* [REGRESSION] opp: Allow dev_pm_opp_get_opp_table() to return -EPROBE_DEFER
@ 2020-11-05 23:10 Andreas Kemnade
2020-11-06 4:14 ` Viresh Kumar
0 siblings, 1 reply; 5+ messages in thread
From: Andreas Kemnade @ 2020-11-05 23:10 UTC (permalink / raw)
To: stephan, rjw, khilman, ulf.hansson, vireshk, nm, sboyd, linux-pm,
linux-omap, linux-kernel, linux-arm-kernel, letux-kernel,
stephan
Hi,
On the GTA04 (DM3730, devicetree omap3-gta04*) I get my console flooded
up with the following:
[ 24.517211] cpu cpu0: multiple regulators are not supported
[ 24.523040] cpufreq: __target_index: Failed to change cpu frequency: -22
[ 24.537231] ------------[ cut here ]------------
[ 24.542083] WARNING: CPU: 0 PID: 5 at drivers/opp/core.c:678 dev_pm_opp_set_rate+0x23c/0x494
[ 24.551086] Modules linked in: usb_f_ecm g_ether usb_f_rndis u_ether libcomposite configfs phy_twl4030_usb omap2430 musb_hdrc overlay
[ 24.563842] CPU: 0 PID: 5 Comm: kworker/0:0 Tainted: G W 5.9.0-rc1-00008-g629238068eb9 #14
[ 24.573852] Hardware name: Generic OMAP36xx (Flattened Device Tree)
[ 24.580413] Workqueue: events dbs_work_handler
[ 24.585083] [<c010e6b4>] (unwind_backtrace) from [<c010a194>] (show_stack+0x10/0x14)
[ 24.593200] [<c010a194>] (show_stack) from [<c0464ad0>] (dump_stack+0x8c/0xac)
[ 24.600769] [<c0464ad0>] (dump_stack) from [<c01276a8>] (__warn+0xcc/0xe4)
[ 24.608001] [<c01276a8>] (__warn) from [<c0127a3c>] (warn_slowpath_fmt+0x74/0xa0)
[ 24.615844] [<c0127a3c>] (warn_slowpath_fmt) from [<c06364ac>] (dev_pm_opp_set_rate+0x23c/0x494)
[ 24.625061] [<c06364ac>] (dev_pm_opp_set_rate) from [<c063ec08>] (set_target+0x2c/0x4c)
[ 24.633453] [<c063ec08>] (set_target) from [<c063a950>] (__cpufreq_driver_target+0x190/0x22c)
[ 24.642395] [<c063a950>] (__cpufreq_driver_target) from [<c063d4e0>] (od_dbs_update+0xcc/0x158)
[ 24.651489] [<c063d4e0>] (od_dbs_update) from [<c063e090>] (dbs_work_handler+0x2c/0x54)
[ 24.659881] [<c063e090>] (dbs_work_handler) from [<c013f71c>] (process_one_work+0x210/0x358)
[ 24.668731] [<c013f71c>] (process_one_work) from [<c0140014>] (worker_thread+0x22c/0x2d0)
[ 24.677307] [<c0140014>] (worker_thread) from [<c0144eac>] (kthread+0x140/0x14c)
[ 24.685058] [<c0144eac>] (kthread) from [<c0100148>] (ret_from_fork+0x14/0x2c)
[ 24.692626] Exception stack(0xde4b7fb0 to 0xde4b7ff8)
[ 24.697906] 7fa0: 00000000 00000000 00000000 00000000
[ 24.706481] 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[ 24.715057] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[ 24.722198] ---[ end trace 038b3f231fae6f81 ]---
endlessly after the $subject commit. Any hints?
