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irqchip/riscv-intc: Add missing free() callback in riscv_intc_domain_ops

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[ Upstream commit 14473a1f88 ]

The irq_domain_free_irqs() helper requires that the irq_domain_ops->free
callback is implemented. Otherwise, the kernel reports the warning message
"NULL pointer, cannot free irq" when irq_dispose_mapping() is invoked to
release the per-HART local interrupts.

Set irq_domain_ops->free to irq_domain_free_irqs_top() to cure that.

Fixes: 832f15f426 ("RISC-V: Treat IPIs as normal Linux IRQs")
Signed-off-by: Nick Hu <nick.hu@sifive.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://patch.msgid.link/20251114-rv-intc-fix-v1-1-a3edd1c1a868@sifive.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Nick Hu
2025-11-14 15:28:44 +08:00
committed by Greg Kroah-Hartman
parent 9944c7938c
commit 484829bc04
1 changed files with 2 additions and 1 deletions
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3
drivers/irqchip/irq-riscv-intc.c
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@@ -166,7 +166,8 @@ static int riscv_intc_domain_alloc(struct irq_domain *domain,
static const struct irq_domain_ops riscv_intc_domain_ops = {
.map = riscv_intc_domain_map,
.xlate = irq_domain_xlate_onecell,
.alloc = riscv_intc_domain_alloc
.alloc = riscv_intc_domain_alloc,
.free = irq_domain_free_irqs_top,
};
static struct fwnode_handle *riscv_intc_hwnode(void)