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-rw-r--r--arch/arc/Kconfig1
-rw-r--r--arch/arc/kernel/intc-arcv2.c9
-rw-r--r--arch/arc/kernel/intc-compact.c10
-rw-r--r--arch/arc/kernel/irq.c9
4 files changed, 15 insertions, 14 deletions
diff --git a/arch/arc/Kconfig b/arch/arc/Kconfig
index ae3943435abf..4f1482aa8823 100644
--- a/arch/arc/Kconfig
+++ b/arch/arc/Kconfig
@@ -31,6 +31,7 @@ config ARC
select HAVE_MOD_ARCH_SPECIFIC if ARC_DW2_UNWIND
select HAVE_OPROFILE
select HAVE_PERF_EVENTS
+ select HANDLE_DOMAIN_IRQ
select IRQ_DOMAIN
select MODULES_USE_ELF_RELA
select NO_BOOTMEM
diff --git a/arch/arc/kernel/intc-arcv2.c b/arch/arc/kernel/intc-arcv2.c
index 942526322ae7..592cc977151e 100644
--- a/arch/arc/kernel/intc-arcv2.c
+++ b/arch/arc/kernel/intc-arcv2.c
@@ -137,21 +137,24 @@ static const struct irq_domain_ops arcv2_irq_ops = {
.map = arcv2_irq_map,
};
-static struct irq_domain *root_domain;
static int __init
init_onchip_IRQ(struct device_node *intc, struct device_node *parent)
{
+ struct irq_domain *root_domain;
+
if (parent)
panic("DeviceTree incore intc not a root irq controller\n");
root_domain = irq_domain_add_legacy(intc, NR_CPU_IRQS, 0, 0,
&arcv2_irq_ops, NULL);
-
if (!root_domain)
panic("root irq domain not avail\n");
- /* with this we don't need to export root_domain */
+ /*
+ * Needed for primary domain lookup to succeed
+ * This is a primary irqchip, and can never have a parent
+ */
irq_set_default_host(root_domain);
return 0;
diff --git a/arch/arc/kernel/intc-compact.c b/arch/arc/kernel/intc-compact.c
index d31bc647146d..48a8b24de23e 100644
--- a/arch/arc/kernel/intc-compact.c
+++ b/arch/arc/kernel/intc-compact.c
@@ -97,21 +97,23 @@ static const struct irq_domain_ops arc_intc_domain_ops = {
.map = arc_intc_domain_map,
};
-static struct irq_domain *root_domain;
-
static int __init
init_onchip_IRQ(struct device_node *intc, struct device_node *parent)
{
+ struct irq_domain *root_domain;
+
if (parent)
panic("DeviceTree incore intc not a root irq controller\n");
root_domain = irq_domain_add_legacy(intc, NR_CPU_IRQS, 0, 0,
&arc_intc_domain_ops, NULL);
-
if (!root_domain)
panic("root irq domain not avail\n");
- /* with this we don't need to export root_domain */
+ /*
+ * Needed for primary domain lookup to succeed
+ * This is a primary irqchip, and can never have a parent
+ */
irq_set_default_host(root_domain);
return 0;
diff --git a/arch/arc/kernel/irq.c b/arch/arc/kernel/irq.c
index fb6dede9d05f..538b36afe89e 100644
--- a/arch/arc/kernel/irq.c
+++ b/arch/arc/kernel/irq.c
@@ -41,12 +41,7 @@ void __init init_IRQ(void)
* "C" Entry point for any ARC ISR, called from low level vector handler
* @irq is the vector number read from ICAUSE reg of on-chip intc
*/
-void arch_do_IRQ(unsigned int irq, struct pt_regs *regs)
+void arch_do_IRQ(unsigned int hwirq, struct pt_regs *regs)
{
- struct pt_regs *old_regs = set_irq_regs(regs);
-
- irq_enter();
- generic_handle_irq(irq);
- irq_exit();
- set_irq_regs(old_regs);
+ handle_domain_irq(NULL, hwirq, regs);
}