[PATCH V2] ARM: OMAP3+: PM: VP: ensure VP is idle before disable
eduardo.valentin at ti.com
Tue May 22 03:02:55 EDT 2012
On Mon, May 21, 2012 at 6:14 PM, Menon, Nishanth <nm at ti.com> wrote:
> On Mon, May 21, 2012 at 9:51 AM, Eduardo Valentin
> <eduardo.valentin at ti.com> wrote:
>> On Mon, May 21, 2012 at 08:36:35AM -0500, ext Nishanth Menon wrote:
>>> Sat, May 19, 2012 at 4:52 AM, Eduardo Valentin <eduardo.valentin at ti.com>
>>> > I guess it is time to properly document this increasing busy loop delay..
>>> > As it is getting closer to ms scale..
>>> Does the following sound good?
>>> /* Maximum time for Voltage Processor to enter or exit idle */
>> Sounds way better :-). If you have an estimation of how long it takes
>> in the average case, it might help. But I am OK already with the above,
>> in case you don't have the estimation.
> * Maximum time for Voltage Processor to enter or exit idle
> * worst case is around 100uSec depending on when we intercepted VP
> * we use 5 times worst case value to be sure that the system flags
> * invalid condition
> Nishanth Menon
More information about the linux-arm-kernel