[PATCH 04/10] tpm: Move the TPM version detection functions to the uclass driver

[Sughosh Ganu]

Make the TPM version detection functions as external symbols and move
them to the TPM uclass driver. These are useful functions to check the
TPM device version and should not be static functions.

Signed-off-by: Sughosh Ganu <sughosh.ganu at linaro.org>
---
 drivers/tpm/tpm-uclass.c | 11 +++++++++++
 include/tpm_api.h        | 20 ++++++++++++++++++++
 lib/tpm_api.c            | 10 ----------
 3 files changed, 31 insertions(+), 10 deletions(-)

diff --git a/drivers/tpm/tpm-uclass.c b/drivers/tpm/tpm-uclass.c
index f67fe1019b..8619da89d8 100644
--- a/drivers/tpm/tpm-uclass.c
+++ b/drivers/tpm/tpm-uclass.c
@@ -11,10 +11,21 @@
 #include <log.h>
 #include <linux/delay.h>
 #include <linux/unaligned/be_byteshift.h>
+#include <tpm_api.h>
 #include <tpm-v1.h>
 #include <tpm-v2.h>
 #include "tpm_internal.h"
 
+bool is_tpm1(struct udevice *dev)
+{
+	return IS_ENABLED(CONFIG_TPM_V1) && tpm_get_version(dev) == TPM_V1;
+}
+
+bool is_tpm2(struct udevice *dev)
+{
+	return IS_ENABLED(CONFIG_TPM_V2) && tpm_get_version(dev) == TPM_V2;
+}
+
 int tpm_open(struct udevice *dev)
 {
 	struct tpm_ops *ops = tpm_get_ops(dev);
diff --git a/include/tpm_api.h b/include/tpm_api.h
index fb6ee14e23..c19639a688 100644
--- a/include/tpm_api.h
+++ b/include/tpm_api.h
@@ -11,6 +11,26 @@
 #include <tpm-v1.h>
 #include <tpm-v2.h>
 
+/**
+ * is_tpm1() - Check if it is a tpmv1 device
+ * @param dev		TPM device
+ *
+ * Check if the TPM device is a TPMv1 device
+ *
+ * Return: 1 if TPMv1, 0 otherwise
+ */
+bool is_tpm1(struct udevice *dev);
+
+/**
+ * is_tpm2() - Check if it is a tpmv2 device
+ * @param dev		TPM device
+ *
+ * Check if the TPM device is a TPMv2 device
+ *
+ * Return: 1 if TPMv2, 0 otherwise
+ */
+bool is_tpm2(struct udevice *dev);
+
 /**
  * Issue a TPM_Startup command.
  *
diff --git a/lib/tpm_api.c b/lib/tpm_api.c
index b762202866..9dd9606fa8 100644
--- a/lib/tpm_api.c
+++ b/lib/tpm_api.c
@@ -11,16 +11,6 @@
 #include <tpm-v2.h>
 #include <tpm_api.h>
 
-static bool is_tpm1(struct udevice *dev)
-{
-	return IS_ENABLED(CONFIG_TPM_V1) && tpm_get_version(dev) == TPM_V1;
-}
-
-static bool is_tpm2(struct udevice *dev)
-{
-	return IS_ENABLED(CONFIG_TPM_V2) && tpm_get_version(dev) == TPM_V2;
-}
-
 int tpm_startup(struct udevice *dev, enum tpm_startup_type mode)
 {
 	if (is_tpm1(dev)) {
-- 
2.17.1