diff options
Diffstat (limited to 'drivers/irqchip/irq-brcmstb-l2.c')
| -rw-r--r-- | drivers/irqchip/irq-brcmstb-l2.c | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/irqchip/irq-brcmstb-l2.c b/drivers/irqchip/irq-brcmstb-l2.c index 0298ede67e51..fea64bf960c2 100644 --- a/drivers/irqchip/irq-brcmstb-l2.c +++ b/drivers/irqchip/irq-brcmstb-l2.c @@ -2,7 +2,7 @@ /* * Generic Broadcom Set Top Box Level 2 Interrupt controller driver * - * Copyright (C) 2014-2017 Broadcom + * Copyright (C) 2014-2024 Broadcom */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt @@ -113,6 +113,9 @@ static void brcmstb_l2_intc_irq_handle(struct irq_desc *desc) generic_handle_irq(irq_linear_revmap(b->domain, irq)); } while (status); out: + /* Don't ack parent before all device writes are done */ + wmb(); + chained_irq_exit(chip, desc); } @@ -161,6 +164,7 @@ static int __init brcmstb_l2_intc_of_init(struct device_node *np, *init_params) { unsigned int clr = IRQ_NOREQUEST | IRQ_NOPROBE | IRQ_NOAUTOEN; + unsigned int set = 0; struct brcmstb_l2_intc_data *data; struct irq_chip_type *ct; int ret; @@ -208,9 +212,12 @@ static int __init brcmstb_l2_intc_of_init(struct device_node *np, if (IS_ENABLED(CONFIG_MIPS) && IS_ENABLED(CONFIG_CPU_BIG_ENDIAN)) flags |= IRQ_GC_BE_IO; + if (init_params->handler == handle_level_irq) + set |= IRQ_LEVEL; + /* Allocate a single Generic IRQ chip for this node */ ret = irq_alloc_domain_generic_chips(data->domain, 32, 1, - np->full_name, init_params->handler, clr, 0, flags); + np->full_name, init_params->handler, clr, set, flags); if (ret) { pr_err("failed to allocate generic irq chip\n"); goto out_free_domain; |