On Fri, Aug 16, 2013 at 7:55 AM, Viresh Kumar <viresh.ku...@linaro.org> wrote:
> Most of the drivers do following in their ->target_index() routines:
>
> struct cpufreq_freqs freqs;
> freqs.old = old freq...
> freqs.new = new freq...
>
> cpufreq_notify_transition(policy, &freqs, CPUFREQ_PRECHANGE);
>
> /* Change rate here */
>
> cpufreq_notify_transition(policy, &freqs, CPUFREQ_POSTCHANGE);
>
> This is replicated over all cpufreq drivers today and there doesn't exists a
> good enough reason why this shouldn't be moved to cpufreq core instead.
>
> Earlier patches have added support in cpufreq core to do cpufreq notification
> on
> frequency change, but this drivers needs to do this notification itself and so
> it sets its CPUFREQ_NO_NOTIFICATION flag.
>
> Cc: Kukjin Kim <kgene....@samsung.com>
> Signed-off-by: Viresh Kumar <viresh.ku...@linaro.org>
The code change looks fine,
Acked-By: Amit Daniel Kachhap <amit.dan...@samsung.com>
Thanks
Amit Daniel
> ---
> drivers/cpufreq/exynos5440-cpufreq.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/cpufreq/exynos5440-cpufreq.c
> b/drivers/cpufreq/exynos5440-cpufreq.c
> index 91a64d6..8fb6183 100644
> --- a/drivers/cpufreq/exynos5440-cpufreq.c
> +++ b/drivers/cpufreq/exynos5440-cpufreq.c
> @@ -323,7 +323,7 @@ static int exynos_cpufreq_cpu_init(struct cpufreq_policy
> *policy)
> }
>
> static struct cpufreq_driver exynos_driver = {
> - .flags = CPUFREQ_STICKY,
> + .flags = CPUFREQ_STICKY | CPUFREQ_NO_NOTIFICATION,
> .verify = cpufreq_generic_frequency_table_verify,
> .target_index = exynos_target,
> .get = exynos_getspeed,
> --
> 1.7.12.rc2.18.g61b472e
>
> --
> To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
> the body of a message to majord...@vger.kernel.org
> More majordomo info at http://vger.kernel.org/majordomo-info.html
> Please read the FAQ at http://www.tux.org/lkml/
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
