tpm: add a helper to iterate on all tpm devices
This add a helper for_each_tpm_device that run
through all the tpm (1.x and 2.0) devices.
Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
diff --git a/include/tpm-common.h b/include/tpm-common.h
index f9c2ca2..702cd6e 100644
--- a/include/tpm-common.h
+++ b/include/tpm-common.h
@@ -293,4 +293,7 @@
*/
enum tpm_version tpm_get_version(struct udevice *dev);
+/* Iterate on all TPM devices */
+#define for_each_tpm_device(dev) uclass_foreach_dev_probe(UCLASS_TPM, (dev))
+
#endif /* __TPM_COMMON_H */