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irqdomain: um: use irq_domain_create_linear() helper

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um_pci_init() open-codes what the irq_domain_create_linear() helper
does already. Use the helper instead of open-coding it.

This needs retval checking modification.

Signed-off-by: Jiri Slaby (SUSE) <jirislaby@kernel.org>
Cc: Richard Weinberger <richard@nod.at>
Cc: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: linux-um@lists.infradead.org
Link: https://patch.msgid.link/20250415104713.106819-1-jirislaby@kernel.org
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Jiri Slaby (SUSE)
2025-04-15 12:47:13 +02:00
committed by Johannes Berg
parent a0e2cb6a90
commit 7633b8b1e7
1 changed files with 5 additions and 10 deletions
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arch/um/drivers/virt-pci.c
+5 -10
View File
@@ -538,11 +538,6 @@ void um_pci_platform_device_unregister(struct um_pci_device *dev)
static int __init um_pci_init(void) static int __init um_pci_init(void)
{ {
struct irq_domain_info inner_domain_info = {
.size = MAX_MSI_VECTORS,
.hwirq_max = MAX_MSI_VECTORS,
.ops = &um_pci_inner_domain_ops,
};
int err, i; int err, i;
WARN_ON(logic_iomem_add_region(&virt_cfgspace_resource, WARN_ON(logic_iomem_add_region(&virt_cfgspace_resource,
@@ -564,10 +559,10 @@ static int __init um_pci_init(void)
goto free; goto free;
} }
inner_domain_info.fwnode = um_pci_fwnode; um_pci_inner_domain = irq_domain_create_linear(um_pci_fwnode, MAX_MSI_VECTORS,
um_pci_inner_domain = irq_domain_instantiate(&inner_domain_info); &um_pci_inner_domain_ops, NULL);
if (IS_ERR(um_pci_inner_domain)) { if (!um_pci_inner_domain) {
err = PTR_ERR(um_pci_inner_domain); err = -ENOMEM;
goto free; goto free;
} }
@@ -602,7 +597,7 @@ static int __init um_pci_init(void)
return 0; return 0;
free: free:
if (!IS_ERR_OR_NULL(um_pci_inner_domain)) if (um_pci_inner_domain)
irq_domain_remove(um_pci_inner_domain); irq_domain_remove(um_pci_inner_domain);
if (um_pci_fwnode) if (um_pci_fwnode)
irq_domain_free_fwnode(um_pci_fwnode); irq_domain_free_fwnode(um_pci_fwnode);