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Merge branch irq/misc-5.15 into irq/irqchip-next

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- Fix edge interrupt support on loongson systems
- Advertise lack of wake-up logic on mtk-sysirq

* irq/misc-5.15:
  irqchip/mtk-sysirq: Skip setting irq-wake
  irqchip/loongson-pch-pic: Improve edge triggered interrupt support

Signed-off-by: Marc Zyngier <maz@kernel.org>
This commit is contained in:
Marc Zyngier 2021-08-12 11:40:50 +01:00
commit 4513fb87e1
2 changed files with 19 additions and 1 deletions
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19
drivers/irqchip/irq-loongson-pch-pic.c
View File

@ -92,18 +92,22 @@ static int pch_pic_set_type(struct irq_data *d, unsigned int type)
case IRQ_TYPE_EDGE_RISING:
pch_pic_bitset(priv, PCH_PIC_EDGE, d->hwirq);
pch_pic_bitclr(priv, PCH_PIC_POL, d->hwirq);
irq_set_handler_locked(d, handle_edge_irq);
break;
case IRQ_TYPE_EDGE_FALLING:
pch_pic_bitset(priv, PCH_PIC_EDGE, d->hwirq);
pch_pic_bitset(priv, PCH_PIC_POL, d->hwirq);
irq_set_handler_locked(d, handle_edge_irq);
break;
case IRQ_TYPE_LEVEL_HIGH:
pch_pic_bitclr(priv, PCH_PIC_EDGE, d->hwirq);
pch_pic_bitclr(priv, PCH_PIC_POL, d->hwirq);
irq_set_handler_locked(d, handle_level_irq);
break;
case IRQ_TYPE_LEVEL_LOW:
pch_pic_bitclr(priv, PCH_PIC_EDGE, d->hwirq);
pch_pic_bitset(priv, PCH_PIC_POL, d->hwirq);
irq_set_handler_locked(d, handle_level_irq);
break;
default:
ret = -EINVAL;
@ -113,11 +117,24 @@ static int pch_pic_set_type(struct irq_data *d, unsigned int type)
return ret;
}
static void pch_pic_ack_irq(struct irq_data *d)
{
unsigned int reg;
struct pch_pic *priv = irq_data_get_irq_chip_data(d);
reg = readl(priv->base + PCH_PIC_EDGE + PIC_REG_IDX(d->hwirq) * 4);
if (reg & BIT(PIC_REG_BIT(d->hwirq))) {
writel(BIT(PIC_REG_BIT(d->hwirq)),
priv->base + PCH_PIC_CLR + PIC_REG_IDX(d->hwirq) * 4);
}
irq_chip_ack_parent(d);
}
static struct irq_chip pch_pic_irq_chip = {
.name = "PCH PIC",
.irq_mask = pch_pic_mask_irq,
.irq_unmask = pch_pic_unmask_irq,
.irq_ack = irq_chip_ack_parent,
.irq_ack = pch_pic_ack_irq,
.irq_set_affinity = irq_chip_set_affinity_parent,
.irq_set_type = pch_pic_set_type,
};

1
drivers/irqchip/irq-mtk-sysirq.c
View File

@ -65,6 +65,7 @@ static struct irq_chip mtk_sysirq_chip = {
.irq_set_type = mtk_sysirq_set_type,
.irq_retrigger = irq_chip_retrigger_hierarchy,
.irq_set_affinity = irq_chip_set_affinity_parent,
.flags = IRQCHIP_SKIP_SET_WAKE,
};
static int mtk_sysirq_domain_translate(struct irq_domain *d,