From: Huacai Chen Date: Tue, 13 Jan 2026 08:59:35 +0000 (+0800) Subject: irqchip/loongson-liointc: Adjust irqchip driver for 32BIT/64BIT X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=57e05137ac3b37fd9b7b8714839d25b924073aef;p=thirdparty%2Flinux.git irqchip/loongson-liointc: Adjust irqchip driver for 32BIT/64BIT irq_domain_alloc_fwnode() takes a parameter with the phys_addr_t type. Currently the code passes acpi_liointc->address to it. This can only work on 64BIT platforms because its type is u64, so cast it to phys_addr_t and then the driver works on both 32BIT and 64BIT platform. [ tglx: Make the cast explicit and use the casted address as argument for liointc_init() which takes a phys_addr_t as well. Sigh... ] Co-developed-by: Jiaxun Yang Signed-off-by: Jiaxun Yang Signed-off-by: Huacai Chen Signed-off-by: Thomas Gleixner Link: https://patch.msgid.link/20260113085940.3344837-3-chenhuacai@loongson.cn --- diff --git a/drivers/irqchip/irq-loongson-liointc.c b/drivers/irqchip/irq-loongson-liointc.c index 0033c2188abc1..551597e2c4285 100644 --- a/drivers/irqchip/irq-loongson-liointc.c +++ b/drivers/irqchip/irq-loongson-liointc.c @@ -394,8 +394,9 @@ static int __init acpi_cascade_irqdomain_init(void) int __init liointc_acpi_init(struct irq_domain *parent, struct acpi_madt_lio_pic *acpi_liointc) { - int ret; + phys_addr_t addr = (phys_addr_t)acpi_liointc->address; struct fwnode_handle *domain_handle; + int ret; parent_int_map[0] = acpi_liointc->cascade_map[0]; parent_int_map[1] = acpi_liointc->cascade_map[1]; @@ -403,14 +404,13 @@ int __init liointc_acpi_init(struct irq_domain *parent, struct acpi_madt_lio_pic parent_irq[0] = irq_create_mapping(parent, acpi_liointc->cascade[0]); parent_irq[1] = irq_create_mapping(parent, acpi_liointc->cascade[1]); - domain_handle = irq_domain_alloc_fwnode(&acpi_liointc->address); + domain_handle = irq_domain_alloc_fwnode(&addr); if (!domain_handle) { pr_err("Unable to allocate domain handle\n"); return -ENOMEM; } - ret = liointc_init(acpi_liointc->address, acpi_liointc->size, - 1, domain_handle, NULL); + ret = liointc_init(addr, acpi_liointc->size, 1, domain_handle, NULL); if (ret == 0) ret = acpi_cascade_irqdomain_init(); else