diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/rtc/interface.c | 5 | ||||
| -rw-r--r-- | drivers/rtc/rtc-mpc5121.c | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c index dc87eda65814..eb415bd76494 100644 --- a/drivers/rtc/interface.c +++ b/drivers/rtc/interface.c @@ -458,6 +458,11 @@ int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled) if (rtc->uie_rtctimer.enabled == enabled) goto out; + if (rtc->uie_unsupported) { + err = -EINVAL; + goto out; + } + if (enabled) { struct rtc_time tm; ktime_t now, onesec; diff --git a/drivers/rtc/rtc-mpc5121.c b/drivers/rtc/rtc-mpc5121.c index 9d3caccfc250..613447abdbe5 100644 --- a/drivers/rtc/rtc-mpc5121.c +++ b/drivers/rtc/rtc-mpc5121.c @@ -360,6 +360,8 @@ static int __devinit mpc5121_rtc_probe(struct platform_device *op) &mpc5200_rtc_ops, THIS_MODULE); } + rtc->rtc->uie_unsupported = 1; + if (IS_ERR(rtc->rtc)) { err = PTR_ERR(rtc->rtc); goto out_free_irq; |