linux-kernel - Re: [PATCH 3/7] watchdog: watchdog_dev: Use generic msec-per-sec macro

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Date:   Thu, 9 Apr 2020 21:56:30 +0300
From:   Sergey Semin <Sergey.Semin@...kalelectronics.ru>
To:     Guenter Roeck <linux@...ck-us.net>
CC:     Wim Van Sebroeck <wim@...ux-watchdog.org>,
        Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>,
        Thomas Bogendoerfer <tsbogend@...ha.franken.de>,
        Paul Burton <paulburton@...nel.org>,
        Ralf Baechle <ralf@...ux-mips.org>,
        <linux-watchdog@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 3/7] watchdog: watchdog_dev: Use generic msec-per-sec
 macro

On Fri, Mar 06, 2020 at 07:20:29AM -0800, Guenter Roeck wrote:
> On 3/6/20 5:27 AM, Sergey.Semin@...kalelectronics.ru wrote:
> > From: Serge Semin <Sergey.Semin@...kalelectronics.ru>
> > 
> > For better readability replace the numeric literals with globally
> > available xSEC_PER_SEC macro.
> > 
> 
> This is really completely unrelated to the rest of the series,
> and I don't really see the point. I am fine with such changes if there
> are some context changes around it, but otherwise they add no value
> other than being a potential source of backport conflicts.

It's up to you, since you are the subsystem maintainer. I'll drop the patch
in v2.

-Sergey

> 
> Guenter
> 
> > Signed-off-by: Serge Semin <Sergey.Semin@...kalelectronics.ru>
> > Signed-off-by: Alexey Malahov <Alexey.Malahov@...kalelectronics.ru>
> > Cc: Thomas Bogendoerfer <tsbogend@...ha.franken.de>
> > Cc: Paul Burton <paulburton@...nel.org>
> > Cc: Ralf Baechle <ralf@...ux-mips.org>
> > ---
> >  drivers/watchdog/watchdog_dev.c | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> > 
> > diff --git a/drivers/watchdog/watchdog_dev.c b/drivers/watchdog/watchdog_dev.c
> > index 8b5c742f24e8..a1a3bbe21653 100644
> > --- a/drivers/watchdog/watchdog_dev.c
> > +++ b/drivers/watchdog/watchdog_dev.c
> > @@ -99,7 +99,7 @@ static inline bool watchdog_need_worker(struct watchdog_device *wdd)
> >  {
> >  	/* All variables in milli-seconds */
> >  	unsigned int hm = wdd->max_hw_heartbeat_ms;
> > -	unsigned int t = wdd->timeout * 1000;
> > +	unsigned int t = wdd->timeout * MSEC_PER_SEC;
> >  
> >  	/*
> >  	 * A worker to generate heartbeat requests is needed if all of the
> > @@ -121,7 +121,7 @@ static inline bool watchdog_need_worker(struct watchdog_device *wdd)
> >  static ktime_t watchdog_next_keepalive(struct watchdog_device *wdd)
> >  {
> >  	struct watchdog_core_data *wd_data = wdd->wd_data;
> > -	unsigned int timeout_ms = wdd->timeout * 1000;
> > +	unsigned int timeout_ms = wdd->timeout * MSEC_PER_SEC;
> >  	ktime_t keepalive_interval;
> >  	ktime_t last_heartbeat, latest_heartbeat;
> >  	ktime_t virt_timeout;
> > 
>