From: Biwen Li <[email protected]>
Add flag IRQCHIP_SKIP_SET_WAKE to remove call trace as follow,
...
[ 45.605239] Unbalanced IRQ 120 wake disable
[ 45.609445] WARNING: CPU: 0 PID: 1124 at kernel/irq/manage.c:800 irq_set_irq_wake+0x154/0x1a0
...
[ 45.645141] pstate: 60000085 (nZCv daIf -PAN -UAO -TCO BTYPE=--)
[ 45.651144] pc : irq_set_irq_wake+0x154/0x1a0
[ 45.655497] lr : irq_set_irq_wake+0x154/0x1a0
...
[ 45.742825] Call trace:
[ 45.745268] irq_set_irq_wake+0x154/0x1a0
[ 45.749278] ds3232_resume+0x38/0x50
On ls2088ardb:
In suspend progress(# echo mem > /sys/power/state),
pm_suspend()->suspend_devices_and_enter()->dpm_suspend()->device_suspend()
->ds3232_suspend()->enable_irq_wake()->irq_set_irq_wake()
->set_irq_wake_real(), return -ENXIO, there get
"Cannot set wakeup source" in ds3232_suspend().
In resume progress(wakeup by flextimer)
dpm_resume_end()->dpm_resume()
->device_resume()->ds3232_resume()
->disable_irq_wake()->irq_set_irq_wake()
->set_irq_wake_real(), there get
kernel call trace(Unbalanced IRQ 120 wake
disable)
Signed-off-by: Biwen Li <[email protected]>
---
Change in v2:
- update description
drivers/irqchip/irq-ls-extirq.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/irqchip/irq-ls-extirq.c b/drivers/irqchip/irq-ls-extirq.c
index 564e6de0bd8e..3c6ed7b4744d 100644
--- a/drivers/irqchip/irq-ls-extirq.c
+++ b/drivers/irqchip/irq-ls-extirq.c
@@ -65,7 +65,7 @@ static struct irq_chip ls_extirq_chip = {
.irq_set_type = ls_extirq_set_type,
.irq_retrigger = irq_chip_retrigger_hierarchy,
.irq_set_affinity = irq_chip_set_affinity_parent,
- .flags = IRQCHIP_SET_TYPE_MASKED,
+ .flags = IRQCHIP_SET_TYPE_MASKED | IRQCHIP_SKIP_SET_WAKE,
};
static int
--
2.17.1
On 2021-01-27 08:58, Biwen Li wrote:
> From: Biwen Li <[email protected]>
>
> Add flag IRQCHIP_SKIP_SET_WAKE to remove call trace as follow,
> ...
> [ 45.605239] Unbalanced IRQ 120 wake disable
> [ 45.609445] WARNING: CPU: 0 PID: 1124 at kernel/irq/manage.c:800
> irq_set_irq_wake+0x154/0x1a0
> ...
> [ 45.645141] pstate: 60000085 (nZCv daIf -PAN -UAO -TCO BTYPE=--)
> [ 45.651144] pc : irq_set_irq_wake+0x154/0x1a0
> [ 45.655497] lr : irq_set_irq_wake+0x154/0x1a0
> ...
> [ 45.742825] Call trace:
> [ 45.745268] irq_set_irq_wake+0x154/0x1a0
> [ 45.749278] ds3232_resume+0x38/0x50
>
> On ls2088ardb:
> In suspend progress(# echo mem > /sys/power/state),
> pm_suspend()->suspend_devices_and_enter()->dpm_suspend()->device_suspend()
> ->ds3232_suspend()->enable_irq_wake()->irq_set_irq_wake()
> ->set_irq_wake_real(), return -ENXIO, there get
> "Cannot set wakeup source" in ds3232_suspend().
>
> In resume progress(wakeup by flextimer)
> dpm_resume_end()->dpm_resume()
> ->device_resume()->ds3232_resume()
> ->disable_irq_wake()->irq_set_irq_wake()
> ->set_irq_wake_real(), there get
> kernel call trace(Unbalanced IRQ 120 wake
> disable)
This is again paraphrasing the stack trace instead of explaining
the problem it fixes. How about:
"The ls-extirq driver doesn't implement the irq_set_wake()
callback, while being wake-up capable. This results in
ugly behaviours across suspend/resume cycles.
Advertise this by adding IRQCHIP_SKIP_SET_WAKE to the irqchip
flags"
The subject line should be fixed along the same lines, and
a Fixes: tag added.
M.
--
Jazz is not dead. It just smells funny...
