diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 975d80bda2c3f0764853f8853b17c05be2068938..9709476fead598e6bdf2542c254625be34248cae 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -303,6 +303,7 @@ static void acpi_bus_osc_support(void)
 
 	capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_HOTPLUG_OST_SUPPORT;
 	capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PCLPI_SUPPORT;
+	capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT;
 	if (IS_ENABLED(CONFIG_ACPI_PRMT))
 		capbuf[OSC_SUPPORT_DWORD] |= OSC_SB_PRM_SUPPORT;
 
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index f21d13657d7d181dcd787a3d30ec4d2ebfa30b57..6289142eeb265a5c329b60dce1807e5a986050d3 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -552,7 +552,8 @@ acpi_status acpi_run_osc(acpi_handle handle, struct acpi_osc_context *context);
 #define OSC_SB_PCLPI_SUPPORT			0x00000080
 #define OSC_SB_OSLPI_SUPPORT			0x00000100
 #define OSC_SB_CPC_DIVERSE_HIGH_SUPPORT		0x00001000
-#define OSC_SB_GENERIC_INITIATOR_SUPPORT	0x00002000
+#define OSC_SB_IRQ_RESOURCE_SOURCE_SUPPORT	0x00002000
+#define OSC_SB_GENERIC_INITIATOR_SUPPORT	0x00020000
 #define OSC_SB_PRM_SUPPORT			0x00200000
 
 extern bool osc_sb_apei_support_acked;