From 7f95d2b68b9a4f6624438f2d7dbad01c157b92a6 Mon Sep 17 00:00:00 2001 From: Tzung-Bi Shih Date: Mon, 18 Jul 2022 05:09:12 +0000 Subject: [PATCH] platform/chrome: cros_ec_proto: return -EAGAIN when retries timed out While EC_COMMS_STATUS_PROCESSING flag is still on after it tries EC_COMMAND_RETRIES times for sending EC_CMD_GET_COMMS_STATUS, cros_ec_wait_until_complete() doesn't return an error code. Return -EAGAIN in the case instead. Signed-off-by: Tzung-Bi Shih Reviewed-by: Guenter Roeck Link: https://lore.kernel.org/r/20220718050914.2267370-9-tzungbi@kernel.org --- drivers/platform/chrome/cros_ec_proto.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c index a6ad7f7956e6..9dec475edc84 100644 --- a/drivers/platform/chrome/cros_ec_proto.c +++ b/drivers/platform/chrome/cros_ec_proto.c @@ -167,6 +167,9 @@ static int cros_ec_wait_until_complete(struct cros_ec_device *ec_dev, uint32_t * return ret; } + if (i >= EC_COMMAND_RETRIES) + ret = -EAGAIN; + return ret; } -- 2.51.0