diff options
| author | Paul Cercueil <paul@crapouillou.net> | 2019-10-02 13:25:23 +0200 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2019-11-10 19:55:30 +0100 |
| commit | 208caadce5d4d38f48af965206bbd4473d265080 (patch) | |
| tree | e0ece5e2624454e3da66a22ed4ea0afd86cd031c /drivers/irqchip | |
| parent | irqchip: ingenic: Error out if IRQ domain creation failed (diff) | |
| download | linux-208caadce5d4d38f48af965206bbd4473d265080.tar.xz linux-208caadce5d4d38f48af965206bbd4473d265080.zip | |
irqchip: ingenic: Get virq number from IRQ domain
Get the virq number from the IRQ domain instead of calculating it from
the hardcoded irq base.
Signed-off-by: Paul Cercueil <paul@crapouillou.net>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/1570015525-27018-4-git-send-email-zhouyanjie@zoho.com
Diffstat (limited to 'drivers/irqchip')
| -rw-r--r-- | drivers/irqchip/irq-ingenic.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/irqchip/irq-ingenic.c b/drivers/irqchip/irq-ingenic.c index d97a3a500249..82a079fa3a3d 100644 --- a/drivers/irqchip/irq-ingenic.c +++ b/drivers/irqchip/irq-ingenic.c @@ -21,6 +21,7 @@ struct ingenic_intc_data { void __iomem *base; + struct irq_domain *domain; unsigned num_chips; }; @@ -34,6 +35,7 @@ struct ingenic_intc_data { static irqreturn_t intc_cascade(int irq, void *data) { struct ingenic_intc_data *intc = irq_get_handler_data(irq); + struct irq_domain *domain = intc->domain; uint32_t irq_reg; unsigned i; @@ -43,7 +45,8 @@ static irqreturn_t intc_cascade(int irq, void *data) if (!irq_reg) continue; - generic_handle_irq(__fls(irq_reg) + (i * 32) + JZ4740_IRQ_BASE); + irq = irq_find_mapping(domain, __fls(irq_reg) + (i * 32)); + generic_handle_irq(irq); } return IRQ_HANDLED; @@ -95,6 +98,8 @@ static int __init ingenic_intc_of_init(struct device_node *node, goto out_unmap_base; } + intc->domain = domain; + for (i = 0; i < num_chips; i++) { /* Mask all irqs */ writel(0xffffffff, intc->base + (i * CHIP_SIZE) + |