linux-kernel - Re: [PATCH v2 3/5] thermal: core: Remove old uapi generic netlink

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Message-ID: <0fe6837f-9b44-4578-23f2-3e4932d01122@linaro.org>
Date:   Wed, 1 Jul 2020 11:26:50 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Amit Kucheria <amit.kucheria@...aro.org>
Cc:     Zhang Rui <rui.zhang@...el.com>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Ram Chandrasekar <rkumbako@...eaurora.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 3/5] thermal: core: Remove old uapi generic netlink

On 30/06/2020 13:47, Amit Kucheria wrote:
> On Thu, Jun 25, 2020 at 8:15 PM Daniel Lezcano
> <daniel.lezcano@...aro.org> wrote:
>>
>> In order to set the scene for the new generic netlink thermal
>> management and notifications, let remove the old dead code remaining
> 
> s/management/management api/
> 
> s/let/let's/
> 
>> in the uapi headers.
>>
>> Signed-off-by: Daniel Lezcano <daniel.lezcano@...aro.org>
>> ---
>>  include/linux/thermal.h      |  5 -----
>>  include/uapi/linux/thermal.h | 12 +-----------
>>  2 files changed, 1 insertion(+), 16 deletions(-)
>>
>> diff --git a/include/linux/thermal.h b/include/linux/thermal.h
>> index faf7ad031e42..fc93a6348082 100644
>> --- a/include/linux/thermal.h
>> +++ b/include/linux/thermal.h
>> @@ -302,11 +302,6 @@ struct thermal_zone_params {
>>         int offset;
>>  };
>>
>> -struct thermal_genl_event {
>> -       u32 orig;
>> -       enum events event;
>> -};
>> -
>>  /**
>>   * struct thermal_zone_of_device_ops - scallbacks for handling DT based zones
>>   *
>> diff --git a/include/uapi/linux/thermal.h b/include/uapi/linux/thermal.h
>> index 96218378dda8..22df67ed9e9c 100644
>> --- a/include/uapi/linux/thermal.h
>> +++ b/include/uapi/linux/thermal.h
>> @@ -6,21 +6,12 @@
>>
>>  /* Adding event notification support elements */
>>  #define THERMAL_GENL_FAMILY_NAME                "thermal_event"
>> -#define THERMAL_GENL_VERSION                    0x01
>> +#define THERMAL_GENL_VERSION                    0x02
> 
> This hunk should be removed since you set version back to 1 in the
> next patch and we don't actually intend to bump the version yet.

Well, I've been very strict here for git-bisecting.

I move to V2 because of the removal, but when adding the new genetlink
code, the family name changed, so we returned back to the V1 as it is a
new genetlink thermal brand.

The name is change because it is no longer event based but also sampling
and commands.

>>  #define THERMAL_GENL_MCAST_GROUP_NAME           "thermal_mc_grp"
>>
>> -/* Events supported by Thermal Netlink */
>> -enum events {
>> -       THERMAL_AUX0,
>> -       THERMAL_AUX1,
>> -       THERMAL_CRITICAL,
>> -       THERMAL_DEV_FAULT,
>> -};
>> -
>>  /* attributes of thermal_genl_family */
>>  enum {
>>         THERMAL_GENL_ATTR_UNSPEC,
>> -       THERMAL_GENL_ATTR_EVENT,
>>         __THERMAL_GENL_ATTR_MAX,
>>  };
>>  #define THERMAL_GENL_ATTR_MAX (__THERMAL_GENL_ATTR_MAX - 1)
>> @@ -28,7 +19,6 @@ enum {
>>  /* commands supported by the thermal_genl_family */
>>  enum {
>>         THERMAL_GENL_CMD_UNSPEC,
>> -       THERMAL_GENL_CMD_EVENT,
>>         __THERMAL_GENL_CMD_MAX,
>>  };
>>  #define THERMAL_GENL_CMD_MAX (__THERMAL_GENL_CMD_MAX - 1)
>> --
>> 2.17.1
>>


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