Rewrite the function atmel_ecc_init_read_cmd() into a more
general atmel_ecc_init_read_config_word() function to read
any word from the configuration zone, and use this
parameterized with what we want to read out.
Signed-off-by: Linus Walleij <linus.walleij@xxxxxxxxxx>
---
drivers/crypto/atmel-ecc.c | 11 ++++-------
1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/drivers/crypto/atmel-ecc.c b/drivers/crypto/atmel-ecc.c
index f1f422385a91..d89b69d228ac 100644
--- a/drivers/crypto/atmel-ecc.c
+++ b/drivers/crypto/atmel-ecc.c
@@ -136,16 +136,13 @@ static void atmel_ecc_checksum(struct atmel_ecc_cmd *cmd)
*crc16 = atmel_ecc_crc16(0, data, len);
}
-static void atmel_ecc_init_read_cmd(struct atmel_ecc_cmd *cmd)
+static void atmel_ecc_init_read_config_word(struct atmel_ecc_cmd *cmd,
+ u16 config_word)
{
cmd->word_addr = COMMAND;
cmd->opcode = OPCODE_READ;
- /*
- * Read the word from Configuration zone that contains the lock bytes
- * (UserExtra, Selector, LockValue, LockConfig).
- */
cmd->param1 = CONFIG_ZONE;
- cmd->param2 = CONFIG_ZONE_FOOTER;
+ cmd->param2 = config_word;
cmd->count = READ_COUNT;
atmel_ecc_checksum(cmd);
@@ -633,7 +630,7 @@ static int device_sanity_check(struct i2c_client *client)
if (!cmd)
return -ENOMEM;
- atmel_ecc_init_read_cmd(cmd);
+ atmel_ecc_init_read_config_word(cmd, CONFIG_ZONE_FOOTER);
ret = atmel_ecc_send_receive(client, cmd);
if (ret) {
--
2.17.0
