linux-kernel - Re: [PATCH 1/4] PM / s2idle: Rename PM_SUSPEND_FREEZE to PM_SUSPEND

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Date:   Mon, 7 Aug 2017 13:57:21 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Peter Zijlstra <peterz@...radead.org>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux PM <linux-pm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Linux ACPI <linux-acpi@...r.kernel.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
        Jacob Pan <jacob.jun.pan@...ux.intel.com>,
        Len Brown <lenb@...nel.org>,
        Daniel Lezcano <daniel.lezcano@...aro.org>
Subject: Re: [PATCH 1/4] PM / s2idle: Rename PM_SUSPEND_FREEZE to PM_SUSPEND_S2IDLE

On Mon, Aug 7, 2017 at 10:49 AM, Peter Zijlstra <peterz@...radead.org> wrote:
> On Sat, Aug 05, 2017 at 02:56:43PM +0200, Rafael J. Wysocki wrote:
>> From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
>>
>> To make it clear that the symbol in question refers to
>> suspend-to-idle, rename it from PM_SUSPEND_FREEZE to
>> PM_SUSPEND_S2IDLE.
>>
>> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
>> ---
>>  drivers/acpi/sleep.c             |    2 -
>>  drivers/regulator/of_regulator.c |    2 -
>>  include/linux/suspend.h          |    4 +--
>>  kernel/power/suspend.c           |   44 +++++++++++++++++++--------------------
>>  kernel/power/suspend_test.c      |    4 +--
>>  5 files changed, 28 insertions(+), 28 deletions(-)
>>
>> Index: linux-pm/include/linux/suspend.h
>> ===================================================================
>> --- linux-pm.orig/include/linux/suspend.h
>> +++ linux-pm/include/linux/suspend.h
>> @@ -33,10 +33,10 @@ static inline void pm_restore_console(vo
>>  typedef int __bitwise suspend_state_t;
>>
>>  #define PM_SUSPEND_ON                ((__force suspend_state_t) 0)
>> -#define PM_SUSPEND_FREEZE    ((__force suspend_state_t) 1)
>> +#define PM_SUSPEND_S2IDLE    ((__force suspend_state_t) 1)
>>  #define PM_SUSPEND_STANDBY   ((__force suspend_state_t) 2)
>>  #define PM_SUSPEND_MEM               ((__force suspend_state_t) 3)
>
> I feel something like PM_SUSPEND_IDLE is more consistent with the
> existing PM_SUSPEND_MEM. Also the proposed PM_SUSPEND_S2IDLE has
> 'SUSPEND' in it twice, so at the very least it should be
> PM_SUSPEND_2IDLE :-)
>
>
>> -#define PM_SUSPEND_MIN               PM_SUSPEND_FREEZE
>> +#define PM_SUSPEND_MIN               PM_SUSPEND_S2IDLE
>>  #define PM_SUSPEND_MAX               ((__force suspend_state_t) 4)

OK, I can call it PM_SUSPEND_IDLE no problem.