Re: [PATCH] time: Revert ALWAYS_USE_PERSISTENT_CLOCK compile time optimizaitons

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Wed, Apr 24, 2013 at 8:55 PM, John Stultz <john.stultz@xxxxxxxxxx> wrote:

>> FWIW, in the light of the original change, I've just removed the
>> /dev/rtc creation from the default udev rules now, so that thing will
>> be phased out in the future.
>
> Is that actually wanted? What happens to applications that use /dev/rtc?
>
> I think setting up the /dev/rtc link is important. Its just that setting it
> up exclusively by the hctosys flag is maybe more fragile then we'd like.
> Instead the hctosys flag maybe should only be used as a hint if there is
> more then one RTC available.

Ok, convinced.

I've changed the udev rules now to first "search" for the rtc with
"hctosys" flag set, and if none is found, just fall back to /dev/rtc0.

It should work reliably on most boxes, and still do the right thing in
most cases if none of the rtcs has that flag.

Thanks,
Kay
--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Kernel]     [Kernel Development Newbies]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite Hiking]     [Linux Kernel]     [Linux SCSI]