diff options
Diffstat (limited to 'arch/microblaze/kernel/intc.c')
| -rw-r--r-- | arch/microblaze/kernel/intc.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/microblaze/kernel/intc.c b/arch/microblaze/kernel/intc.c index 6eea6f92b84e..03172c1da770 100644 --- a/arch/microblaze/kernel/intc.c +++ b/arch/microblaze/kernel/intc.c @@ -42,8 +42,16 @@ unsigned int nr_irq; static void intc_enable_or_unmask(unsigned int irq) { + unsigned long mask = 1 << irq; pr_debug("enable_or_unmask: %d\n", irq); - out_be32(INTC_BASE + SIE, 1 << irq); + out_be32(INTC_BASE + SIE, mask); + + /* ack level irqs because they can't be acked during + * ack function since the handle_level_irq function + * acks the irq before calling the interrupt handler + */ + if (irq_desc[irq].status & IRQ_LEVEL) + out_be32(INTC_BASE + IAR, mask); } static void intc_disable_or_mask(unsigned int irq) |