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-rw-r--r--include/linux/irqdomain.h1
-rw-r--r--kernel/irq/msi.c7
2 files changed, 7 insertions, 1 deletions
diff --git a/include/linux/irqdomain.h b/include/linux/irqdomain.h
index b37350c4fe37..44445d9de881 100644
--- a/include/linux/irqdomain.h
+++ b/include/linux/irqdomain.h
@@ -84,6 +84,7 @@ enum irq_domain_bus_token {
DOMAIN_BUS_FSL_MC_MSI,
DOMAIN_BUS_TI_SCI_INTA_MSI,
DOMAIN_BUS_WAKEUP,
+ DOMAIN_BUS_VMD_MSI,
};
/**
diff --git a/kernel/irq/msi.c b/kernel/irq/msi.c
index 640668e3f870..616b9583cfbb 100644
--- a/kernel/irq/msi.c
+++ b/kernel/irq/msi.c
@@ -364,8 +364,13 @@ static bool msi_check_reservation_mode(struct irq_domain *domain,
{
struct msi_desc *desc;
- if (domain->bus_token != DOMAIN_BUS_PCI_MSI)
+ switch(domain->bus_token) {
+ case DOMAIN_BUS_PCI_MSI:
+ case DOMAIN_BUS_VMD_MSI:
+ break;
+ default:
return false;
+ }
if (!(info->flags & MSI_FLAG_MUST_REACTIVATE))
return false;