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| author | Olof Johansson <olof@lixom.net> | 2014-07-22 09:17:18 -0700 |
|---|---|---|
| committer | Olof Johansson <olof@lixom.net> | 2014-07-22 09:17:18 -0700 |
| commit | e9a86d96be0dff611156ea89fbb6eb91478bddab (patch) | |
| tree | ad38c21c76e1c275264cb20482a7f2bdd54618ba /kernel/time/alarmtimer.c | |
| parent | fc3791f3a95df5b76ecbda6952c13ff67251fd10 (diff) | |
| parent | ad8adbf2c7d6269d0100f7f460f4837ece060977 (diff) | |
Merge tag 'sti-defconfig-for-v3.17-1' of git://git.stlinux.com/devel/kernel/linux-sti into next/defconfig
Merge "ARM: STi: defconfig changes for v3.17" from Maxime Coquelin:
STi defconfig updates for v3.17
- Enable ST's Thermal controller driver
- Enable ST's Keyscan driver
- Enable ST's MiPHY365 Phy driver for STiH416 SATA & PCIe
- Enable ST's AHCI driver.
* tag 'sti-defconfig-for-v3.17-1' of git://git.stlinux.com/devel/kernel/linux-sti:
ARM: multi_v7_defconfig: Enable MiPHY365x - ST's Generic (SATA & PCIe) PHY
ARM: multi_v7_defconfig: Enable ST's (S)ATA driver
ARM: multi_v7_defconfig: add ST Keyscan driver
ARM: update multi_v7_defconfig for STI
ARM: multi_v7_defconfig: Configure in ST's Thermal Controller
+ Linux 3.16-rc6
Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'kernel/time/alarmtimer.c')
| -rw-r--r-- | kernel/time/alarmtimer.c | 20 |
1 files changed, 18 insertions, 2 deletions
diff --git a/kernel/time/alarmtimer.c b/kernel/time/alarmtimer.c index 88c9c65a430d..fe75444ae7ec 100644 --- a/kernel/time/alarmtimer.c +++ b/kernel/time/alarmtimer.c @@ -585,9 +585,14 @@ static int alarm_timer_set(struct k_itimer *timr, int flags, struct itimerspec *new_setting, struct itimerspec *old_setting) { + ktime_t exp; + if (!rtcdev) return -ENOTSUPP; + if (flags & ~TIMER_ABSTIME) + return -EINVAL; + if (old_setting) alarm_timer_get(timr, old_setting); @@ -597,8 +602,16 @@ static int alarm_timer_set(struct k_itimer *timr, int flags, /* start the timer */ timr->it.alarm.interval = timespec_to_ktime(new_setting->it_interval); - alarm_start(&timr->it.alarm.alarmtimer, - timespec_to_ktime(new_setting->it_value)); + exp = timespec_to_ktime(new_setting->it_value); + /* Convert (if necessary) to absolute time */ + if (flags != TIMER_ABSTIME) { + ktime_t now; + + now = alarm_bases[timr->it.alarm.alarmtimer.type].gettime(); + exp = ktime_add(now, exp); + } + + alarm_start(&timr->it.alarm.alarmtimer, exp); return 0; } @@ -730,6 +743,9 @@ static int alarm_timer_nsleep(const clockid_t which_clock, int flags, if (!alarmtimer_get_rtcdev()) return -ENOTSUPP; + if (flags & ~TIMER_ABSTIME) + return -EINVAL; + if (!capable(CAP_WAKE_ALARM)) return -EPERM; |