Regards,
Andreas
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [REGRESSION] opp: Allow dev_pm_opp_get_opp_table() to return -EPROBE_DEFER
2020-11-05 23:10 [REGRESSION] opp: Allow dev_pm_opp_get_opp_table() to return -EPROBE_DEFER Andreas Kemnade
@ 2020-11-06 4:14 ` Viresh Kumar
2020-11-06 8:44 ` [Letux-kernel] " H. Nikolaus Schaller
0 siblings, 1 reply; 5+ messages in thread
From: Viresh Kumar @ 2020-11-06 4:14 UTC (permalink / raw)
To: Andreas Kemnade
Cc: stephan, rjw, khilman, ulf.hansson, vireshk, nm, sboyd, linux-pm,
linux-omap, linux-kernel, linux-arm-kernel, letux-kernel
On 06-11-20, 00:10, Andreas Kemnade wrote:
> Hi,
>
> On the GTA04 (DM3730, devicetree omap3-gta04*) I get my console flooded
> up with the following:
> [ 24.517211] cpu cpu0: multiple regulators are not supported
> [ 24.523040] cpufreq: __target_index: Failed to change cpu frequency: -22
> [ 24.537231] ------------[ cut here ]------------
> [ 24.542083] WARNING: CPU: 0 PID: 5 at drivers/opp/core.c:678 dev_pm_opp_set_rate+0x23c/0x494
> [ 24.551086] Modules linked in: usb_f_ecm g_ether usb_f_rndis u_ether libcomposite configfs phy_twl4030_usb omap2430 musb_hdrc overlay
> [ 24.563842] CPU: 0 PID: 5 Comm: kworker/0:0 Tainted: G W 5.9.0-rc1-00008-g629238068eb9 #14
> [ 24.573852] Hardware name: Generic OMAP36xx (Flattened Device Tree)
> [ 24.580413] Workqueue: events dbs_work_handler
> [ 24.585083] [<c010e6b4>] (unwind_backtrace) from [<c010a194>] (show_stack+0x10/0x14)
> [ 24.593200] [<c010a194>] (show_stack) from [<c0464ad0>] (dump_stack+0x8c/0xac)
> [ 24.600769] [<c0464ad0>] (dump_stack) from [<c01276a8>] (__warn+0xcc/0xe4)
> [ 24.608001] [<c01276a8>] (__warn) from [<c0127a3c>] (warn_slowpath_fmt+0x74/0xa0)
> [ 24.615844] [<c0127a3c>] (warn_slowpath_fmt) from [<c06364ac>] (dev_pm_opp_set_rate+0x23c/0x494)
> [ 24.625061] [<c06364ac>] (dev_pm_opp_set_rate) from [<c063ec08>] (set_target+0x2c/0x4c)
> [ 24.633453] [<c063ec08>] (set_target) from [<c063a950>] (__cpufreq_driver_target+0x190/0x22c)
> [ 24.642395] [<c063a950>] (__cpufreq_driver_target) from [<c063d4e0>] (od_dbs_update+0xcc/0x158)
> [ 24.651489] [<c063d4e0>] (od_dbs_update) from [<c063e090>] (dbs_work_handler+0x2c/0x54)
> [ 24.659881] [<c063e090>] (dbs_work_handler) from [<c013f71c>] (process_one_work+0x210/0x358)
> [ 24.668731] [<c013f71c>] (process_one_work) from [<c0140014>] (worker_thread+0x22c/0x2d0)
> [ 24.677307] [<c0140014>] (worker_thread) from [<c0144eac>] (kthread+0x140/0x14c)
> [ 24.685058] [<c0144eac>] (kthread) from [<c0100148>] (ret_from_fork+0x14/0x2c)
> [ 24.692626] Exception stack(0xde4b7fb0 to 0xde4b7ff8)
> [ 24.697906] 7fa0: 00000000 00000000 00000000 00000000
> [ 24.706481] 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> [ 24.715057] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> [ 24.722198] ---[ end trace 038b3f231fae6f81 ]---
>
> endlessly after the $subject commit. Any hints?
The fix for this has been in linux-next for a couple of days and it
made it to linus/master yesterday.
