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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>
This commit is contained in:
Yuriy Kolerov 2016-09-12 18:55:03 +03:00 committed by Vineet Gupta
parent 99a2ca65d5
commit bc0c7ece61
1 changed files with 1 additions and 1 deletions
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2
arch/arc/kernel/intc-arcv2.c
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@ -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)