From: Eduardo Valentin <edubezval@gmail.com>
To: Viresh Kumar <viresh.kumar@linaro.org>
Cc: "linux-pm@vger.kernel.org" <linux-pm@vger.kernel.org>,
Lists linaro-kernel <linaro-kernel@lists.linaro.org>,
Zhang Rui <rui.zhang@intel.com>
Subject: Re: [PATCH 25/26] cpu_cooling: Use cpufreq_dev->freq_table for finding level/freq
Date: Wed, 3 Dec 2014 09:32:02 -0400 [thread overview]
Message-ID: <20141203133159.GB4194@developer> (raw)
In-Reply-To: <CAKohponQ0vr7QXFun3GmPsMCGj6VOd3P0of6Hd5p4ZBG-_PxdQ@mail.gmail.com>
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On Wed, Dec 03, 2014 at 10:40:11AM +0530, Viresh Kumar wrote:
> On 3 December 2014 at 05:06, Eduardo Valentin <edubezval@gmail.com> wrote:
> >> - ret = get_property(cpufreq_device, state, &clip_freq, GET_FREQ);
> >> - if (ret)
> >> - return ret;
> >> -
> >> + clip_freq = cpufreq_device->freq_table[state];
> >
> > There should be some check for valid state here..
>
> What about this ??
Sounds good to me.
>
> diff --git a/drivers/thermal/cpu_cooling.c b/drivers/thermal/cpu_cooling.c
> index 6bd95bc..6e76417 100644
> --- a/drivers/thermal/cpu_cooling.c
> +++ b/drivers/thermal/cpu_cooling.c
> @@ -228,6 +228,10 @@ static int cpufreq_set_cur_state(struct
> thermal_cooling_device *cdev,
> unsigned int cpu = cpumask_any(&cpufreq_device->allowed_cpus);
> unsigned int clip_freq;
>
> + /* Request state should be less than max_level */
> + if (WARN_ON(state > cpufreq_device->max_level))
> + return -EINVAL;
> +
> /* Check if the old cooling action is same as new cooling action */
> if (cpufreq_device->cpufreq_state == state)
> return 0;
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next prev parent reply other threads:[~2014-12-03 13:32 UTC|newest]
Thread overview: 55+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-28 9:43 [PATCH 00/26] thermal: cpu_cooling: Fixes and cleanups Viresh Kumar
2014-11-28 9:43 ` [PATCH 01/26] thermal: db8500: pass cpu_present_mask to cpufreq_cooling_register() Viresh Kumar
2014-11-28 9:43 ` [PATCH 02/26] thermal: imx: " Viresh Kumar
2014-11-28 9:43 ` [PATCH 03/26] thermal: exynos: " Viresh Kumar
2014-11-28 9:43 ` [PATCH 04/26] thermal: exynos: Handle -EPROBE_DEFER properly Viresh Kumar
2014-12-02 23:08 ` Eduardo Valentin
2014-11-28 9:43 ` [PATCH 05/26] cpu_cooling: random comment fixups Viresh Kumar
2014-12-02 23:09 ` Eduardo Valentin
2014-11-28 9:44 ` [PATCH 06/26] cpu_cooling: fix doc comment over struct cpufreq_cooling_device Viresh Kumar
2014-11-28 9:44 ` [PATCH 07/26] cpu_cooling: Add comment to clarify relation between cooling state and frequency Viresh Kumar
2014-11-28 9:44 ` [PATCH 08/26] cpu_cooling: Pass variable instead of its type to sizeof() Viresh Kumar
2014-12-02 15:26 ` Javi Merino
2014-12-02 23:07 ` Eduardo Valentin
2014-12-03 4:38 ` Viresh Kumar
