diff options
| author | Manuel Schölling <manuel.schoelling@gmx.de> | 2014-05-22 22:56:36 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-05-27 01:38:23 +0200 |
| commit | 4ff248f3bf830ba22c988abb099e1836fbd3b1d0 (patch) | |
| tree | 93c150501e425e72b8bdb815828a1d4325b75fa2 /drivers/acpi/acpi_pad.c | |
| parent | ACPI / PAD: call schedule() when need_resched() is true (diff) | |
| download | linux-4ff248f3bf830ba22c988abb099e1836fbd3b1d0.tar.xz linux-4ff248f3bf830ba22c988abb099e1836fbd3b1d0.zip | |
ACPI / PAD: Use time_before() for time comparison
To be future-proof and for better readability the time comparisons are
modified to use time_before() instead of plain, error-prone math.
Signed-off-by: Manuel Schölling <manuel.schoelling@gmx.de>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/acpi_pad.c')
| -rw-r--r-- | drivers/acpi/acpi_pad.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c index e20708f2b8e5..f148a0580e04 100644 --- a/drivers/acpi/acpi_pad.c +++ b/drivers/acpi/acpi_pad.c @@ -156,12 +156,13 @@ static int power_saving_thread(void *data) while (!kthread_should_stop()) { int cpu; - u64 expire_time; + unsigned long expire_time; try_to_freeze(); /* round robin to cpus */ - if (last_jiffies + round_robin_time * HZ < jiffies) { + expire_time = last_jiffies + round_robin_time * HZ; + if (time_before(expire_time, jiffies)) { last_jiffies = jiffies; round_robin_cpu(tsk_index); } @@ -200,7 +201,7 @@ static int power_saving_thread(void *data) CLOCK_EVT_NOTIFY_BROADCAST_EXIT, &cpu); local_irq_enable(); - if (jiffies > expire_time) { + if (time_before(expire_time, jiffies)) { do_sleep = 1; break; } |