Add explanatory comment for init flags
Signed-off-by: Paul Elliott <paul.elliott@arm.com>
diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 373918a..a0a002a 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -102,6 +102,7 @@
PSA_CRYPTO_SUBSYSTEM_TRANSACTION,
} mbedtls_psa_crypto_subsystem;
+/* Initialization flags for global_data::initialized */
#define PSA_CRYPTO_SUBSYSTEM_DRIVER_WRAPPERS_INITIALIZED 0x01
#define PSA_CRYPTO_SUBSYSTEM_KEY_SLOTS_INITIALIZED 0x02
#define PSA_CRYPTO_SUBSYSTEM_TRANSACTION_INITIALIZED 0x04