchip/irq-renesas-intc-irqpin.c @@ -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); } -- cgit v1.2.3