Re: [PATCH] ARM: dts: berlin2q.dtsi: set L2CC tag and data latency as 2 cycles

From: Jisheng Zhang
Date: Thu Jun 12 2014 - 06:21:38 EST


Hi Russell,

On Thu, 12 Jun 2014 03:15:03 -0700
Jisheng Zhang <jszhang@xxxxxxxxxxx> wrote:

> Hi Russell,
>
> On Thu, 12 Jun 2014 02:44:23 -0700
> Russell King - ARM Linux <linux@xxxxxxxxxxxxxxxx> wrote:
>
> > On Thu, Jun 12, 2014 at 05:38:40PM +0800, Jisheng Zhang wrote:
> > > For all BG2Q SoCs, 2 cycles is the best/correct value
> >
> > It would be a good idea to set all these parameters if you need to set
> > them at all - in other words, setting arm,dirty-latency as well, as
> > that's all part of the timing specification.
> >
>
> Thanks for reviewing this patch. I will check with SoC people to find the
> correct dirty-latency value.

The BG2Q L2 cache controller is PL310, so no "dirty-latency"

Thanks,
Jisheng
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/