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path: root/drivers/irqchip/irq-orion.c
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Diffstat (limited to 'drivers/irqchip/irq-orion.c')
-rw-r--r--drivers/irqchip/irq-orion.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/irqchip/irq-orion.c b/drivers/irqchip/irq-orion.c
index e25f246cd2fb..34d18b48bb78 100644
--- a/drivers/irqchip/irq-orion.c
+++ b/drivers/irqchip/irq-orion.c
@@ -42,7 +42,7 @@ __exception_irq_entry orion_handle_irq(struct pt_regs *regs)
u32 stat = readl_relaxed(gc->reg_base + ORION_IRQ_CAUSE) &
gc->mask_cache;
while (stat) {
- u32 hwirq = ffs(stat) - 1;
+ u32 hwirq = __fls(stat);
u32 irq = irq_find_mapping(orion_irq_domain,
gc->irq_base + hwirq);
handle_IRQ(irq, regs);
@@ -117,7 +117,7 @@ static void orion_bridge_irq_handler(unsigned int irq, struct irq_desc *desc)
gc->mask_cache;
while (stat) {
- u32 hwirq = ffs(stat) - 1;
+ u32 hwirq = __fls(stat);
generic_handle_irq(irq_find_mapping(d, gc->irq_base + hwirq));
stat &= ~(1 << hwirq);