rtc: zynqmp: re-use rtc_time64_to_tm operation

This allows a subsequent commit to spin_unlock sooner.

Signed-off-by: Jean-Francois Dagenais <jeff.dagenais@gmail.com>
Reviewed-by: Michal Simek <michal.simek@xilinx.com>
Link: https://lore.kernel.org/r/20191128015613.10003-1-jeff.dagenais@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

diff --git a/drivers/rtc/rtc-zynqmp.c b/drivers/rtc/rtc-zynqmp.c
index 5396905..5786866 100644 (file)
--- a/drivers/rtc/rtc-zynqmp.c
+++ b/drivers/rtc/rtc-zynqmp.c
@@ -94,7 +94,7 @@ static int xlnx_rtc_read_time(struct device *dev, struct rtc_time *tm)
                 * RTC has updated the CURRENT_TIME with the time written into
                 * SET_TIME_WRITE register.
                 */
-               rtc_time64_to_tm(readl(xrtcdev->reg_base + RTC_CUR_TM), tm);
+               read_time = readl(xrtcdev->reg_base + RTC_CUR_TM);
        } else {
                /*
                 * Time written in SET_TIME_WRITE has not yet updated into
@@ -104,8 +104,8 @@ static int xlnx_rtc_read_time(struct device *dev, struct rtc_time *tm)
                 * reading.
                 */
                read_time = readl(xrtcdev->reg_base + RTC_SET_TM_RD) - 1;
-               rtc_time64_to_tm(read_time, tm);
        }
+       rtc_time64_to_tm(read_time, tm);
 
        return 0;
 }