From: Andrew Lunn <andrew@xxxxxxx>
3.12-stable review patch. If anyone has any objections, please let me know.
===============
commit d86e9af6336c0ad586a5dbd70064253d40bbb5ff upstream.
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@xxxxxxx>
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@xxxxxxxxx>
Fixes: 9dbd90f17e4f ("irqchip: Add support for Marvell Orion SoCs")
Signed-off-by: Jason Cooper <jason@xxxxxxxxxxxxxx>
Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
drivers/irqchip/irq-orion.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/irqchip/irq-orion.c b/drivers/irqchip/irq-orion.c
index 0dfdc5c824a1..8e41be62812e 100644
--- a/drivers/irqchip/irq-orion.c
+++ b/drivers/irqchip/irq-orion.c
@@ -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;
--
1.9.0
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