Commit 128ab2cf authored by Vladimir Kondratiev's avatar Vladimir Kondratiev Committed by Thomas Gleixner
Browse files

irqchip/aslint-sswi: Resolve hart index 



Resolve hart index according to assignment in the "riscv,hart-indexes"
property as defined in the specification [1]

Signed-off-by: default avatarVladimir Kondratiev <vladimir.kondratiev@mobileye.com>
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250612143911.3224046-6-vladimir.kondratiev@mobileye.com
Link: https://github.com/riscvarchive/riscv-aclint [1]
parent c8c8443a

drivers/irqchip/irq-aclint-sswi.c

+6 −0
Original line number Diff line number Diff line
@@ -71,6 +71,7 @@ static int __init aclint_sswi_parse_irq(struct fwnode_handle *fwnode, void __iom 
	for (u32 i = 0; i < contexts; i++) {

		struct of_phandle_args parent;

		unsigned long hartid;

		u32 hart_index;

		int rc, cpu;



		rc = of_irq_parse_one(to_of_node(fwnode), i, &parent);
@@ -86,6 +87,11 @@ static int __init aclint_sswi_parse_irq(struct fwnode_handle *fwnode, void __iom 


		cpu = riscv_hartid_to_cpuid(hartid);



		rc = riscv_get_hart_index(fwnode, i, &hart_index);

		if (rc) {

			pr_warn("%pfwP: hart index [%d] not found\n", fwnode, i);

			return -EINVAL;

		}

		per_cpu(sswi_cpu_regs, cpu) = reg + hart_index * 4;

	}