tpm: Implement tpm_auto_start() for TPMv1.2
Add an implementation of this, moving the common call to tpm_init() up
into the common API implementation.
Add a test.
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/include/tpm-common.h b/include/tpm-common.h
index b2c5404..1ba8138 100644
--- a/include/tpm-common.h
+++ b/include/tpm-common.h
@@ -94,7 +94,7 @@
* close().
*
* @dev: Device to open
- * @return 0 ok OK, -ve on error
+ * @return 0 ok OK, -EBUSY if already opened, other -ve on other error
*/
int (*open)(struct udevice *dev);