Merge tag 'irq-urgent-2023-03-05' of git://git.kernel.org/pub/scm/linux/kernel/git...

[platform/kernel/linux-rpi.git] / kernel / irq / irqdomain.c

diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index 6522dfb..f34760a 100644 (file)
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -470,31 +470,6 @@ struct irq_domain *irq_find_matching_fwspec(struct irq_fwspec *fwspec,
 EXPORT_SYMBOL_GPL(irq_find_matching_fwspec);
 
 /**
- * irq_domain_check_msi_remap - Check whether all MSI irq domains implement
- * IRQ remapping
- *
- * Return: false if any MSI irq domain does not support IRQ remapping,
- * true otherwise (including if there is no MSI irq domain)
- */
-bool irq_domain_check_msi_remap(void)
-{
-       struct irq_domain *h;
-       bool ret = true;
-
-       mutex_lock(&irq_domain_mutex);
-       list_for_each_entry(h, &irq_domain_list, link) {
-               if (irq_domain_is_msi(h) &&
-                   !irq_domain_hierarchical_is_msi_remap(h)) {
-                       ret = false;
-                       break;
-               }
-       }
-       mutex_unlock(&irq_domain_mutex);
-       return ret;
-}
-EXPORT_SYMBOL_GPL(irq_domain_check_msi_remap);
-
-/**
  * irq_set_default_host() - Set a "default" irq domain
  * @domain: default domain pointer
  *
@@ -1891,20 +1866,6 @@ static void irq_domain_check_hierarchy(struct irq_domain *domain)
        if (domain->ops->alloc)
                domain->flags |= IRQ_DOMAIN_FLAG_HIERARCHY;
 }
-
-/**
- * irq_domain_hierarchical_is_msi_remap - Check if the domain or any
- * parent has MSI remapping support
- * @domain: domain pointer
- */
-bool irq_domain_hierarchical_is_msi_remap(struct irq_domain *domain)
-{
-       for (; domain; domain = domain->parent) {
-               if (irq_domain_is_msi_remap(domain))
-                       return true;
-       }
-       return false;
-}
 #else  /* CONFIG_IRQ_DOMAIN_HIERARCHY */
 /**
  * irq_domain_get_irq_data - Get irq_data associated with @virq and @domain