Clarify CCM/CM with partial accel
Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
diff --git a/docs/driver-only-builds.md b/docs/driver-only-builds.md
index f085471..1a60bfd 100644
--- a/docs/driver-only-builds.md
+++ b/docs/driver-only-builds.md
@@ -349,9 +349,11 @@
ECB mode (`PSA_WANT_ALG_ECB_NO_PADDING` + `MBEDTLS_PSA_ACCEL_ALG_ECB_NO_PADDING`)
together with desired key type(s) (`PSA_WANT_KEY_TYPE_[AES|ARIA|CAMELLIA]` +
`MBEDTLS_PSA_ACCEL_KEY_TYPE_[AES|ARIA|CAMELLIA]`).
+
In such configurations it is possible to:
- Use CCM and GCM via the PSA Crypto APIs.
-- Use CCM and GCM via legacy functions (`mbedtls_[ccm|gcm]_xxx()`).
+- Use CCM and GCM via legacy functions `mbedtls_[ccm|gcm]_xxx()` (but not the
+ legacy functions `mbedtls_cipher_xxx()`).
- Disable legacy key types (`MBEDTLS_[AES|ARIA|CAMELLIA]_C`) if there is no
other dependency requiring them.