misc: atsha204a: add delay after sending the message

Once request is sent, and before receiving a response, the delay is required.
This patch fixes missing delay for before first response try.

Signed-off-by: Adrian Fiergolski <adrian.fiergolski@fastree3d.com>
Reviewed-by: Marek Behún <marek.behun@nic.cz>

diff --git a/drivers/misc/atsha204a-i2c.c b/drivers/misc/atsha204a-i2c.c
index 9d069fb33c92a803ae21b2148d686473b20384e4..d264477927d5a6151b8d9fb1cceedc836d9edda5 100644 (file)
--- a/drivers/misc/atsha204a-i2c.c
+++ b/drivers/misc/atsha204a-i2c.c
@@ -280,6 +280,7 @@ static int atsha204a_transaction(struct udevice *dev, struct atsha204a_req *req,
        }
 
        do {
+               udelay(ATSHA204A_EXECTIME);
                res = atsha204a_recv_resp(dev, resp);
                if (!res || res == -EMSGSIZE || res == -EBADMSG)
                        break;
@@ -287,7 +288,6 @@ static int atsha204a_transaction(struct udevice *dev, struct atsha204a_req *req,
                debug("ATSHA204A transaction polling for response "
                      "(timeout = %d)\n", timeout);
 
-               udelay(ATSHA204A_EXECTIME);
                timeout -= ATSHA204A_EXECTIME;
        } while (timeout > 0);