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 --- drivers/misc/atsha204a-i2c.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/misc/atsha204a-i2c.c b/drivers/misc/atsha204a-i2c.c index 9d069fb33c..d264477927 100644 --- 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);