Re: [PATCH] RTC: Add mmap method to rtc character driver

[Edgar Toernig]

Bill Huey (hui) wrote:
>
> > Its always been the case.  Its hardware can only support one timer (or at least
> > one timer period), and as such multiple users would interefere with each other.
> 
> Well, this points out a serious problem with doing an mmap extension to
> /dev/rtc. It would be better to have a page mapped by another device like
> /dev/jiffy_counter, or something like that rather than to overload the
> /dev/rtc with that functionality.

You mean something like this, /dev/itimer?

    http://marc.theaimsgroup.com/?m=115412412427996

Ciao, ET.
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