On Friday 11 October 2013 08:34 PM, Tony Lindgren wrote: > * Tony Lindgren <tony@xxxxxxxxxxx> [131010 10:23]: >> * Santosh Shilimkar <santosh.shilimkar@xxxxxx> [131010 06:20]: >>> On Thursday 10 October 2013 03:43 AM, Sricharan R wrote: >>>> From: R Sricharan <r.sricharan@xxxxxx> >>>> >>>> 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@xxxxxxxxxxxxxxx/msg93832.html >>>> >>>> So configuring this secure register for all the cpus here. >>>> >>>> Cc: Santosh Shilimkar <santosh.shilimkar@xxxxxx> >>>> Cc: Nishanth Menon <nm@xxxxxx> >>>> Cc: Rajendra Nayak <rnayak@xxxxxx> >>>> Cc: Marc Zyngier <marc.zyngier@xxxxxxx> >>>> Cc: Mark Rutland <mark.rutland@xxxxxxx> >>>> Cc: Tony Lindgren <tony@xxxxxxxxxxx> >>>> Tested-by: Nishanth Menon <nm@xxxxxx> >>>> Acked-by: Santosh Shilimkar <santosh.shilimkar@xxxxxx> >>>> Signed-off-by: Sricharan R <r.sricharan@xxxxxx> >>>> --- >>>> [V5] Removed the use of extern variable in omap-smp.c >>>> as per suggestion from Santosh Shilimkar <santosh.shilimkar@xxxxxx> >>>> >>> 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. > > Grr, had to apply the following fix on top of this for some configs. > Looks like Sricharan missed some builds. Sorry for the trouble Tony. > > 8< --------------------------- > > From: Tony Lindgren <tony@xxxxxxxxxxx> > Date: Fri, 11 Oct 2013 17:28:04 -0700 > Subject: [PATCH] ARM: OMAP2+: Fix build error for realtime counter init if not enabled > > Otherwise we can get an error with some configs: > > arch/arm/mach-omap2/timer.c:73: undefined reference to `omap_smc1' > > Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx> > Looks fine to me. Thanks Regards, Santosh -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
