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[6/7] crypto: sun8i-ss: Add more comment on some structures

Message ID 1585943438-862-7-git-send-email-clabbe@baylibre.com
State New
Headers show
Series crypto: sun8i-ss: support PRNG and hashes | expand

Commit Message

Corentin Labbe April 3, 2020, 7:50 p.m. UTC 
This patch adds some comment on structures used by sun8i-ss.

Signed-off-by: Corentin Labbe <clabbe@baylibre.com>
---
 drivers/crypto/allwinner/sun8i-ss/sun8i-ss.h | 4 ++++
 1 file changed, 4 insertions(+)
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Patch

diff --git a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss.h b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss.h
index 056fcdd14201..b2668e5b612f 100644
--- a/drivers/crypto/allwinner/sun8i-ss/sun8i-ss.h
+++ b/drivers/crypto/allwinner/sun8i-ss/sun8i-ss.h
@@ -171,6 +171,8 @@  struct sun8i_ss_dev {
  * @ivlen:	size of biv
  * @keylen:	keylen for this request
  * @biv:	buffer which contain the IV
+ *
+ * t_src, t_dst, p_key, p_iv op_mode, op_dir and method must be in LE32
  */
 struct sun8i_cipher_req_ctx {
 	struct sginfo t_src[MAX_SG];
@@ -193,6 +195,8 @@  struct sun8i_cipher_req_ctx {
  * @keylen:		len of the key
  * @ss:			pointer to the private data of driver handling this TFM
  * @fallback_tfm:	pointer to the fallback TFM
+ *
+ * enginectx must be the first element
  */
 struct sun8i_cipher_tfm_ctx {
 	struct crypto_engine_ctx enginectx;