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);
         }
 }