powercap: idle_inject: use us_to_ktime() where appropriate

Convert values in microseconds to ktime using us_to_ktime() instead of
multiplying them by NSEC_PER_USEC and using ns_to_ktime() for the
conversion.

Signed-off-by: Xichao Zhao <zhao.xichao@vivo.com>
Link: https://patch.msgid.link/20250813075433.464786-1-zhao.xichao@vivo.com
[ rjw: Subject and changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

diff --git a/drivers/powercap/idle_inject.c b/drivers/powercap/idle_inject.c
index 5ad7cc438068e547d7870defe4c5bbc10a3669f6..a25eb2018acdecb62a6622d79f3cbd0bd3d97d33 100644 (file)
--- a/drivers/powercap/idle_inject.c
+++ b/drivers/powercap/idle_inject.c
@@ -133,7 +133,7 @@ static enum hrtimer_restart idle_inject_timer_fn(struct hrtimer *timer)
        duration_us = READ_ONCE(ii_dev->run_duration_us);
        duration_us += READ_ONCE(ii_dev->idle_duration_us);
 
-       hrtimer_forward_now(timer, ns_to_ktime(duration_us * NSEC_PER_USEC));
+       hrtimer_forward_now(timer, us_to_ktime(duration_us));
 
        return HRTIMER_RESTART;
 }
@@ -232,8 +232,7 @@ int idle_inject_start(struct idle_inject_device *ii_dev)
        idle_inject_wakeup(ii_dev);
 
        hrtimer_start(&ii_dev->timer,
-                     ns_to_ktime((idle_duration_us + run_duration_us) *
-                                 NSEC_PER_USEC),
+                     us_to_ktime(idle_duration_us + run_duration_us),
                      HRTIMER_MODE_REL);
 
        return 0;