47efcbcb340c opp: Fix early exit from dev_pm_opp_register_set_opp_helper()
--
viresh
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [Letux-kernel] [REGRESSION] opp: Allow dev_pm_opp_get_opp_table() to return -EPROBE_DEFER
2020-11-06 4:14 ` Viresh Kumar
@ 2020-11-06 8:44 ` H. Nikolaus Schaller
2020-11-06 8:58 ` Viresh Kumar
0 siblings, 1 reply; 5+ messages in thread
From: H. Nikolaus Schaller @ 2020-11-06 8:44 UTC (permalink / raw)
To: Andreas Kemnade, vireshk
Cc: nm, ulf.hansson, stephan, khilman, sboyd, linux-pm, rjw,
linux-kernel, linux-omap, linux-arm-kernel,
Discussions about the Letux Kernel
> Am 06.11.2020 um 05:14 schrieb Viresh Kumar <viresh.kumar@linaro.org>:
>
> On 06-11-20, 00:10, Andreas Kemnade wrote:
>> Hi,
>>
>> On the GTA04 (DM3730, devicetree omap3-gta04*) I get my console flooded
>> up with the following:
>> [ 24.517211] cpu cpu0: multiple regulators are not supported
>> [ 24.523040] cpufreq: __target_index: Failed to change cpu frequency: -22
>> [ 24.537231] ------------[ cut here ]------------
>> [ 24.542083] WARNING: CPU: 0 PID: 5 at drivers/opp/core.c:678 dev_pm_opp_set_rate+0x23c/0x494
>> [ 24.551086] Modules linked in: usb_f_ecm g_ether usb_f_rndis u_ether libcomposite configfs phy_twl4030_usb omap2430 musb_hdrc overlay
>> [ 24.563842] CPU: 0 PID: 5 Comm: kworker/0:0 Tainted: G W 5.9.0-rc1-00008-g629238068eb9 #14
>> [ 24.573852] Hardware name: Generic OMAP36xx (Flattened Device Tree)
>> [ 24.580413] Workqueue: events dbs_work_handler
>> [ 24.585083] [<c010e6b4>] (unwind_backtrace) from [<c010a194>] (show_stack+0x10/0x14)
>> [ 24.593200] [<c010a194>] (show_stack) from [<c0464ad0>] (dump_stack+0x8c/0xac)
>> [ 24.600769] [<c0464ad0>] (dump_stack) from [<c01276a8>] (__warn+0xcc/0xe4)
>> [ 24.608001] [<c01276a8>] (__warn) from [<c0127a3c>] (warn_slowpath_fmt+0x74/0xa0)
>> [ 24.615844] [<c0127a3c>] (warn_slowpath_fmt) from [<c06364ac>] (dev_pm_opp_set_rate+0x23c/0x494)
>> [ 24.625061] [<c06364ac>] (dev_pm_opp_set_rate) from [<c063ec08>] (set_target+0x2c/0x4c)
>> [ 24.633453] [<c063ec08>] (set_target) from [<c063a950>] (__cpufreq_driver_target+0x190/0x22c)
>> [ 24.642395] [<c063a950>] (__cpufreq_driver_target) from [<c063d4e0>] (od_dbs_update+0xcc/0x158)
>> [ 24.651489] [<c063d4e0>] (od_dbs_update) from [<c063e090>] (dbs_work_handler+0x2c/0x54)
>> [ 24.659881] [<c063e090>] (dbs_work_handler) from [<c013f71c>] (process_one_work+0x210/0x358)
>> [ 24.668731] [<c013f71c>] (process_one_work) from [<c0140014>] (worker_thread+0x22c/0x2d0)
>> [ 24.677307] [<c0140014>] (worker_thread) from [<c0144eac>] (kthread+0x140/0x14c)
>> [ 24.685058] [<c0144eac>] (kthread) from [<c0100148>] (ret_from_fork+0x14/0x2c)
>> [ 24.692626] Exception stack(0xde4b7fb0 to 0xde4b7ff8)
>> [ 24.697906] 7fa0: 00000000 00000000 00000000 00000000
>> [ 24.706481] 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
>> [ 24.715057] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000
>> [ 24.722198] ---[ end trace 038b3f231fae6f81 ]---
>>
>> endlessly after the $subject commit. Any hints?
>
> The fix for this has been in linux-next for a couple of days and it
> made it to linus/master yesterday.
>
> 47efcbcb340c opp: Fix early exit from dev_pm_opp_register_set_opp_helper()
Seems to fix our problems on gta04 (OMAP3).
Otherwise we would have found that v5.10-rc3 magically solves it :)
Interestingly it did not affect OMAP5.
