diff options
| author | Vladimir Kondratiev <vladimir.kondratiev@mobileye.com> | 2025-06-12 17:39:09 +0300 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2025-06-26 16:06:40 +0200 |
| commit | 128ab2cfd0205fe395196a9f3221bcddd6adf54e (patch) | |
| tree | 06db6b059c0c6c1a0de9cd5ef830646d2ca4ed3f /drivers/irqchip/irq-aclint-sswi.c | |
| parent | c8c8443a64a186df0508c709d51fe9c7db0b5d55 (diff) | |
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: Vladimir Kondratiev <vladimir.kondratiev@mobileye.com>
Signed-off-by: Thomas 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]
Diffstat (limited to 'drivers/irqchip/irq-aclint-sswi.c')
| -rw-r--r-- | drivers/irqchip/irq-aclint-sswi.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-aclint-sswi.c b/drivers/irqchip/irq-aclint-sswi.c index 9d8b19be66b6..93e28e9f281f 100644 --- a/drivers/irqchip/irq-aclint-sswi.c +++ b/drivers/irqchip/irq-aclint-sswi.c @@ -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; } |