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Commit d23b5799 authored by Gong Tao's avatar Gong Tao Committed by Jonas Bonn
Browse files

openrisc: mask interrupts in irq_mask_ack function 



or1k_pic_mask_ack was failing to actually mask the IRQ.

Signed-off-by: default avatarGong Tao <gongtao0607@gmail.com>
Signed-off-by: default avatarJonas Bonn <jonas@southpole.se>
parent 8eea8a6a

arch/openrisc/kernel/irq.c

+2 −0
Original line number Diff line number Diff line
@@ -87,9 +87,11 @@ static void or1k_pic_mask_ack(struct irq_data *data) 
	/* Comments for pic_ack apply here, too */



#ifdef CONFIG_OR1K_1200

	mtspr(SPR_PICMR, mfspr(SPR_PICMR) & ~(1UL << data->hwirq));

	mtspr(SPR_PICSR, mfspr(SPR_PICSR) & ~(1UL << data->hwirq));

#else

	WARN(1, "Interrupt handling possibly broken\n");

	mtspr(SPR_PICMR, (1UL << data->hwirq));

	mtspr(SPR_PICSR, (1UL << data->hwirq));

#endif

}