diff options
| -rw-r--r-- | drivers/platform/chrome/cros_ec_proto.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c index 01ab58b3269b..13ced9d2dd71 100644 --- a/drivers/platform/chrome/cros_ec_proto.c +++ b/drivers/platform/chrome/cros_ec_proto.c @@ -204,9 +204,12 @@ EXPORT_SYMBOL(cros_ec_prepare_tx); * @msg: Message to check. * * This is used by ChromeOS EC drivers to check the ec_msg->result for - * errors and to warn about them. + * EC_RES_IN_PROGRESS and to warn about them. * - * Return: 0 on success or negative error code. + * The function should not check for furthermore error codes. Otherwise, + * it would break the ABI. + * + * Return: -EAGAIN if ec_msg->result == EC_RES_IN_PROGRESS. Otherwise, 0. */ int cros_ec_check_result(struct cros_ec_device *ec_dev, struct cros_ec_command *msg) |