* [PATCH V1] firmware: tegra: early resume bpmp
@ 2019-06-14 12:31 Bitan Biswas
2019-06-14 15:48 ` Thierry Reding
0 siblings, 1 reply; 3+ messages in thread
From: Bitan Biswas @ 2019-06-14 12:31 UTC (permalink / raw)
To: Thierry Reding, Jonathan Hunter, Timo Alho, Sivaram Nair,
Allison Randal, Thomas Gleixner, linux-tegra, linux-kernel
Cc: Bitan Biswas
Early resume Tegra bpmp to fix Xavier clock rate error as follows:
[ 159.017101] of_serial 3110000.serial: calling platform_pm_resume+0x0/0x58 @ 317, parent: cbb
[ 159.025501] of_serial 3110000.serial: platform_pm_resume+0x0/0x58 returned 0 after 14 usecs
[ 159.033694] tegra-i2c 31c0000.i2c: calling platform_pm_resume+0x0/0x58 @ 317, parent: cbb
[ 159.042254] tegra-i2c 31c0000.i2c: failed changing clock rate: -22
[ 159.048216] PM: dpm_run_callback(): platform_pm_resume+0x0/0x58 returns -22
[ 159.055553] tegra-i2c 31c0000.i2c: platform_pm_resume+0x0/0x58 returned -22 after 13072 usecs
[ 159.063875] PM: Device 31c0000.i2c failed to resume: error -22
Signed-off-by: Bitan Biswas <bbiswas@nvidia.com>
---
drivers/firmware/tegra/bpmp.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/firmware/tegra/bpmp.c b/drivers/firmware/tegra/bpmp.c
index dd775e8..de09036 100644
--- a/drivers/firmware/tegra/bpmp.c
+++ b/drivers/firmware/tegra/bpmp.c
@@ -811,7 +811,9 @@ static int __maybe_unused tegra_bpmp_resume(struct device *dev)
return 0;
}
-static SIMPLE_DEV_PM_OPS(tegra_bpmp_pm_ops, NULL, tegra_bpmp_resume);
+const struct dev_pm_ops tegra_bpmp_pm_ops = {
+ .resume_early = tegra_bpmp_resume
+};
#if IS_ENABLED(CONFIG_ARCH_TEGRA_186_SOC) || \
IS_ENABLED(CONFIG_ARCH_TEGRA_194_SOC)
--
2.7.4
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH V1] firmware: tegra: early resume bpmp
2019-06-14 12:31 [PATCH V1] firmware: tegra: early resume bpmp Bitan Biswas
@ 2019-06-14 15:48 ` Thierry Reding
2019-06-14 16:40 ` Bitan Biswas
0 siblings, 1 reply; 3+ messages in thread
From: Thierry Reding @ 2019-06-14 15:48 UTC (permalink / raw)
To: Bitan Biswas
Cc: Thierry Reding, Jonathan Hunter, Timo Alho, Sivaram Nair,
Allison Randal, Thomas Gleixner, linux-tegra, linux-kernel
[-- Attachment #1: Type: text/plain, Size: 1474 bytes --]
On Fri, Jun 14, 2019 at 05:31:39AM -0700, Bitan Biswas wrote:
> Early resume Tegra bpmp to fix Xavier clock rate error as follows:
> [ 159.017101] of_serial 3110000.serial: calling platform_pm_resume+0x0/0x58 @ 317, parent: cbb
> [ 159.025501] of_serial 3110000.serial: platform_pm_resume+0x0/0x58 returned 0 after 14 usecs
> [ 159.033694] tegra-i2c 31c0000.i2c: calling platform_pm_resume+0x0/0x58 @ 317, parent: cbb
> [ 159.042254] tegra-i2c 31c0000.i2c: failed changing clock rate: -22
> [ 159.048216] PM: dpm_run_callback(): platform_pm_resume+0x0/0x58 returns -22
> [ 159.055553] tegra-i2c 31c0000.i2c: platform_pm_resume+0x0/0x58 returned -22 after 13072 usecs
> [ 159.063875] PM: Device 31c0000.i2c failed to resume: error -22
>
> Signed-off-by: Bitan Biswas <bbiswas@nvidia.com>
> ---
> drivers/firmware/tegra/bpmp.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/firmware/tegra/bpmp.c b/drivers/firmware/tegra/bpmp.c
> index dd775e8..de09036 100644
> --- a/drivers/firmware/tegra/bpmp.c
> +++ b/drivers/firmware/tegra/bpmp.c
> @@ -811,7 +811,9 @@ static int __maybe_unused tegra_bpmp_resume(struct device *dev)
> return 0;
> }
>
> -static SIMPLE_DEV_PM_OPS(tegra_bpmp_pm_ops, NULL, tegra_bpmp_resume);
> +const struct dev_pm_ops tegra_bpmp_pm_ops = {
> + .resume_early = tegra_bpmp_resume
> +};
I've changed this to be static while applying to for-5.3/firmware.
