why is CONFIG_RTC not set?

[Dave Jones]

On Sat, Aug 04, 2007 at 08:10:51PM +0200, dragoran wrote:
 > On 8/4/07, Dave Jones <davej at redhat.com> wrote:
 > >
 > > On Sat, Aug 04, 2007 at 08:02:02PM +0200, dragoran wrote:
 > > > On 8/4/07, Dave Jones <davej at redhat.com> wrote:
 > > > >
 > > > > On Sat, Aug 04, 2007 at 10:34:12AM +0200, dragoran wrote:
 > > > > > While debugging some qemu problems I wanted to try change the value
 > > in
 > > > > >
 > > > > > /proc/sys/dev/rtc/max-user-freq
 > > > > >
 > > > > > like suggested from qemu but there is no rtc dir in /proc/sys/dev/
 > > > > > a cat /boot/config-`uname -r` | grep CONFIG_RTC shows this:
 > > > > >
 > > > > > # CONFIG_RTC is not set
 > > > > > [..]
 > > > > >
 > > > > > why is this disabled? Last time I used it it was there (was a while
 > > ago
 > > > > > but it worked)
 > > > > > Reason fro this?
 > > > >
 > > > > We're using the CONFIG_RTC_CLASS drivers instead.
 > > >
 > > >
 > > > ok, how can I change the max user freq with this drivers?
 > > > a quick google found nothing usefull...
 > >
 > > qemu wants to raise that limit. the old driver had a limit of 64hz
 > > unless you used the override.  The new driver doesn't seem to have
 > > this check.  It's arguable that it should, and it too should
 > > have a sysctl though.
 > 
 > 
 > so if I understand correctly this driver  has hardcoded limits that can't be
 > changed from userspace (yet) ?

No, it has no limits.

	Dave

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