[PATCH] ARM: tegra30: make the wait time of CPU power up to proportional to HZ

[josephl@nvidia.com (Joseph Lo)]

On Tue, 2013-01-08 at 01:41 +0800, Stephen Warren wrote:
> On 01/06/2013 07:56 PM, Joseph Lo wrote:
> > It would rather to use the API of time_to_jiffies than a constant number
> > of jiffies for the wait time of CPU power up.
> > 
> > Based on the work by:
> > Sang-Hun Lee <sanlee@nvidia.com>
> 
> Applied to Tegra's for-3.9/soc branch.
> 
> > diff --git a/arch/arm/mach-tegra/platsmp.c b/arch/arm/mach-tegra/platsmp.c
> 
> > -		timeout = jiffies + 5*HZ;
> > +		timeout = jiffies + msecs_to_jiffies(50);
> 
> I did just want to confirm though; I think that changes the timeout from
> 5 seconds to 50mS and similarly for the other change. I assume that was
> intended? The code certainly seemed to work just fine with this change
> when I tested it.

Yes, I also tested this patch with CPU hotplug stress test. The result
was good.

Thanks for confirming.

Joseph