linux-kernel - Re: [PATCH v2] PM / sleep: Rename symbols, functions and variables related to sleep

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Message-ID: <20140801202001.GA13738@amd.pavel.ucw.cz>
Date:	Fri, 1 Aug 2014 22:20:01 +0200
From:	Pavel Machek <pavel@....cz>
To:	"Rafael J. Wysocki" <rjw@...ysocki.net>
Cc:	Linux PM list <linux-pm@...r.kernel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	Zhang Rui <rui.zhang@...el.com>
Subject: Re: [PATCH v2] PM / sleep: Rename symbols, functions and variables
 related to sleep

On Fri 2014-08-01 16:33:12, Rafael J. Wysocki wrote:
> From: Rafael J. Wysocki <rafael.j.wysocki@...el.com>
> 
> The names of several symbols, data types, functions and variables
> related to system sleep states are confusing and don't reflect the
> real behavior of those states correctly.
> 
> First of all, there generally are two sleep states that require
> platform support and one sleep state that is platform-independent.
> The first two of them are currently known as MEM and STANDBY,
> although these names really only match what the states do on full
> hardware ACPI compliant systems.  MEM in particular is supposed
> to mean "suspend-to-RAM", but in fact it means "the deepest sleep
> state available with platform support".  The definition of STANDBY
> is even more arbitrary.
> 
> Moreover, the remaining sleep state that doesn't need platform support
> is currently called FREEZE, which leads to double confusion with the
> process freezer (used during transitions to all sleep states) and
> with the freeze stage of processing devices during hibernation.
> 
> For these reasons, rename the PM_SUSPEND_MEM, PM_SUSPEND_STANDBY
> and PM_SUSPEND_FREEZE symbols to PM_SUSPEND_DEEP, PM_SUSPEND_SHALLOW
> and PM_IDLE_SLEEP, respectively, everywhere and rename data types,
> functions and variables related to those states to match the new names
> of the symbols.
> 
> This is a semi-mechanical replacement of names and it should not lead
> to any functional differences.
> 
> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@...el.com>

Acked-by: Pavel Machek <pavel@....cz>

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