Commit 89583896 authored by Billy Tsai's avatar Billy Tsai Committed by Marc Zyngier
Browse files

irqchip/aspeed-scu: Replace update_bits with write_bits. 



The interrupt status bits are cleared by writing 1, we should force a
write to clear the interrupt without checking if the value has changed.

Fixes: 04f60590 ("irqchip: Add Aspeed SCU interrupt controller")
Signed-off-by: default avatarBilly Tsai <billy_tsai@aspeedtech.com>
Reviewed-by: default avatarJoel Stanley <joel@jms.id.au>
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211124094348.11621-1-billy_tsai@aspeedtech.com
Cc: stable@vger.kernel.org
parent d0a55350

drivers/irqchip/irq-aspeed-scu-ic.c

+2 −2
Original line number Diff line number Diff line
@@ -76,7 +76,7 @@ static void aspeed_scu_ic_irq_handler(struct irq_desc *desc) 
		generic_handle_domain_irq(scu_ic->irq_domain,

					  bit - scu_ic->irq_shift);



		regmap_update_bits(scu_ic->scu, scu_ic->reg, mask,

		regmap_write_bits(scu_ic->scu, scu_ic->reg, mask,

				  BIT(bit + ASPEED_SCU_IC_STATUS_SHIFT));

	}