Chris, On Tue, Jan 13, 2015 at 6:43 PM, Chris Zhong <zyw at rock-chips.com> wrote: > + /* After we set the GET_TIME bit, the rtc time couldn't be read > + * immediately, we should wait up to 31.25 us, about one cycle of > + * 32khz. If we clear the GET_TIME bit here, the time of i2c transfer > + * certainly more than 31.25us. > + */ No idea what Andrew thinks of this, but other multiline comments in this file look slightly different (there's a line containing just /*). > ret = regmap_update_bits(rk808->regmap, RK808_RTC_CTRL_REG, > BIT_RTC_CTRL_REG_RTC_GET_TIME, > - BIT_RTC_CTRL_REG_RTC_GET_TIME); > + 0); > if (ret) { > dev_err(dev, "Failed to update bits rtc_ctrl: %d\n", ret); > return ret; Above is just a nit. I'll leave it up to Andrew to say whether he wants you to spin, or he'll fix it up, or he doesn't care and he'll land it as-is. Reviewed-by: Doug Anderson <dianders at chromium.org>