Re: [PATCH] cpufreq: exynos5440: Fix to skip when new frequency sameas current

From: Sudeep KarkadaNagesha
Date: Wed Aug 07 2013 - 07:30:03 EST

On 07/08/13 12:22, Viresh Kumar wrote:
> On 7 August 2013 16:46, Amit Daniel Kachhap <amit.daniel@xxxxxxxxxxx> wrote:
>> This patch fixes the issue of un-necessary setting the clock controller
>> when the new target frequency is same as the current one. This case usually
>> occurs with governors like ondemand which passes the target frequency as the
>> percentage of average frequency. This check is present in most of the cpufreq
>> driver.
>> Cc: Viresh Kumar <viresh.kumar@xxxxxxxxxx>
>> Cc: Rafael J. Wysocki <rjw@xxxxxxx>
>> Cc: Kukjin Kim <>
>> Signed-off-by: Amit Daniel Kachhap <amit.daniel@xxxxxxxxxxx>
>> ---
>> drivers/cpufreq/exynos5440-cpufreq.c | 3 +++
>> 1 files changed, 3 insertions(+), 0 deletions(-)
> Applied.
Hi Viresh,

Any particular reason we need this check in all drivers after your
commit: 5a1c0228 "cpufreq: Avoid calling cpufreq driver's target()
routine if target_freq == policy->cur"

I think it can removed from all drivers, am I missing something ?


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