BR and thanks,
Nikolaus Schaller
^ permalink raw reply [flat|nested] 5+ messages in thread
* Re: [Letux-kernel] [REGRESSION] opp: Allow dev_pm_opp_get_opp_table() to return -EPROBE_DEFER
2020-11-06 8:44 ` [Letux-kernel] " H. Nikolaus Schaller
@ 2020-11-06 8:58 ` Viresh Kumar
2020-11-06 9:27 ` H. Nikolaus Schaller
0 siblings, 1 reply; 5+ messages in thread
From: Viresh Kumar @ 2020-11-06 8:58 UTC (permalink / raw)
To: H. Nikolaus Schaller
Cc: Andreas Kemnade, vireshk, nm, ulf.hansson, stephan, khilman,
sboyd, linux-pm, rjw, linux-kernel, linux-omap, linux-arm-kernel,
Discussions about the Letux Kernel
On 06-11-20, 09:44, H. Nikolaus Schaller wrote:
>
> > Am 06.11.2020 um 05:14 schrieb Viresh Kumar <viresh.kumar@linaro.org>:
> >
> > On 06-11-20, 00:10, Andreas Kemnade wrote:
> >> Hi,
> >>
> >> On the GTA04 (DM3730, devicetree omap3-gta04*) I get my console flooded
> >> up with the following:
> >> [ 24.517211] cpu cpu0: multiple regulators are not supported
> >> [ 24.523040] cpufreq: __target_index: Failed to change cpu frequency: -22
> >> [ 24.537231] ------------[ cut here ]------------
> >> [ 24.542083] WARNING: CPU: 0 PID: 5 at drivers/opp/core.c:678 dev_pm_opp_set_rate+0x23c/0x494
> >> [ 24.551086] Modules linked in: usb_f_ecm g_ether usb_f_rndis u_ether libcomposite configfs phy_twl4030_usb omap2430 musb_hdrc overlay
> >> [ 24.563842] CPU: 0 PID: 5 Comm: kworker/0:0 Tainted: G W 5.9.0-rc1-00008-g629238068eb9 #14
> >> [ 24.573852] Hardware name: Generic OMAP36xx (Flattened Device Tree)
> >> [ 24.580413] Workqueue: events dbs_work_handler
> >> [ 24.585083] [<c010e6b4>] (unwind_backtrace) from [<c010a194>] (show_stack+0x10/0x14)
> >> [ 24.593200] [<c010a194>] (show_stack) from [<c0464ad0>] (dump_stack+0x8c/0xac)
> >> [ 24.600769] [<c0464ad0>] (dump_stack) from [<c01276a8>] (__warn+0xcc/0xe4)
> >> [ 24.608001] [<c01276a8>] (__warn) from [<c0127a3c>] (warn_slowpath_fmt+0x74/0xa0)
> >> [ 24.615844] [<c0127a3c>] (warn_slowpath_fmt) from [<c06364ac>] (dev_pm_opp_set_rate+0x23c/0x494)
> >> [ 24.625061] [<c06364ac>] (dev_pm_opp_set_rate) from [<c063ec08>] (set_target+0x2c/0x4c)
> >> [ 24.633453] [<c063ec08>] (set_target) from [<c063a950>] (__cpufreq_driver_target+0x190/0x22c)
> >> [ 24.642395] [<c063a950>] (__cpufreq_driver_target) from [<c063d4e0>] (od_dbs_update+0xcc/0x158)
> >> [ 24.651489] [<c063d4e0>] (od_dbs_update) from [<c063e090>] (dbs_work_handler+0x2c/0x54)
> >> [ 24.659881] [<c063e090>] (dbs_work_handler) from [<c013f71c>] (process_one_work+0x210/0x358)
> >> [ 24.668731] [<c013f71c>] (process_one_work) from [<c0140014>] (worker_thread+0x22c/0x2d0)
> >> [ 24.677307] [<c0140014>] (worker_thread) from [<c0144eac>] (kthread+0x140/0x14c)
> >> [ 24.685058] [<c0144eac>] (kthread) from [<c0100148>] (ret_from_fork+0x14/0x2c)
> >> [ 24.692626] Exception stack(0xde4b7fb0 to 0xde4b7ff8)
> >> [ 24.697906] 7fa0: 00000000 00000000 00000000 00000000
> >> [ 24.706481] 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
> >> [ 24.715057] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000
> >> [ 24.722198] ---[ end trace 038b3f231fae6f81 ]---
> >>
> >> endlessly after the $subject commit. Any hints?
