diff options
Diffstat (limited to 'drivers/watchdog')
| -rw-r--r-- | drivers/watchdog/im28wd.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/watchdog/im28wd.c b/drivers/watchdog/im28wd.c index 3e73ecd62e..a9093a7b51 100644 --- a/drivers/watchdog/im28wd.c +++ b/drivers/watchdog/im28wd.c @@ -176,6 +176,13 @@ static void __maybe_unused imx28_detect_reset_source(const struct imx28_wd *p) reset_source_set(RESET_RST); return; } + reg = readl(p->regs + MXS_RTC_PERSISTENT1); + if (reg & MXS_RTC_PERSISTENT1_FORCE_UPDATER) { + writel(MXS_RTC_PERSISTENT1_FORCE_UPDATER, + p->regs + MXS_RTC_PERSISTENT1 + MXS_RTC_CLR_ADDR); + reset_source_set(RESET_WDG); + return; + } reset_source_set(RESET_RST); } |