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-rw-r--r--kernel/irq/chip.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index b08c0d24f202..f856330e684a 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -580,6 +580,7 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
580 desc->chip = &dummy_irq_chip; 580 desc->chip = &dummy_irq_chip;
581 } 581 }
582 582
583 chip_bus_lock(irq, desc);
583 spin_lock_irqsave(&desc->lock, flags); 584 spin_lock_irqsave(&desc->lock, flags);
584 585
585 /* Uninstall? */ 586 /* Uninstall? */
@@ -599,6 +600,7 @@ __set_irq_handler(unsigned int irq, irq_flow_handler_t handle, int is_chained,
599 desc->chip->startup(irq); 600 desc->chip->startup(irq);
600 } 601 }
601 spin_unlock_irqrestore(&desc->lock, flags); 602 spin_unlock_irqrestore(&desc->lock, flags);
603 chip_bus_sync_unlock(irq, desc);
602} 604}
603EXPORT_SYMBOL_GPL(__set_irq_handler); 605EXPORT_SYMBOL_GPL(__set_irq_handler);
604 606