genirq/msi: Engage the .msi_teardown() callback on domain removal

JIRA: https://issues.redhat.com/browse/RHEL-120705
Upstream Status: 03c2987

commit 03c2987
Author: Marc Zyngier <maz@kernel.org>
Date:   Tue May 13 17:31:43 2025 +0100

    genirq/msi: Engage the .msi_teardown() callback on domain removal

    Kindly inform the MSI driver that the domain is torn down, providing the
    allocation context previously populated on domain creation.

    Signed-off-by: Marc Zyngier <maz@kernel.org>
    Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
    Link: https://lore.kernel.org/all/20250513163144.2215824-5-maz@kernel.org

Signed-off-by: Myron Stowe <mstowe@redhat.com>

Author: Myron Stowe

kernel/irq/msi.c

@@ -1077,6 +1077,9 @@ void msi_remove_device_irq_domain(struct device *dev, unsigned int domid)
 
 	dev->msi.data->__domains[domid].domain = NULL;
 	info = domain->host_data;
+
+	info->ops->msi_teardown(domain, info->alloc_data);
+
 	if (irq_domain_is_msi_device(domain))
 		fwnode = domain->fwnode;
 	irq_domain_remove(domain);