4.7-stable review patch. If anyone has any objections, please let me know.
------------------
From: Yuriy Kolerov <yuriy.kole...@synopsys.com>
commit bc0c7ece6191d89f435e4e4016f74167430c6c21 upstream.
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.kole...@synopsys.com>
Signed-off-by: Vineet Gupta <vgu...@synopsys.com>
Signed-off-by: Greg Kroah-Hartman <gre...@linuxfoundation.org>
---
arch/arc/kernel/intc-arcv2.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- 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)
