ARCv2: intc: Use kflag if STATUS32.IE must be reset

In the end of "arc_init_IRQ" STATUS32.IE flag is going to be affected by
"flag" instruction but "flag" never touches IE flag on ARCv2. So "kflag"
instruction must be used instead of "flag".

Signed-off-by: Yuriy Kolerov <yuriy.kolerov@synopsys.com>
Cc: stable@vger.kernel.org #4.2+
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>

diff --git a/arch/arc/kernel/intc-arcv2.c b/arch/arc/kernel/intc-arcv2.c
index 6c24faf..62b5940 100644 (file)
--- a/arch/arc/kernel/intc-arcv2.c
+++ b/arch/arc/kernel/intc-arcv2.c
@@ -74,7 +74,7 @@ void arc_init_IRQ(void)
        tmp = read_aux_reg(0xa);
        tmp |= STATUS_AD_MASK | (irq_prio << 1);
        tmp &= ~STATUS_IE_MASK;
-       asm volatile("flag %0   \n"::"r"(tmp));
+       asm volatile("kflag %0  \n"::"r"(tmp));
 }
 
 static void arcv2_irq_mask(struct irq_data *data)