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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 @@
24#include <linux/list.h> 24#include <linux/list.h>
25#include <linux/io.h> 25#include <linux/io.h>
26#include <linux/irq.h> 26#include <linux/irq.h>
27#include <linux/irqchip/chained_irq.h>
27#include <linux/irqdomain.h> 28#include <linux/irqdomain.h>
28#include <linux/of.h> 29#include <linux/of.h>
29#include <linux/of_address.h> 30#include <linux/of_address.h>
@@ -228,12 +229,17 @@ static int handle_one_vic(struct vic_device *vic, struct pt_regs *regs)
228static void vic_handle_irq_cascaded(unsigned int irq, struct irq_desc *desc) 229static void vic_handle_irq_cascaded(unsigned int irq, struct irq_desc *desc)
229{ 230{
230 u32 stat, hwirq; 231 u32 stat, hwirq;
232 struct irq_chip *host_chip = irq_desc_get_chip(desc);
231 struct vic_device *vic = irq_desc_get_handler_data(desc); 233 struct vic_device *vic = irq_desc_get_handler_data(desc);
232 234
235 chained_irq_enter(host_chip, desc);
236
233 while ((stat = readl_relaxed(vic->base + VIC_IRQ_STATUS))) { 237 while ((stat = readl_relaxed(vic->base + VIC_IRQ_STATUS))) {
234 hwirq = ffs(stat) - 1; 238 hwirq = ffs(stat) - 1;
235 generic_handle_irq(irq_find_mapping(vic->domain, hwirq)); 239 generic_handle_irq(irq_find_mapping(vic->domain, hwirq));
236 } 240 }
241
242 chained_irq_exit(host_chip, desc);
237} 243}
238 244
239/* 245/*