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authorAnup Patel <apatel@ventanamicro.com>2024-02-22 12:39:52 +0300
committerThomas Gleixner <tglx@linutronix.de>2024-02-23 12:18:44 +0300
commit6c725f33d67b53f2d302c2c4509deae953fc6ade (patch)
treef7582a318a666944f799532945477eb3cf12ce56 /drivers/irqchip
parentb68d0ff529a939a118ec52f271be8cad5d99e79a (diff)
downloadlinux-6c725f33d67b53f2d302c2c4509deae953fc6ade.tar.xz
irqchip/sifive-plic: Use riscv_get_intc_hwnode() to get parent fwnode
The RISC-V INTC irqdomain is always the parent irqdomain of SiFive PLIC so use riscv_get_intc_hwnode() to get the parent fwnode similar to other RISC-V drivers which use local interrupts. Signed-off-by: Anup Patel <apatel@ventanamicro.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Link: https://lore.kernel.org/r/20240222094006.1030709-5-apatel@ventanamicro.com
Diffstat (limited to 'drivers/irqchip')
-rw-r--r--drivers/irqchip/irq-sifive-plic.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/irqchip/irq-sifive-plic.c b/drivers/irqchip/irq-sifive-plic.c
index 299feefa4207..208fad76f560 100644
--- a/drivers/irqchip/irq-sifive-plic.c
+++ b/drivers/irqchip/irq-sifive-plic.c
@@ -423,6 +423,7 @@ static int plic_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
unsigned long plic_quirks = 0;
struct plic_handler *handler;
+ struct irq_domain *domain;
struct plic_priv *priv;
bool cpuhp_setup;
unsigned int cpu;
@@ -502,11 +503,11 @@ static int plic_probe(struct platform_device *pdev)
}
/* Find parent domain and register chained handler */
- if (!plic_parent_irq && irq_find_host(parent.np)) {
- plic_parent_irq = irq_of_parse_and_map(to_of_node(dev->fwnode), i);
+ domain = irq_find_matching_fwnode(riscv_get_intc_hwnode(), DOMAIN_BUS_ANY);
+ if (!plic_parent_irq && domain) {
+ plic_parent_irq = irq_create_mapping(domain, RV_IRQ_EXT);
if (plic_parent_irq)
- irq_set_chained_handler(plic_parent_irq,
- plic_handle_irq);
+ irq_set_chained_handler(plic_parent_irq, plic_handle_irq);
}
/*