> -----Original Message-----
> From: Marc Zyngier <[email protected]>
> Sent: 2021??1??27?? 19:38
> To: Biwen Li (OSS) <[email protected]>
> Cc: [email protected]; Leo Li <[email protected]>; [email protected];
> [email protected]; [email protected]; Jiafei Pan
> <[email protected]>; [email protected]; Ran Wang
> <[email protected]>; Biwen Li <[email protected]>
> Subject: Re: [v2] irqchip: ls-extirq: add flag IRQCHIP_SKIP_SET_WAKE to
> remove call trace
>
> On 2021-01-27 08:58, Biwen Li wrote:
> > From: Biwen Li <[email protected]>
> >
> > Add flag IRQCHIP_SKIP_SET_WAKE to remove call trace as follow, ...
> > [ 45.605239] Unbalanced IRQ 120 wake disable
> > [ 45.609445] WARNING: CPU: 0 PID: 1124 at kernel/irq/manage.c:800
> > irq_set_irq_wake+0x154/0x1a0
> > ...
> > [ 45.645141] pstate: 60000085 (nZCv daIf -PAN -UAO -TCO BTYPE=--)
> > [ 45.651144] pc : irq_set_irq_wake+0x154/0x1a0
> > [ 45.655497] lr : irq_set_irq_wake+0x154/0x1a0
> > ...
> > [ 45.742825] Call trace:
> > [ 45.745268] irq_set_irq_wake+0x154/0x1a0
> > [ 45.749278] ds3232_resume+0x38/0x50
> >
> > On ls2088ardb:
> > In suspend progress(# echo mem > /sys/power/state),
> >
> pm_suspend()->suspend_devices_and_enter()->dpm_suspend()->device_suspe
> > nd()
> > ->ds3232_suspend()->enable_irq_wake()->irq_set_irq_wake()
> > ->set_irq_wake_real(), return -ENXIO, there get
> > "Cannot set wakeup source" in ds3232_suspend().
> >
> > In resume progress(wakeup by flextimer)
> > dpm_resume_end()->dpm_resume()
> > ->device_resume()->ds3232_resume()
> > ->disable_irq_wake()->irq_set_irq_wake()
> > ->set_irq_wake_real(), there get
> > kernel call trace(Unbalanced IRQ 120 wake
> > disable)
>
> This is again paraphrasing the stack trace instead of explaining the problem it
> fixes. How about:
>
> "The ls-extirq driver doesn't implement the irq_set_wake()
> callback, while being wake-up capable. This results in
> ugly behaviours across suspend/resume cycles.
>
> Advertise this by adding IRQCHIP_SKIP_SET_WAKE to the irqchip
> flags"
>
> The subject line should be fixed along the same lines, and a Fixes: tag added.
Okay, got it. Thanks. Will update in v3.
>
> M.
> --
> Jazz is not dead. It just smells funny...
On 2021-01-28 02:37, Biwen Li (OSS) wrote:
>> -----Original Message-----
>> From: Marc Zyngier <[email protected]>
>> Sent: 2021年1月27日 19:38
>> To: Biwen Li (OSS) <[email protected]>
>> Cc: [email protected]; Leo Li <[email protected]>;
>> [email protected];
>> [email protected]; [email protected]; Jiafei Pan
>> <[email protected]>; [email protected]; Ran Wang
>> <[email protected]>; Biwen Li <[email protected]>
>> Subject: Re: [v2] irqchip: ls-extirq: add flag IRQCHIP_SKIP_SET_WAKE
>> to
>> remove call trace
>>
>> On 2021-01-27 08:58, Biwen Li wrote:
>> > From: Biwen Li <[email protected]>
>> >
>> > Add flag IRQCHIP_SKIP_SET_WAKE to remove call trace as follow, ...
>> > [ 45.605239] Unbalanced IRQ 120 wake disable
>> > [ 45.609445] WARNING: CPU: 0 PID: 1124 at kernel/irq/manage.c:800
>> > irq_set_irq_wake+0x154/0x1a0
>> > ...
>> > [ 45.645141] pstate: 60000085 (nZCv daIf -PAN -UAO -TCO BTYPE=--)
>> > [ 45.651144] pc : irq_set_irq_wake+0x154/0x1a0
>> > [ 45.655497] lr : irq_set_irq_wake+0x154/0x1a0
>> > ...
>> > [ 45.742825] Call trace:
>> > [ 45.745268] irq_set_irq_wake+0x154/0x1a0
>> > [ 45.749278] ds3232_resume+0x38/0x50
>> >
>> > On ls2088ardb:
>> > In suspend progress(# echo mem > /sys/power/state),
>> >
>> pm_suspend()->suspend_devices_and_enter()->dpm_suspend()->device_suspe
>> > nd()
>> > ->ds3232_suspend()->enable_irq_wake()->irq_set_irq_wake()
>> > ->set_irq_wake_real(), return -ENXIO, there get
>> > "Cannot set wakeup source" in ds3232_suspend().
