openrisc: Convert handle_IRQ to use __handle_domain_irq

In order to limit code duplication, convert the architecture specific
handle_IRQ to use the generic __handle_domain_irq function.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Acked-by: Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
Link: https://lkml.kernel.org/r/1409047421-27649-5-git-send-email-marc.zyngier@arm.com
Signed-off-by: Jason Cooper <jason@lakedaemon.net>

2 files changed, 2 insertions, 8 deletions

diff --git a/arch/openrisc/Kconfig b/arch/openrisc/Kconfig
index 88e83368bbf5..e5a693b16da2 100644
--- a/arch/openrisc/Kconfig
+++ b/arch/openrisc/Kconfig
@@ -8,6 +8,7 @@ config OPENRISC
         select OF
         select OF_EARLY_FLATTREE
         select IRQ_DOMAIN
+        select HANDLE_DOMAIN_IRQ
         select HAVE_MEMBLOCK
         select ARCH_REQUIRE_GPIOLIB
         select HAVE_ARCH_TRACEHOOK
diff --git a/arch/openrisc/kernel/irq.c b/arch/openrisc/kernel/irq.c
index 967eb1430203..e9aaf280b7d9 100644
--- a/arch/openrisc/kernel/irq.c
+++ b/arch/openrisc/kernel/irq.c
@@ -50,14 +50,7 @@ void __init set_handle_irq(void (*handle_irq)(struct pt_regs *))
 
 void handle_IRQ(unsigned int irq, 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, irq, false, regs);
 }
 
 void __irq_entry do_IRQ(struct pt_regs *regs)