diff options
Diffstat (limited to 'drivers/rtc/rtc-snvs.c')
| -rw-r--r-- | drivers/rtc/rtc-snvs.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/rtc/rtc-snvs.c b/drivers/rtc/rtc-snvs.c index 71eee39520f0..ec777be0768f 100644 --- a/drivers/rtc/rtc-snvs.c +++ b/drivers/rtc/rtc-snvs.c @@ -1,5 +1,6 @@ /* - * Copyright (C) 2011-2012 Freescale Semiconductor, Inc. + * Copyright (C) 2011-2016 Freescale Semiconductor, Inc. + * Copyright 2017 NXP * * The code contained herein is licensed under the GNU General Public * License. You may obtain a copy of the GNU General Public License @@ -18,6 +19,7 @@ #include <linux/platform_device.h> #include <linux/rtc.h> #include <linux/clk.h> +#include <linux/delay.h> #include <linux/mfd/syscon.h> #include <linux/regmap.h> @@ -175,6 +177,8 @@ static int snvs_rtc_set_time(struct device *dev, struct rtc_time *tm) if (ret) return ret; + udelay(50); + /* Write 32-bit time to 47-bit timer, leaving 15 LSBs blank */ regmap_write(data->regmap, data->offset + SNVS_LPSRTCLR, time << CNTR_TO_SECS_SH); regmap_write(data->regmap, data->offset + SNVS_LPSRTCMR, time >> (32 - CNTR_TO_SECS_SH)); |