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path: root/drivers/irqchip/irq-vic.c
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Diffstat (limited to 'drivers/irqchip/irq-vic.c')
-rw-r--r--drivers/irqchip/irq-vic.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-vic.c b/drivers/irqchip/irq-vic.c
index 37dab0b472cd..7d35287f9e90 100644
--- a/drivers/irqchip/irq-vic.c
+++ b/drivers/irqchip/irq-vic.c
@@ -24,6 +24,7 @@
#include <linux/list.h>
#include <linux/io.h>
#include <linux/irq.h>
+#include <linux/irqchip/chained_irq.h>
#include <linux/irqdomain.h>
#include <linux/of.h>
#include <linux/of_address.h>
@@ -228,12 +229,17 @@ static int handle_one_vic(struct vic_device *vic, struct pt_regs *regs)
static void vic_handle_irq_cascaded(unsigned int irq, struct irq_desc *desc)
{
u32 stat, hwirq;
+ struct irq_chip *host_chip = irq_desc_get_chip(desc);
struct vic_device *vic = irq_desc_get_handler_data(desc);
+ chained_irq_enter(host_chip, desc);
+
while ((stat = readl_relaxed(vic->base + VIC_IRQ_STATUS))) {
hwirq = ffs(stat) - 1;
generic_handle_irq(irq_find_mapping(vic->domain, hwirq));
}
+
+ chained_irq_exit(host_chip, desc);
}
/*