MIPS: Loongson: Mark cascade interrupts IRQF_NO_THREAD

There are two cascade interrupts in Loongson machines, one for bonito
northbridge, another for the 8259A controller in the southbridge. Both
want to be non threaded.

Signed-off-by: Wu Zhangjin <wuzhangjin@gmail.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: linux-mips@linux-mips.org
Cc: Wu Zhangjin <wuzhangjin@gmail.com>
Patchwork: https://patchwork.linux-mips.org/patch/2638/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

2 files changed, 3 insertions, 1 deletions

diff --git a/arch/mips/loongson/fuloong-2e/irq.c b/arch/mips/loongson/fuloong-2e/irq.c
index d61a04222b87..3cf1fef29f0e 100644
--- a/arch/mips/loongson/fuloong-2e/irq.c
+++ b/arch/mips/loongson/fuloong-2e/irq.c
@@ -42,6 +42,7 @@ asmlinkage void mach_irq_dispatch(unsigned int pending)
 static struct irqaction cascade_irqaction = {
         .handler = no_action,
         .name = "cascade",
+        .flags = IRQF_NO_THREAD,
 };
 
 void __init mach_init_irq(void)
diff --git a/arch/mips/loongson/lemote-2f/irq.c b/arch/mips/loongson/lemote-2f/irq.c
index 081db102bb98..14b081841b6b 100644
--- a/arch/mips/loongson/lemote-2f/irq.c
+++ b/arch/mips/loongson/lemote-2f/irq.c
@@ -96,12 +96,13 @@ static irqreturn_t ip6_action(int cpl, void *dev_id)
 struct irqaction ip6_irqaction = {
         .handler = ip6_action,
         .name = "cascade",
-        .flags = IRQF_SHARED,
+        .flags = IRQF_SHARED | IRQF_NO_THREAD,
 };
 
 struct irqaction cascade_irqaction = {
         .handler = no_action,
         .name = "cascade",
+        .flags = IRQF_NO_THREAD,
 };
 
 void __init mach_init_irq(void)