From: Marc Zyngier <maz@kernel.org>
Date: Tue, 13 May 2025 16:31:43 +0000 (+0100)
Subject: genirq/msi: Engage the .msi_teardown() callback on domain removal
X-Git-Tag: io_uring-6.16-20250606~7^2~11
X-Git-Url: https://git.kernel.dk/?a=commitdiff_plain;h=03c298760ed97c5981402d64c4eed9bc4f2f0a4e;p=linux-block.git

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
---

diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index 1098f2698547..b5559fa609eb 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -1096,6 +1096,9 @@ 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);