irqchip/ls-extirq: add IRQCHIP_SKIP_SET_WAKE to the irqchip flags

The ls-extirq driver doesn't implement the irq_set_wake()
callback, while being wake-up capable. This results in
ugly behaviours across suspend/resume cycles.

Advertise this by adding IRQCHIP_SKIP_SET_WAKE to
the irqchip flags

Fixes: b16a1ca ("irqchip/ls-extirq: Add LS1043A, LS1088A external interrupt support")
Signed-off-by: Biwen Li <biwen.li@nxp.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20210129095034.33821-1-biwen.li@oss.nxp.com

drivers/irqchip/irq-ls-extirq.c

@@ -64,7 +64,7 @@ static struct irq_chip ls_extirq_chip = {
 	.irq_set_type		= ls_extirq_set_type,
 	.irq_retrigger		= irq_chip_retrigger_hierarchy,
 	.irq_set_affinity	= irq_chip_set_affinity_parent,
-	.flags                  = IRQCHIP_SET_TYPE_MASKED,
+	.flags                  = IRQCHIP_SET_TYPE_MASKED | IRQCHIP_SKIP_SET_WAKE,
 };
 
 static int