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authorMark Brown <broonie@linaro.org>2014-04-29 10:01:28 -0700
committerMark Brown <broonie@linaro.org>2014-04-29 10:01:28 -0700
commit3e93457b45a1a8c69227ce596ee2005fa06f20dd (patch)
tree248c27e432533b1af80a9b2240eaa8e48e3b87cc /drivers/irqchip/irq-vic.c
parent290414499cf94284a97cc3c33214d13ccfcd896a (diff)
parentc42ba72ec3a7a1b6aa30122931f1f4b91b601c31 (diff)
Merge tag 'ib-mfd-regulator-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd into regulator-tps65090
Immutable branch between MFD and Regulator due for v3.16 merge-window.
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);
}
/*