On Fri, Jul 30, 2010 at 01:33:08PM -0700, Colin Cross wrote: > On Fri, Jul 30, 2010 at 1:20 PM, Mark Brown > > ...although in some systems the I2C cost will be replaced with updating > > a GPIO which is very much cheaper. > Yes, but even on a GPIO regulator, the regulator api will lock a mutex > and possibly schedule. Yup, the schedule will depend on how long it takes to charge the cap on the output in the case of the GPIO regulator. The point being that the delay you'll encounter is wildly variable depending on hardware setup. -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
