Commit 6c725f33 authored by Anup Patel's avatar Anup Patel Committed by Thomas Gleixner
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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: default avatarAnup Patel <apatel@ventanamicro.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/r/20240222094006.1030709-5-apatel@ventanamicro.com
parent b68d0ff5

drivers/irqchip/irq-sifive-plic.c

+5 −4
Original line number Diff line number Diff line
@@ -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);

		}



		/*