[PATCH 1/2] crypto: atmel-i2c - improve comment in atmel_i2c_init_ecdh_cmd

[Thorsten Blum]

Clarify that a P-256 public key is encoded as two 32-byte coordinates.

Signed-off-by: Thorsten Blum <thorsten.blum@xxxxxxxxx>
---
 drivers/crypto/atmel-i2c.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/crypto/atmel-i2c.c b/drivers/crypto/atmel-i2c.c
index ff19857894d0..24bded47a32b 100644
--- a/drivers/crypto/atmel-i2c.c
+++ b/drivers/crypto/atmel-i2c.c
@@ -138,9 +138,8 @@ int atmel_i2c_init_ecdh_cmd(struct atmel_i2c_cmd *cmd,
 	cmd->param2 = cpu_to_le16(DATA_SLOT_2);
 
 	/*
-	 * The device only supports NIST P256 ECC keys. The public key size will
-	 * always be the same. Use a macro for the key size to avoid unnecessary
-	 * computations.
+	 * The device only supports P-256. Its public key is encoded as
+	 * two 32-byte coordinates.
 	 */
 	copied = sg_copy_to_buffer(pubkey,
 				   sg_nents_for_len(pubkey,