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Diffstat (limited to 'arch/powerpc/sysdev/qe_lib/qe_ic.c')
-rw-r--r--arch/powerpc/sysdev/qe_lib/qe_ic.c29
1 files changed, 7 insertions, 22 deletions
diff --git a/arch/powerpc/sysdev/qe_lib/qe_ic.c b/arch/powerpc/sysdev/qe_lib/qe_ic.c
index 9a2d1edd050e..e1c0fd6dbc1a 100644
--- a/arch/powerpc/sysdev/qe_lib/qe_ic.c
+++ b/arch/powerpc/sysdev/qe_lib/qe_ic.c
@@ -321,25 +321,9 @@ unsigned int qe_ic_get_high_irq(struct qe_ic *qe_ic)
return irq_linear_revmap(qe_ic->irqhost, irq);
}
-void qe_ic_cascade_low(unsigned int irq, struct irq_desc *desc)
-{
- struct qe_ic *qe_ic = desc->handler_data;
- unsigned int cascade_irq = qe_ic_get_low_irq(qe_ic);
-
- if (cascade_irq != NO_IRQ)
- generic_handle_irq(cascade_irq);
-}
-
-void qe_ic_cascade_high(unsigned int irq, struct irq_desc *desc)
-{
- struct qe_ic *qe_ic = desc->handler_data;
- unsigned int cascade_irq = qe_ic_get_high_irq(qe_ic);
-
- if (cascade_irq != NO_IRQ)
- generic_handle_irq(cascade_irq);
-}
-
-void __init qe_ic_init(struct device_node *node, unsigned int flags)
+void __init qe_ic_init(struct device_node *node, unsigned int flags,
+ void (*low_handler)(unsigned int irq, struct irq_desc *desc),
+ void (*high_handler)(unsigned int irq, struct irq_desc *desc))
{
struct qe_ic *qe_ic;
struct resource res;
@@ -399,11 +383,12 @@ void __init qe_ic_init(struct device_node *node, unsigned int flags)
qe_ic_write(qe_ic->regs, QEIC_CICR, temp);
set_irq_data(qe_ic->virq_low, qe_ic);
- set_irq_chained_handler(qe_ic->virq_low, qe_ic_cascade_low);
+ set_irq_chained_handler(qe_ic->virq_low, low_handler);
- if (qe_ic->virq_high != NO_IRQ) {
+ if (qe_ic->virq_high != NO_IRQ &&
+ qe_ic->virq_high != qe_ic->virq_low) {
set_irq_data(qe_ic->virq_high, qe_ic);
- set_irq_chained_handler(qe_ic->virq_high, qe_ic_cascade_high);
+ set_irq_chained_handler(qe_ic->virq_high, high_handler);
}
}