[Qemu-devel] [PATCH 24/51] tpm: express dependencies with Kconfig

[Paolo Bonzini]

This automatically removes the SCSI subsystem from the
binary altogether if no controllers are selected.

Signed-off-by: Paolo Bonzini <address@hidden>
Signed-off-by: Yang Zhong <address@hidden>
Message-Id: <address@hidden>
Signed-off-by: Paolo Bonzini <address@hidden>
---
 hw/i386/Kconfig |  1 +
 hw/tpm/Kconfig  | 12 ++++++++++--
 2 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/hw/i386/Kconfig b/hw/i386/Kconfig
index 2da10af..73d33e9 100644
--- a/hw/i386/Kconfig
+++ b/hw/i386/Kconfig
@@ -7,6 +7,7 @@ config PC
     imply HYPERV
     imply QXL
     imply SEV
+    imply TPM_CRB
     imply TPM_TIS
     select I8259
     select I8254
diff --git a/hw/tpm/Kconfig b/hw/tpm/Kconfig
index b0c2c05..6fc6a2c 100644
--- a/hw/tpm/Kconfig
+++ b/hw/tpm/Kconfig
@@ -1,17 +1,25 @@
 config TPM
     bool
 
+config TPMDEV
+    bool
+
 config TPM_TIS
     bool
     depends on TPM && ISA_BUS
+    select TPMDEV
 
 config TPM_CRB
     bool
-    default y
-    depends on TPM && PC
+    depends on TPM
+    select TPMDEV
 
 config TPM_PASSTHROUGH
     bool
+    default y
+    depends on TPMDEV
 
 config TPM_EMULATOR
     bool
+    default y
+    depends on TPMDEV
-- 
1.8.3.1