Re: Query related to usage of cpufreq_suspend() & cpufreq_resume

2018-02-02 Thread Prateek Sood
On 02/02/2018 06:49 PM, Rafael J. Wysocki wrote: > On Fri, Feb 2, 2018 at 1:53 PM, Prateek Sood wrote: >> On 02/02/2018 05:18 PM, Rafael J. Wysocki wrote: >>> On Friday, February 2, 2018 12:41:58 PM CET Prateek Sood wrote: Hi Viresh, One scenario is there

Re: Query related to usage of cpufreq_suspend() & cpufreq_resume

2018-02-02 Thread Prateek Sood
On 02/02/2018 06:49 PM, Rafael J. Wysocki wrote: > On Fri, Feb 2, 2018 at 1:53 PM, Prateek Sood wrote: >> On 02/02/2018 05:18 PM, Rafael J. Wysocki wrote: >>> On Friday, February 2, 2018 12:41:58 PM CET Prateek Sood wrote: Hi Viresh, One scenario is there where a kernel panic is

Re: Query related to usage of cpufreq_suspend() & cpufreq_resume

2018-02-02 Thread Rafael J. Wysocki
On Fri, Feb 2, 2018 at 1:53 PM, Prateek Sood wrote: > On 02/02/2018 05:18 PM, Rafael J. Wysocki wrote: >> On Friday, February 2, 2018 12:41:58 PM CET Prateek Sood wrote: >>> Hi Viresh, >>> >>> One scenario is there where a kernel panic is observed in >>> cpufreq during

Re: Query related to usage of cpufreq_suspend() & cpufreq_resume

2018-02-02 Thread Rafael J. Wysocki
On Fri, Feb 2, 2018 at 1:53 PM, Prateek Sood wrote: > On 02/02/2018 05:18 PM, Rafael J. Wysocki wrote: >> On Friday, February 2, 2018 12:41:58 PM CET Prateek Sood wrote: >>> Hi Viresh, >>> >>> One scenario is there where a kernel panic is observed in >>> cpufreq during suspend/resume. >>> >>>

Re: Query related to usage of cpufreq_suspend() & cpufreq_resume

2018-02-02 Thread Prateek Sood
On 02/02/2018 05:18 PM, Rafael J. Wysocki wrote: > On Friday, February 2, 2018 12:41:58 PM CET Prateek Sood wrote: >> Hi Viresh, >> >> One scenario is there where a kernel panic is observed in >> cpufreq during suspend/resume. >> >> pm_suspend() >> suspend_devices_and_enter() >>

Re: Query related to usage of cpufreq_suspend() & cpufreq_resume

2018-02-02 Thread Prateek Sood
On 02/02/2018 05:18 PM, Rafael J. Wysocki wrote: > On Friday, February 2, 2018 12:41:58 PM CET Prateek Sood wrote: >> Hi Viresh, >> >> One scenario is there where a kernel panic is observed in >> cpufreq during suspend/resume. >> >> pm_suspend() >> suspend_devices_and_enter() >>

Re: Query related to usage of cpufreq_suspend() & cpufreq_resume

2018-02-02 Thread Rafael J. Wysocki
On Friday, February 2, 2018 12:41:58 PM CET Prateek Sood wrote: > Hi Viresh, > > One scenario is there where a kernel panic is observed in > cpufreq during suspend/resume. > > pm_suspend() > suspend_devices_and_enter() > dpm_suspend_start() > dpm_prepare() > > Failure in

Re: Query related to usage of cpufreq_suspend() & cpufreq_resume

2018-02-02 Thread Rafael J. Wysocki
On Friday, February 2, 2018 12:41:58 PM CET Prateek Sood wrote: > Hi Viresh, > > One scenario is there where a kernel panic is observed in > cpufreq during suspend/resume. > > pm_suspend() > suspend_devices_and_enter() > dpm_suspend_start() > dpm_prepare() > > Failure in

Query related to usage of cpufreq_suspend() & cpufreq_resume

2018-02-02 Thread Prateek Sood
Hi Viresh, One scenario is there where a kernel panic is observed in cpufreq during suspend/resume. pm_suspend() suspend_devices_and_enter() dpm_suspend_start() dpm_prepare() Failure in dpm_prepare() happend with following dmesg: [ 3746.316062] PM: Device xyz not prepared for

Query related to usage of cpufreq_suspend() & cpufreq_resume

2018-02-02 Thread Prateek Sood
Hi Viresh, One scenario is there where a kernel panic is observed in cpufreq during suspend/resume. pm_suspend() suspend_devices_and_enter() dpm_suspend_start() dpm_prepare() Failure in dpm_prepare() happend with following dmesg: [ 3746.316062] PM: Device xyz not prepared for