Commit bc0c7ece authored Sep 12, 2016 by Yuriy Kolerov Committed by Vineet Gupta Sep 30, 2016

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>

parent 99a2ca65

arch/arc/kernel/intc-arcv2.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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)