From: Pavel Machek <pavel@ucw.cz>
To: Arnd Bergmann <arnd@arndb.de>
Cc: Jacek Anaszewski <jacek.anaszewski@gmail.com>,
y2038 Mailman List <y2038@lists.linaro.org>,
Kees Cook <keescook@chromium.org>, Willy Tarreau <w@1wt.eu>,
linux-leds@vger.kernel.org,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH] leds: ledtrig-activity: use ktime_get_boot_ns()
Date: Mon, 18 Jun 2018 17:55:57 +0200 [thread overview]
Message-ID: <20180618155557.GB30470@amd> (raw)
In-Reply-To: <CAK8P3a1K19WoEGaqrj6Fx0GYyj1jmA50dS+dMJuF7ugkwjCiug@mail.gmail.com>
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> >> index 5081894082bd..589c1bc4d0b9 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;
> >> @@ -57,7 +56,7 @@ static void led_activity_function(struct timer_list *t)
> >> return;
> >> }
> >>
> >> - get_monotonic_boottime(&boot_time);
> >> + curr_boot = ktime_get_boot_ns();
> >>
> >> cpus = 0;
> >> curr_used = 0;
> >> @@ -76,7 +75,6 @@ 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;
> >
> > Original code is pretty weird (notice the * cpus), so I'm
> > double-checking.
>
> Ok, dropping the *cpus was not intentional, I'll repost a version that puts
> it that back. Thanks for pointing this out!
Feel free to add my Acked-by to fixed version.
Thanks,
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2018-06-18 15:55 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-18 14:41 [PATCH] leds: ledtrig-activity: use ktime_get_boot_ns() Arnd Bergmann
2018-06-18 15:07 ` Pavel Machek
2018-06-18 15:47 ` Arnd Bergmann
2018-06-18 15:55 ` Pavel Machek [this message]
2018-06-18 18:29 ` Willy Tarreau
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