[PATCH 03/12] irqchip/riscv-imsic: Convert to msi_create_parent_irq_domain() helper
Nam Cao
namcao at linutronix.de
Thu Jun 26 07:49:00 PDT 2025
From: Marc Zyngier <maz at kernel.org>
Now that we have a concise helper to create an MSI parent domain,
switch the RISC-V letter soup over to that.
Signed-off-by: Marc Zyngier <maz at kernel.org>
Signed-off-by: Thomas Gleixner <tglx at linutronix.de>
Signed-off-by: Nam Cao <tglx at linutronix.de>
Link: https://lore.kernel.org/all/20241204124549.607054-6-maz@kernel.org
---
Cc: Anup Patel <anup at brainfault.org>
Cc: Paul Walmsley <paul.walmsley at sifive.com>
Cc: Palmer Dabbelt <palmer at dabbelt.com>
Cc: Albert Ou <aou at eecs.berkeley.edu>
Cc: Alexandre Ghiti <alex at ghiti.fr>
Cc: linux-riscv at lists.infradead.org
Cc: linux-kernel at vger.kernel.org
---
drivers/irqchip/irq-riscv-imsic-platform.c | 12 ++++++------
1 file changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/irqchip/irq-riscv-imsic-platform.c b/drivers/irqchip/irq-riscv-imsic-platform.c
index 1b9fbfce95816..74a2a28f94030 100644
--- a/drivers/irqchip/irq-riscv-imsic-platform.c
+++ b/drivers/irqchip/irq-riscv-imsic-platform.c
@@ -307,6 +307,11 @@ static const struct msi_parent_ops imsic_msi_parent_ops = {
int imsic_irqdomain_init(void)
{
+ struct irq_domain_info info = {
+ .fwnode = imsic->fwnode,
+ .ops = &imsic_base_domain_ops,
+ .host_data = imsic,
+ };
struct imsic_global_config *global;
if (!imsic || !imsic->fwnode) {
@@ -320,16 +325,11 @@ int imsic_irqdomain_init(void)
}
/* Create Base IRQ domain */
- imsic->base_domain = irq_domain_create_tree(imsic->fwnode,
- &imsic_base_domain_ops, imsic);
+ imsic->base_domain = msi_create_parent_irq_domain(&info, &imsic_msi_parent_ops);
if (!imsic->base_domain) {
pr_err("%pfwP: failed to create IMSIC base domain\n", imsic->fwnode);
return -ENOMEM;
}
- imsic->base_domain->flags |= IRQ_DOMAIN_FLAG_MSI_PARENT;
- imsic->base_domain->msi_parent_ops = &imsic_msi_parent_ops;
-
- irq_domain_update_bus_token(imsic->base_domain, DOMAIN_BUS_NEXUS);
global = &imsic->global;
pr_info("%pfwP: hart-index-bits: %d, guest-index-bits: %d\n",
--
2.39.5
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