Re: [PATCH v3 17/22][UPDATE] firmware: arm_scmi: add device power domain support genpd

From: Sudeep Holla
Date: Tue Oct 10 2017 - 09:03:14 EST




On 10/10/17 12:05, Ulf Hansson wrote:
> On 29 September 2017 at 15:42, Sudeep Holla <sudeep.holla@xxxxxxx> wrote:
>> This patch hooks up the support for device power domain provided by
>> SCMI using the Linux generic power domain infrastructure.
>>
>> Cc: Kevin Hilman <khilman@xxxxxxxxxxxx>
>> Cc: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
>> Signed-off-by: Sudeep Holla <sudeep.holla@xxxxxxx>
>> ---
>> drivers/firmware/Kconfig | 13 +++
>> drivers/firmware/arm_scmi/Makefile | 1 +
>> drivers/firmware/arm_scmi/scmi_pm_domain.c | 136 +++++++++++++++++++++++++++++
>> 3 files changed, 150 insertions(+)
>> create mode 100644 drivers/firmware/arm_scmi/scmi_pm_domain.c
>>
>> - updated to read the initial state instead of assuming off as
>> suggested by Ulf
>>
>> diff --git a/drivers/firmware/Kconfig b/drivers/firmware/Kconfig
>> index c3d1a12763ce..a4462bc661c8 100644
>> --- a/drivers/firmware/Kconfig
>> +++ b/drivers/firmware/Kconfig
>> @@ -40,6 +40,19 @@ config ARM_SCMI_PROTOCOL

[..]

>> + domains[i] = &scmi_pd->genpd;
>> +
>> + scmi_pd->domain = i;
>> + scmi_pd->handle = handle;
>> + scmi_pd->name = handle->power_ops->name_get(handle, i);
>> + scmi_pd->genpd.name = scmi_pd->name;
>> + scmi_pd->genpd.power_off = scmi_pd_power_off;
>> + scmi_pd->genpd.power_on = scmi_pd_power_on;
>> +
>> + if (handle->power_ops->state_get(handle, i, &state)) {
>> + dev_dbg(dev, "failed to get state for domain %d\n", i);
>
> Perhaps dev_warn() instead?
>

Will do.

[..]

>
> Besides the nitpick above, feel free to add:
>
> Reviewed-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
>

Thanks.

--
Regards,
Sudeep