1 files changed, 6 insertions, 1 deletions

diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
index cd4adf52f174..e980e7aa2306 100644
--- a/arch/ia64/hp/common/sba_iommu.c
+++ b/arch/ia64/hp/common/sba_iommu.c
@@ -2015,9 +2015,14 @@ acpi_sba_ioc_add(struct acpi_device *device)
         return 0;
 }
 
+static const struct acpi_device_id hp_ioc_iommu_device_ids[] = {
+        {"HWP0001", 0},
+        {"HWP0004", 0},
+        {"", 0},
+};
 static struct acpi_driver acpi_sba_ioc_driver = {
         .name           = "IOC IOMMU Driver",
-        .ids            = "HWP0001,HWP0004",
+        .ids            = hp_ioc_iommu_device_ids,
         .ops            = {
                 .add    = acpi_sba_ioc_add,
         },