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authorPaul Moore <pmoore@redhat.com>2014-06-17 17:30:23 -0400
committerPaul Moore <pmoore@redhat.com>2014-06-17 17:30:23 -0400
commit170b5910d9fbea79de1bb40df22eda5f98250c0c (patch)
treeca9560e878d2842d45c6f99077d0d8b8f8b0f9ba /arch/arm/mach-omap2/irq.c
parent47dd0b76ace953bd2c0479076db0d3e3b9594003 (diff)
parent1860e379875dfe7271c649058aeddffe5afd9d0d (diff)
Merge tag 'v3.15' into next
Linux 3.15
Diffstat (limited to 'arch/arm/mach-omap2/irq.c')
-rw-r--r--arch/arm/mach-omap2/irq.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-omap2/irq.c b/arch/arm/mach-omap2/irq.c
index e022a869bff..6037a9a01ed 100644
--- a/arch/arm/mach-omap2/irq.c
+++ b/arch/arm/mach-omap2/irq.c
@@ -222,6 +222,7 @@ void __init ti81xx_init_irq(void)
static inline void omap_intc_handle_irq(void __iomem *base_addr, struct pt_regs *regs)
{
u32 irqnr;
+ int handled_irq = 0;
do {
irqnr = readl_relaxed(base_addr + 0x98);
@@ -249,8 +250,15 @@ out:
if (irqnr) {
irqnr = irq_find_mapping(domain, irqnr);
handle_IRQ(irqnr, regs);
+ handled_irq = 1;
}
} while (irqnr);
+
+ /* If an irq is masked or deasserted while active, we will
+ * keep ending up here with no irq handled. So remove it from
+ * the INTC with an ack.*/
+ if (!handled_irq)
+ omap_ack_irq(NULL);
}
asmlinkage void __exception_irq_entry omap2_intc_handle_irq(struct pt_regs *regs)