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@xxxxxx>
---
drivers/acpi/acpi_pad.c | 7 ++++---
1 file changed, 4 insertions(+), 3 deletions(-)
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index 37d7302..0a3bbf5 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;
}
--
1.7.10.4
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