Hello Lee, Thanks a lot for your feedback. On 09/17/2014 06:23 PM, Lee Jones wrote: >> >> mutex_lock(&ec_dev->lock); >> ret = ec_dev->cmd_xfer(ec_dev, msg); >> + if (msg->result == EC_RES_IN_PROGRESS) { >> + int i; >> + struct cros_ec_command status_msg; >> + struct ec_response_get_comms_status status; >> + >> + status_msg.version = 0; >> + status_msg.command = EC_CMD_GET_COMMS_STATUS; >> + status_msg.outdata = NULL; >> + status_msg.outsize = 0; >> + status_msg.indata = (uint8_t *)&status; >> + status_msg.insize = sizeof(status); >> + >> + /* >> + * Query the EC's status until it's no longer busy or >> + * we encounter an error. >> + */ >> + for (i = 0; i < EC_COMMAND_RETRIES; i++) { >> + usleep_range(EC_RETRY_DELAY_MS, EC_RETRY_DELAY_MS + 1); > > Remove the EC_RETRY_DELAY_MS define and place the values in raw. > Ok, will do. > You're now sleeping for 10us. Did you test the changes? > Duh, I must had been sleepy since I thought about changing the define but I completely missed... which proves your point that raw values are more explicit than using a define here. Yes, I'm testing the changes and making sure that it does not add any regression but I was not able to reproduce the case when an EC command result is IN_PROGRESS. I'll investigate further on how to properly test that branch before posting v4. Best regards, Javier -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html