diff options
| author | Sebastian Hesselbarth <[email protected]> | 2014-01-23 23:38:04 +0100 |
|---|---|---|
| committer | Jason Cooper <[email protected]> | 2014-02-06 18:03:08 +0000 |
| commit | 7b119fd1bdc59a8060df5b659b9f7a70e0169fd6 (patch) | |
| tree | 67a60f34b3439dd74d7499bdd28c7630a5d13910 | |
| parent | 38dbfb59d1175ef458d006556061adeaa8751b72 (diff) | |
irqchip: orion: clear bridge cause register on init
It is good practice to mask and clear pending irqs on init. We already
mask all irqs, so also clear the bridge irq cause register.
Signed-off-by: Sebastian Hesselbarth <[email protected]>
Tested-by: Ezequiel Garcia <[email protected]>
Cc: <[email protected]> # v3.10+
Signed-off-by: Jason Cooper <[email protected]>
| -rw-r--r-- | drivers/irqchip/irq-orion.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/irqchip/irq-orion.c b/drivers/irqchip/irq-orion.c index e51d40031884..4137c3d15284 100644 --- a/drivers/irqchip/irq-orion.c +++ b/drivers/irqchip/irq-orion.c @@ -180,8 +180,9 @@ static int __init orion_bridge_irq_init(struct device_node *np, gc->chip_types[0].chip.irq_mask = irq_gc_mask_clr_bit; gc->chip_types[0].chip.irq_unmask = irq_gc_mask_set_bit; - /* mask all interrupts */ + /* mask and clear all interrupts */ writel(0, gc->reg_base + ORION_BRIDGE_IRQ_MASK); + writel(0, gc->reg_base + ORION_BRIDGE_IRQ_CAUSE); irq_set_handler_data(irq, domain); irq_set_chained_handler(irq, orion_bridge_irq_handler); |