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SubjectRe: [PATCH v1 00/25] lib, rtc: Print rtc_time via %pt[dt][rv]
On Tue, 2017-07-18 at 10:50 -0700, Joe Perches wrote:
> On Thu, 2017-06-08 at 16:47 +0300, Andy Shevchenko wrote:
> > Recently I have noticed too many users of struct rtc_time that
> > printing
> > its content field by field.
> >
> > In this series I introduce %pt[dt][rv] specifier to make life a bit
> > easier.
> Hey Andy.
> I just saw a patch with a printk for rtc time from Mark Salyzyn.


> Any idea if you want to push this extension?

Yes, just really lack of time for everything.

I like the idea to make it conditional (config BLABLABLA). It will
address some comments about footprint for no users.

> I like the concept and still think it could be extended a bit more.
> from:
> My preference would be for %pt[type]<output style>
> where <type> is mandatory and could be:
>         r for struct rtc_time
>         6 for time64_t
>         k for ktime_t
>         T for struct timespec64
>         etc

I dunno about this.

However, I like this more than do conversion in each case where input
reference has different type.

> and <output style> has an unspecified default of
> YYYY-MM-DD:hh:mm:ss

I'm against this, sorry. Too many variations for almost no use (users).

> Perhaps use the "date" formats without the leading
> % uses for <output style> for additional styles.

Andy Shevchenko <>
Intel Finland Oy

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