[PATCH v2 08/16] irqchip: mips-gic: Implement generic irq_ack/irq_eoi callbacks
From: Andrew Bresticker <hidden>
Date: 2014-09-05 17:32:59
Also in:
linux-mips, lkml
Subsystem:
irqchip drivers, mips core drivers, the rest · Maintainers:
Thomas Gleixner, Thomas Bogendoerfer, Linus Torvalds
Implement a default gic_irq_ack() and gic_finish_irq(). These are suitable for handling IPIs on Malta and the upcoming Danube board. Signed-off-by: Andrew Bresticker <redacted> --- No changes from v1. --- drivers/irqchip/irq-mips-gic.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+)
diff --git a/drivers/irqchip/irq-mips-gic.c b/drivers/irqchip/irq-mips-gic.c
index f29bb4e..0549768 100644
--- a/drivers/irqchip/irq-mips-gic.c
+++ b/drivers/irqchip/irq-mips-gic.c@@ -239,6 +239,20 @@ static void gic_unmask_irq(struct irq_data *d) GIC_SET_INTR_MASK(d->irq - gic_irq_base); } +void __weak gic_irq_ack(struct irq_data *d) +{ + GIC_CLR_INTR_MASK(d->irq - gic_irq_base); + + /* Clear edge detector */ + if (gic_irq_flags[d->irq - gic_irq_base] & GIC_TRIG_EDGE) + GICWRITE(GIC_REG(SHARED, GIC_SH_WEDGE), d->irq - gic_irq_base); +} + +void __weak gic_finish_irq(struct irq_data *d) +{ + GIC_SET_INTR_MASK(d->irq - gic_irq_base); +} + static int gic_set_type(struct irq_data *d, unsigned int type) { unsigned int irq = d->irq - gic_irq_base;
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2.1.0.rc2.206.gedb03e5