2014-11-28 9:44 ` [PATCH 09/26] cpu_cooling: no need to set cpufreq_state to zero Viresh Kumar
2014-11-28 9:44 ` [PATCH 10/26] cpu_cooling: no need to set cpufreq_dev to NULL Viresh Kumar
2014-11-28 9:44 ` [PATCH 11/26] cpu_cooling: propagate error returned by idr_alloc() Viresh Kumar
2014-12-02 15:35 ` Javi Merino
2014-12-03 4:36 ` Viresh Kumar
2014-12-02 23:03 ` Eduardo Valentin
2014-11-28 9:44 ` [PATCH 12/26] cpu_cooling: Don't match min/max frequencies for all CPUs on cooling register Viresh Kumar
2014-11-28 9:44 ` [PATCH 13/26] cpu_cooling: don't iterate over all allowed_cpus to update cpufreq policy Viresh Kumar
2014-11-28 9:44 ` [PATCH 14/26] cpu_cooling: Don't check is_cpufreq_valid() Viresh Kumar
2014-11-28 9:44 ` [PATCH 15/26] cpu_cooling: do error handling at the bottom in __cpufreq_cooling_register() Viresh Kumar
2014-12-02 15:45 ` Javi Merino
2014-11-28 9:44 ` [PATCH 16/26] cpu_cooling: Drop useless locking around idr_alloc/idr_remove Viresh Kumar
2014-12-02 15:53 ` Javi Merino
2014-12-02 23:05 ` Eduardo Valentin
2014-12-03 9:32 ` Viresh Kumar
2014-11-28 9:44 ` [PATCH 17/26] cpu_cooling: Merge cpufreq_apply_cooling() into cpufreq_set_cur_state() Viresh Kumar
2014-11-28 9:44 ` [PATCH 18/26] cpu_cooling: Merge get_cpu_frequency() " Viresh Kumar
2014-11-28 9:44 ` [PATCH 19/26] cpu_cooling: find max level during device registration Viresh Kumar
2014-12-02 23:39 ` Eduardo Valentin
2014-12-03 4:57 ` Viresh Kumar
2014-12-03 13:40 ` Eduardo Valentin
2014-11-28 9:44 ` [PATCH 20/26] cpu_cooling: get_property() doesn't need to support GET_MAXL anymore Viresh Kumar
2014-11-28 9:44 ` [PATCH 21/26] cpu_cooling: create list of cpufreq_cooling_devices Viresh Kumar
2014-12-02 23:12 ` Eduardo Valentin
2014-11-28 9:44 ` [PATCH 22/26] cpu_cooling: use cpufreq_dev_list instead of cpufreq_dev_count Viresh Kumar
2014-11-28 9:44 ` [PATCH 23/26] cpu_cooling: Pass 'cpufreq_dev' to get_property() Viresh Kumar
2014-11-28 9:44 ` [PATCH 24/26] cpu_cooling: Store frequencies in descending order Viresh Kumar
2014-12-02 23:21 ` Eduardo Valentin
2014-12-03 4:52 ` Viresh Kumar
2014-12-03 13:41 ` Eduardo Valentin
[not found] ` <CAKohponw7E9yyvjhP97CzjtcFcq3N+5ysde7DR5q+Nm0s=bKAw@mail.gmail.com>
2014-12-03 14:00 ` Eduardo Valentin
2014-11-28 9:44 ` [PATCH 25/26] cpu_cooling: Use cpufreq_dev->freq_table for finding level/freq Viresh Kumar
2014-12-02 23:36 ` Eduardo Valentin
2014-12-03 5:10 ` Viresh Kumar
2014-12-03 13:32 ` Eduardo Valentin [this message]
2014-11-28 9:44 ` [PATCH 26/26] cpu_cooling: update copyright tags Viresh Kumar
2014-12-02 19:41 ` Eduardo Valentin
2014-12-03 4:34 ` Viresh Kumar
2014-12-04 4:41 ` amit daniel kachhap
2014-11-28 13:26 ` [PATCH 00/26] thermal: cpu_cooling: Fixes and cleanups Eduardo Valentin
2014-11-28 13:41 ` Viresh Kumar
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