[RFC PATCH V1 2/3] arm: Eliminate all TPM related code if CONFIG_TPM is not set

[Stefan Berger]

Cc: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Stefan Berger <stefanb@linux.ibm.com>
---
 hw/arm/sysbus-fdt.c      | 4 ++++
 hw/arm/virt-acpi-build.c | 4 ++++
 hw/arm/virt.c            | 2 ++
 3 files changed, 10 insertions(+)

diff --git a/hw/arm/sysbus-fdt.c b/hw/arm/sysbus-fdt.c
index 6b6906f4cf..48c5fe9bf1 100644
--- a/hw/arm/sysbus-fdt.c
+++ b/hw/arm/sysbus-fdt.c
@@ -437,6 +437,7 @@ static bool vfio_platform_match(SysBusDevice *sbdev,
 
 #endif /* CONFIG_LINUX */
 
+#ifdef CONFIG_TPM
 /*
  * add_tpm_tis_fdt_node: Create a DT node for TPM TIS
  *
@@ -467,6 +468,7 @@ static int add_tpm_tis_fdt_node(SysBusDevice *sbdev, void 
*opaque)
     g_free(nodename);
     return 0;
 }
+#endif
 
 static int no_fdt_node(SysBusDevice *sbdev, void *opaque)
 {
@@ -488,7 +490,9 @@ static const BindingEntry bindings[] = {
     TYPE_BINDING(TYPE_VFIO_AMD_XGBE, add_amd_xgbe_fdt_node),
     VFIO_PLATFORM_BINDING("amd,xgbe-seattle-v1a", add_amd_xgbe_fdt_node),
 #endif
+#ifdef CONFIG_TPM
     TYPE_BINDING(TYPE_TPM_TIS_SYSBUS, add_tpm_tis_fdt_node),
+#endif
     TYPE_BINDING(TYPE_RAMFB_DEVICE, no_fdt_node),
     TYPE_BINDING("", NULL), /* last element */
 };
diff --git a/hw/arm/virt-acpi-build.c b/hw/arm/virt-acpi-build.c
index 6b3c1fdb0a..f1024843dd 100644
--- a/hw/arm/virt-acpi-build.c
+++ b/hw/arm/virt-acpi-build.c
@@ -205,6 +205,7 @@ static void acpi_dsdt_add_gpio(Aml *scope, const 
MemMapEntry *gpio_memmap,
     aml_append(scope, dev);
 }
 
+#ifdef CONFIG_TPM
 static void acpi_dsdt_add_tpm(Aml *scope, VirtMachineState *vms)
 {
     PlatformBusDevice *pbus = PLATFORM_BUS_DEVICE(vms->platform_bus_dev);
@@ -236,6 +237,7 @@ static void acpi_dsdt_add_tpm(Aml *scope, VirtMachineState 
*vms)
     aml_append(dev, aml_name_decl("_CRS", crs));
     aml_append(scope, dev);
 }
+#endif
 
 static void
 build_iort(GArray *table_data, BIOSLinker *linker, VirtMachineState *vms)
@@ -642,7 +644,9 @@ build_dsdt(GArray *table_data, BIOSLinker *linker, 
VirtMachineState *vms)
     }
 
     acpi_dsdt_add_power_button(scope);
+#ifdef CONFIG_TPM
     acpi_dsdt_add_tpm(scope, vms);
+#endif
 
     aml_append(dsdt, scope);
 
diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index 840758666d..9122e22ee0 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -2599,7 +2599,9 @@ static void virt_machine_class_init(ObjectClass *oc, void 
*data)
     machine_class_allow_dynamic_sysbus_dev(mc, TYPE_VFIO_AMD_XGBE);
     machine_class_allow_dynamic_sysbus_dev(mc, TYPE_RAMFB_DEVICE);
     machine_class_allow_dynamic_sysbus_dev(mc, TYPE_VFIO_PLATFORM);
+#ifdef CONFIG_TPM
     machine_class_allow_dynamic_sysbus_dev(mc, TYPE_TPM_TIS_SYSBUS);
+#endif
     mc->block_default_type = IF_VIRTIO;
     mc->no_cdrom = 1;
     mc->pci_allow_0_address = true;
-- 
2.31.1