Re: [PATCH] [v2] leds: ledtrig-activity: use ktime_get_boot_ns()

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Hi Arnd,

Thank you for the update.

On 06/19/2018 10:18 AM, Arnd Bergmann wrote:
get_monotonic_boottime() is deprecated, so let's convert this to
the simpler ktime_get_boot_ns().

Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx>
---
v2: don't drop 'cpus' multiplication, as Pavel and Willy point out
     that needs to be kept
---
  drivers/leds/trigger/ledtrig-activity.c | 5 +----
  1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/leds/trigger/ledtrig-activity.c b/drivers/leds/trigger/ledtrig-activity.c
index 5081894082bd..6c6f8a9b8d9a 100644
--- a/drivers/leds/trigger/ledtrig-activity.c
+++ b/drivers/leds/trigger/ledtrig-activity.c
@@ -37,7 +37,6 @@ static void led_activity_function(struct timer_list *t)
  	struct activity_data *activity_data = from_timer(activity_data, t,
  							 timer);
  	struct led_classdev *led_cdev = activity_data->led_cdev;
-	struct timespec boot_time;
  	unsigned int target;
  	unsigned int usage;
  	int delay;
@@ -57,8 +56,6 @@ static void led_activity_function(struct timer_list *t)
  		return;
  	}
- get_monotonic_boottime(&boot_time);
-
  	cpus = 0;
  	curr_used = 0;
@@ -76,7 +73,7 @@ static void led_activity_function(struct timer_list *t)
  	 * down to 16us, ensuring we won't overflow 32-bit computations below
  	 * even up to 3k CPUs, while keeping divides cheap on smaller systems.
  	 */
-	curr_boot = timespec_to_ns(&boot_time) * cpus;
+	curr_boot = ktime_get_boot_ns() * cpus;
  	diff_boot = (curr_boot - activity_data->last_boot) >> 16;
  	diff_used = (curr_used - activity_data->last_used) >> 16;
  	activity_data->last_boot = curr_boot;


Applied.

--
Best regards,
Jacek Anaszewski



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