>> >
>> > In resume progress(wakeup by flextimer)
>> > dpm_resume_end()->dpm_resume()
>> > ->device_resume()->ds3232_resume()
>> > ->disable_irq_wake()->irq_set_irq_wake()
>> > ->set_irq_wake_real(), there get
>> > kernel call trace(Unbalanced IRQ 120 wake
>> > disable)
>>
>> This is again paraphrasing the stack trace instead of explaining the
>> problem it
>> fixes. How about:
>>
>> "The ls-extirq driver doesn't implement the irq_set_wake()
>> callback, while being wake-up capable. This results in
>> ugly behaviours across suspend/resume cycles.
>>
>> Advertise this by adding IRQCHIP_SKIP_SET_WAKE to the irqchip
>> flags"
>>
>> The subject line should be fixed along the same lines, and a Fixes:
>> tag added.
> Okay, got it. Thanks. Will update in v3.
... and v3 still doesn't have a Fixes: tag.
Frankly, if you can't be bothered to do this, why should I worry
about your platform being broken?
M.
--
Jazz is not dead. It just smells funny...
> -----Original Message-----
> From: Marc Zyngier <[email protected]>
> Sent: 2021年1月28日 17:02
> To: Biwen Li (OSS) <[email protected]>
> Cc: [email protected]; Leo Li <[email protected]>; [email protected];
> [email protected]; Jiafei Pan <[email protected]>;
> [email protected]; Ran Wang <[email protected]>
> Subject: Re: [v2] irqchip: ls-extirq: add flag IRQCHIP_SKIP_SET_WAKE to
> remove call trace
>
> On 2021-01-28 02:37, Biwen Li (OSS) wrote:
> >> -----Original Message-----
> >> From: Marc Zyngier <[email protected]>
> >> Sent: 2021年1月27日 19:38
> >> To: Biwen Li (OSS) <[email protected]>
> >> Cc: [email protected]; Leo Li <[email protected]>;
> >> [email protected]; [email protected];
> >> [email protected]; Jiafei Pan <[email protected]>;
> >> [email protected]; Ran Wang <[email protected]>;
> >> Biwen Li <[email protected]>
> >> Subject: Re: [v2] irqchip: ls-extirq: add flag IRQCHIP_SKIP_SET_WAKE
> >> to remove call trace
> >>
> >> On 2021-01-27 08:58, Biwen Li wrote:
> >> > From: Biwen Li <[email protected]>
> >> >
> >> > Add flag IRQCHIP_SKIP_SET_WAKE to remove call trace as follow, ...
> >> > [ 45.605239] Unbalanced IRQ 120 wake disable
> >> > [ 45.609445] WARNING: CPU: 0 PID: 1124 at kernel/irq/manage.c:800
> >> > irq_set_irq_wake+0x154/0x1a0
> >> > ...
> >> > [ 45.645141] pstate: 60000085 (nZCv daIf -PAN -UAO -TCO BTYPE=--)
> >> > [ 45.651144] pc : irq_set_irq_wake+0x154/0x1a0
> >> > [ 45.655497] lr : irq_set_irq_wake+0x154/0x1a0
> >> > ...
> >> > [ 45.742825] Call trace:
> >> > [ 45.745268] irq_set_irq_wake+0x154/0x1a0
> >> > [ 45.749278] ds3232_resume+0x38/0x50
> >> >
> >> > On ls2088ardb:
> >> > In suspend progress(# echo mem > /sys/power/state),
> >> >
> >>
> pm_suspend()->suspend_devices_and_enter()->dpm_suspend()->device_susp
> >> e
> >> > nd()
> >> > ->ds3232_suspend()->enable_irq_wake()->irq_set_irq_wake()
> >> > ->set_irq_wake_real(), return -ENXIO, there get
> >> > "Cannot set wakeup source" in ds3232_suspend().
> >> >
> >> > In resume progress(wakeup by flextimer)
> >> > dpm_resume_end()->dpm_resume()
> >> > ->device_resume()->ds3232_resume()
> >> > ->disable_irq_wake()->irq_set_irq_wake()
> >> > ->set_irq_wake_real(), there get
> >> > kernel call trace(Unbalanced IRQ 120 wake
> >> > disable)
> >>
> >> This is again paraphrasing the stack trace instead of explaining the
> >> problem it fixes. How about:
> >>
> >> "The ls-extirq driver doesn't implement the irq_set_wake()
> >> callback, while being wake-up capable. This results in
> >> ugly behaviours across suspend/resume cycles.
> >>
> >> Advertise this by adding IRQCHIP_SKIP_SET_WAKE to the irqchip
> >> flags"
> >>
> >> The subject line should be fixed along the same lines, and a Fixes:
> >> tag added.
> > Okay, got it. Thanks. Will update in v3.
>
> ... and v3 still doesn't have a Fixes: tag.
>
> Frankly, if you can't be bothered to do this, why should I worry about your
> platform being broken?
Oh, sorry. Don't know how to add a fixes? Any suggestions? Thanks.
>
> M.
> --
> Jazz is not dead. It just smells funny...