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authorMagnus Damm <damm@opensource.se>2013-02-26 12:59:04 +0100
committerSimon Horman <horms+renesas@verge.net.au>2013-03-18 13:26:06 +0100
commitd1b6aecde4ab146d115abcaf3bb1940d8e980b5a (patch)
treedbc0704ddab0921479134afd50a5d21f8106873a /drivers/irqchip
parentirqchip: intc-irqpin: Cache mapped IRQ (diff)
downloadlinux-d1b6aecde4ab146d115abcaf3bb1940d8e980b5a.tar.xz
linux-d1b6aecde4ab146d115abcaf3bb1940d8e980b5a.zip
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>
Diffstat (limited to 'drivers/irqchip')
-rw-r--r--drivers/irqchip/irq-renesas-intc-irqpin.c9
1 files changed, 9 insertions, 0 deletions
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);
}