Thanks,
Thierry
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH V1] firmware: tegra: early resume bpmp
2019-06-14 15:48 ` Thierry Reding
@ 2019-06-14 16:40 ` Bitan Biswas
0 siblings, 0 replies; 3+ messages in thread
From: Bitan Biswas @ 2019-06-14 16:40 UTC (permalink / raw)
To: Thierry Reding
Cc: Thierry Reding, Jonathan Hunter, Timo Alho, Sivaram Nair,
Allison Randal, Thomas Gleixner, linux-tegra, linux-kernel
On 6/14/19 8:48 AM, Thierry Reding wrote:
> On Fri, Jun 14, 2019 at 05:31:39AM -0700, Bitan Biswas wrote:
>> Early resume Tegra bpmp to fix Xavier clock rate error as follows:
>> [ 159.017101] of_serial 3110000.serial: calling platform_pm_resume+0x0/0x58 @ 317, parent: cbb
>> [ 159.025501] of_serial 3110000.serial: platform_pm_resume+0x0/0x58 returned 0 after 14 usecs
>> [ 159.033694] tegra-i2c 31c0000.i2c: calling platform_pm_resume+0x0/0x58 @ 317, parent: cbb
>> [ 159.042254] tegra-i2c 31c0000.i2c: failed changing clock rate: -22
>> [ 159.048216] PM: dpm_run_callback(): platform_pm_resume+0x0/0x58 returns -22
>> [ 159.055553] tegra-i2c 31c0000.i2c: platform_pm_resume+0x0/0x58 returned -22 after 13072 usecs
>> [ 159.063875] PM: Device 31c0000.i2c failed to resume: error -22
>>
>> Signed-off-by: Bitan Biswas <bbiswas@nvidia.com>
>> ---
>> drivers/firmware/tegra/bpmp.c | 4 +++-
>> 1 file changed, 3 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/firmware/tegra/bpmp.c b/drivers/firmware/tegra/bpmp.c
>> index dd775e8..de09036 100644
>> --- a/drivers/firmware/tegra/bpmp.c
>> +++ b/drivers/firmware/tegra/bpmp.c
>> @@ -811,7 +811,9 @@ static int __maybe_unused tegra_bpmp_resume(struct device *dev)
>> return 0;
>> }
>>
>> -static SIMPLE_DEV_PM_OPS(tegra_bpmp_pm_ops, NULL, tegra_bpmp_resume);
>> +const struct dev_pm_ops tegra_bpmp_pm_ops = {
>> + .resume_early = tegra_bpmp_resume
>> +};
>
> I've changed this to be static while applying to for-5.3/firmware.
Is this patch already part of some other patch? In that case I can
abandon the patch.
Else, I shall add static keyword.
-regards,
Bitan
^ permalink raw reply [flat|nested] 3+ messages in thread
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2019-06-14 12:31 [PATCH V1] firmware: tegra: early resume bpmp Bitan Biswas
2019-06-14 15:48 ` Thierry Reding
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