Subject: [PATCH V5] ARM: OMAP5/DRA7: realtime_counter: Configure CNTFRQ register

From: [email-masked] (Tony Lindgren)
Date: Thu, 10 Oct 2013 10:15:40 -0700

* Santosh Shilimkar <[email-masked]> [131010 06:20]:
> On Thursday 10 October 2013 03:43 AM, Sricharan R wrote:
> > From: R Sricharan <[email-masked]>
> > 
> > The realtime counter called master counter, produces the count
> > used by the private timer peripherals in the MPU_CLUSTER. The
> > CNTFRQ per cpu register is used to denote the frequency of the counter.
> > Currently the frequency value is passed from the
> > DT file, but this is not scalable when we have other non-DT guest
> > OS. This register must be set to the right value by the
> > secure rom code. Setting this register helps in propagating the right
> > frequency value across OSes.
> > 
> > More discussions and the reason for adding this in a non-DT
> > way can be seen from below.
> > http://www.mail-archive.com/linux-omap at vger.kernel.org/msg93832.html
> > 
> > So configuring this secure register for all the cpus here.
> > 
> > Cc: Santosh Shilimkar <[email-masked]>
> > Cc: Nishanth Menon <[email-masked]>
> > Cc: Rajendra Nayak <[email-masked]>
> > Cc: Marc Zyngier <[email-masked]>
> > Cc: Mark Rutland <[email-masked]>
> > Cc: Tony Lindgren <[email-masked]>
> > Tested-by: Nishanth Menon <[email-masked]>
> > Acked-by: Santosh Shilimkar <[email-masked]>
> > Signed-off-by: Sricharan R <[email-masked]>
> > ---
> >  [V5] Removed the use of extern variable in omap-smp.c
> >       as per suggestion from Santosh Shilimkar <[email-masked]>
> > 
> Thanks for the updates Sricharan. Looks fine now.
> 
> Tony, Can you apply this version if you are fine with it.

Yes thanks looks good to me now. Applying into omap-for-v3.13/soc.

Tony