> >
> > The fix for this has been in linux-next for a couple of days and it
> > made it to linus/master yesterday.
> >
> > 47efcbcb340ic opp: Fix early exit from dev_pm_opp_register_set_opp_helper()
I think I may have accidentally pasted the wrong commit here. This is
the one which must have fixed it for you.
commit 1f6620f87006 ("opp: Don't always remove static OPPs in _of_add_opp_table_v1()")
> Seems to fix our problems on gta04 (OMAP3).
> Otherwise we would have found that v5.10-rc3 magically solves it :)
I assume you just ran linus's/master, otherwise the patch I shared
earlier won't have fixed the issue :)
> Interestingly it did not affect OMAP5.
Based on the DT I saw for omap5, it does use OPPv1 and so it shouldn't
have worked as well. It may be worth checking why it didn't get
affected earlier.
You can see the populated OPPs for a platform with this:
ls /sys/kernel/debug/opp/cpu*/*
You shall see some difference with and without this patch. Or it may
be the case that you are adding dynamic OPPs with dev_pm_opp_add() and
so even after removing the static ones, it worked (though I wasn't
able to find that in the code).
--
viresh
^ permalink raw reply [flat|nested] 5+ messages in thread* Re: [Letux-kernel] [REGRESSION] opp: Allow dev_pm_opp_get_opp_table() to return -EPROBE_DEFER
2020-11-06 8:58 ` Viresh Kumar
@ 2020-11-06 9:27 ` H. Nikolaus Schaller
0 siblings, 0 replies; 5+ messages in thread
From: H. Nikolaus Schaller @ 2020-11-06 9:27 UTC (permalink / raw)
To: Viresh Kumar
Cc: Andreas Kemnade, vireshk, nm, ulf.hansson, stephan, khilman,
sboyd, linux-pm, rjw, linux-kernel, linux-omap, linux-arm-kernel,
Discussions about the Letux Kernel
Hi,
> Am 06.11.2020 um 09:58 schrieb Viresh Kumar <viresh.kumar@linaro.org>:
>
> On 06-11-20, 09:44, H. Nikolaus Schaller wrote:
>>
>>> Am 06.11.2020 um 05:14 schrieb Viresh Kumar <viresh.kumar@linaro.org>:
>>>
>>> On 06-11-20, 00:10, Andreas Kemnade wrote:
>>>> Hi,
>>>>
>>>> On the GTA04 (DM3730, devicetree omap3-gta04*) I get my console flooded
>>>> up with the following:
>>>> [ 24.517211] cpu cpu0: multiple regulators are not supported
>>>> [ 24.523040] cpufreq: __target_index: Failed to change cpu frequency: -22
>>>> [ 24.537231] ------------[ cut here ]------------
>>>> [ 24.542083] WARNING: CPU: 0 PID: 5 at drivers/opp/core.c:678 dev_pm_opp_set_rate+0x23c/0x494
>>>> [ 24.551086] Modules linked in: usb_f_ecm g_ether usb_f_rndis u_ether libcomposite configfs phy_twl4030_usb omap2430 musb_hdrc overlay
>>>> [ 24.563842] CPU: 0 PID: 5 Comm: kworker/0:0 Tainted: G W 5.9.0-rc1-00008-g629238068eb9 #14
>>>> [ 24.573852] Hardware name: Generic OMAP36xx (Flattened Device Tree)
>>>> [ 24.580413] Workqueue: events dbs_work_handler
>>>> [ 24.585083] [<c010e6b4>] (unwind_backtrace) from [<c010a194>] (show_stack+0x10/0x14)
>>>> [ 24.593200] [<c010a194>] (show_stack) from [<c0464ad0>] (dump_stack+0x8c/0xac)
>>>> [ 24.600769] [<c0464ad0>] (dump_stack) from [<c01276a8>] (__warn+0xcc/0xe4)
>>>> [ 24.608001] [<c01276a8>] (__warn) from [<c0127a3c>] (warn_slowpath_fmt+0x74/0xa0)
>>>> [ 24.615844] [<c0127a3c>] (warn_slowpath_fmt) from [<c06364ac>] (dev_pm_opp_set_rate+0x23c/0x494)
>>>> [ 24.625061] [<c06364ac>] (dev_pm_opp_set_rate) from [<c063ec08>] (set_target+0x2c/0x4c)
>>>> [ 24.633453] [<c063ec08>] (set_target) from [<c063a950>] (__cpufreq_driver_target+0x190/0x22c)
