diff options
| -rw-r--r-- | drivers/rtc/rtc-stmp3xxx.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/rtc/rtc-stmp3xxx.c b/drivers/rtc/rtc-stmp3xxx.c index d578e40d5a50..b76318fd5bb0 100644 --- a/drivers/rtc/rtc-stmp3xxx.c +++ b/drivers/rtc/rtc-stmp3xxx.c @@ -288,10 +288,22 @@ static int stmp3xxx_rtc_probe(struct platform_device *pdev) platform_set_drvdata(pdev, rtc_data); - err = stmp_reset_block(rtc_data->io); - if (err) { - dev_err(&pdev->dev, "stmp_reset_block failed: %d\n", err); - return err; + /* + * Resetting the rtc stops the watchdog timer that is potentially + * running. So (assuming it is running on purpose) don't reset if the + * watchdog is enabled. + */ + if (readl(rtc_data->io + STMP3XXX_RTC_CTRL) & + STMP3XXX_RTC_CTRL_WATCHDOGEN) { + dev_info(&pdev->dev, + "Watchdog is running, skip resetting rtc\n"); + } else { + err = stmp_reset_block(rtc_data->io); + if (err) { + dev_err(&pdev->dev, "stmp_reset_block failed: %d\n", + err); + return err; + } } /* |