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irqchip: orion: Fix getting generic chip pointer.

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Enabling SPARSE_IRQ shows up a bug in the irq-orion bridge interrupt
handler. The bridge interrupt is implemented using a single generic
chip. Thus the parameter passed to irq_get_domain_generic_chip()
should always be zero.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Fixes: 9dbd90f17e ("irqchip: Add support for Marvell Orion SoCs")
Cc: <stable@vger.kernel.org> # v3.11+
Signed-off-by: Jason Cooper <jason@lakedaemon.net>
This commit is contained in:
Andrew Lunn 2014-02-07 00:41:58 +01:00 committed by Jason Cooper
parent e0318ec3bf
commit d86e9af633
1 changed files with 2 additions and 1 deletions
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3
drivers/irqchip/irq-orion.c
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@ -111,7 +111,8 @@ IRQCHIP_DECLARE(orion_intc, "marvell,orion-intc", orion_irq_init);
static void orion_bridge_irq_handler(unsigned int irq, struct irq_desc *desc)
{
struct irq_domain *d = irq_get_handler_data(irq);
struct irq_chip_generic *gc = irq_get_domain_generic_chip(d, irq);
struct irq_chip_generic *gc = irq_get_domain_generic_chip(d, 0);
u32 stat = readl_relaxed(gc->reg_base + ORION_BRIDGE_IRQ_CAUSE) &
gc->mask_cache;