Hi, Shawn Guo wrote: > On Mon, Dec 16, 2013 at 04:14:10PM -0500, Anson Huang wrote: > > on i.MX6Q, cpu freq change need to follow below flows: > > > > 1. each setpoint has different VDDARM, VDDSOC/PU voltage, get the setpoint > > table from dts; > > 2. when cpu freq is scaling up, need to increase VDDSOC/PU voltage before > > VDDARM, if VDDPU is off, no need to change it; > > 3. when cpu freq is scaling down, need to decrease VDDARM voltage before > > VDDSOC/PU, if VDDPU is off, no need to change it; > > > > Signed-off-by: Anson Huang <b20788@xxxxxxxxxxxxx> > > --- [...] > > + if (soc_opp_index >= soc_opp_count) { > > Can soc_opp_index be possibly greater than soc_opp_count? Otherwise, > the condition check below is good enough? > > if (soc_opp_index == soc_opp_count) > it doen't harm to be on the safe side and use >= anyway! Lothar Waßmann -- ___________________________________________________________ Ka-Ro electronics GmbH | Pascalstraße 22 | D - 52076 Aachen Phone: +49 2408 1402-0 | Fax: +49 2408 1402-10 Geschäftsführer: Matthias Kaussen Handelsregistereintrag: Amtsgericht Aachen, HRB 4996 www.karo-electronics.de | info@xxxxxxxxxxxxxxxxxxx ___________________________________________________________ -- 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