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
This commit is contained in:
parent
52ecc87642
commit
208caadce5
|
@ -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) +
|
||||
|
|
Loading…
Reference in a new issue