>>>> [ 24.642395] [<c063a950>] (__cpufreq_driver_target) from [<c063d4e0>] (od_dbs_update+0xcc/0x158)
>>>> [ 24.651489] [<c063d4e0>] (od_dbs_update) from [<c063e090>] (dbs_work_handler+0x2c/0x54)
>>>> [ 24.659881] [<c063e090>] (dbs_work_handler) from [<c013f71c>] (process_one_work+0x210/0x358)
>>>> [ 24.668731] [<c013f71c>] (process_one_work) from [<c0140014>] (worker_thread+0x22c/0x2d0)
>>>> [ 24.677307] [<c0140014>] (worker_thread) from [<c0144eac>] (kthread+0x140/0x14c)
>>>> [ 24.685058] [<c0144eac>] (kthread) from [<c0100148>] (ret_from_fork+0x14/0x2c)
>>>> [ 24.692626] Exception stack(0xde4b7fb0 to 0xde4b7ff8)
>>>> [ 24.697906] 7fa0: 00000000 00000000 00000000 00000000
>>>> [ 24.706481] 7fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
>>>> [ 24.715057] 7fe0: 00000000 00000000 00000000 00000000 00000013 00000000
>>>> [ 24.722198] ---[ end trace 038b3f231fae6f81 ]---
>>>>
>>>> endlessly after the $subject commit. Any hints?
>>>
>>> The fix for this has been in linux-next for a couple of days and it
>>> made it to linus/master yesterday.
>>>
>>> 47efcbcb340ic opp: Fix early exit from dev_pm_opp_register_set_opp_helper()
>
> I think I may have accidentally pasted the wrong commit here. This is
> the one which must have fixed it for you.
>
> commit 1f6620f87006 ("opp: Don't always remove static OPPs in _of_add_opp_table_v1()")
Well, I did a cross-check and git revert 47efcbcb340 made the problem come back.
Maybe both patches are good and the first one hides the missing second one.
What I haven't checked is if all opps are available now. I just looked for the omap to boot.
>
>
>> Seems to fix our problems on gta04 (OMAP3).
>> Otherwise we would have found that v5.10-rc3 magically solves it :)
>
> I assume you just ran linus's/master, otherwise the patch I shared
> earlier won't have fixed the issue :)
Yes, we just test with v5.10-rc2 and wait for -rc3 to come in some days.
>
>> Interestingly it did not affect OMAP5.
>
> Based on the DT I saw for omap5, it does use OPPv1 and so it shouldn't
> have worked as well. It may be worth checking why it didn't get
> affected earlier.
>
> You can see the populated OPPs for a platform with this:
>
> ls /sys/kernel/debug/opp/cpu*/*
>
> You shall see some difference with and without this patch. Or it may
> be the case that you are adding dynamic OPPs with dev_pm_opp_add() and
> so even after removing the static ones, it worked (though I wasn't
> able to find that in the code).
Ah, now as you tell this I remember that the last test on omap5 did not
have any cpufreq info output. Although it did boot to login:.
So I did not see a common reason in these quite different symptoms.
I am sure that with -rc3 omap3 & omap5 will be ok again and I'll take a
special look at it when testing other things.
BR and thanks,
Nikolaus
^ permalink raw reply [flat|nested] 5+ messages in thread
end of thread, other threads:[~2020-11-06 9:27 UTC | newest]
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2020-11-05 23:10 [REGRESSION] opp: Allow dev_pm_opp_get_opp_table() to return -EPROBE_DEFER Andreas Kemnade
2020-11-06 4:14 ` Viresh Kumar
2020-11-06 8:44 ` [Letux-kernel] " H. Nikolaus Schaller
2020-11-06 8:58 ` Viresh Kumar
2020-11-06 9:27 ` H. Nikolaus Schaller
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