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author | Manuel Schölling <manuel.schoelling@gmx.de> | 2014-05-22 20:56:36 (GMT) |
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committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2014-05-26 23:38:23 (GMT) |
commit | 4ff248f3bf830ba22c988abb099e1836fbd3b1d0 (patch) | |
tree | 93c150501e425e72b8bdb815828a1d4325b75fa2 | |
parent | 5b59c69ec54849f23b51d18b0a609c4f793bc35a (diff) | |
download | linux-4ff248f3bf830ba22c988abb099e1836fbd3b1d0.tar.xz |
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>
-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 e20708f..f148a05 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; } |