linux-kernel - Re: [PATCH 0/3] Introduce SET_NOIRQ_SYSTEM_SLEEP_PM

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Date:	Tue, 28 Apr 2015 09:40:39 +0200
From:	Ulf Hansson <ulf.hansson@...aro.org>
To:	Grygorii Strashko <grygorii.strashko@...aro.org>
Cc:	"Rafael J. Wysocki" <rjw@...ysocki.net>,
	Pavel Machek <pavel@....cz>, Len Brown <len.brown@...el.com>,
	"linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	linux-omap <linux-omap@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Tony Lindgren <tony@...mide.com>, Nishanth Menon <nm@...com>,
	Kevin Hilman <khilman@...aro.org>,
	Santosh Shilimkar <ssantosh@...nel.org>
Subject: Re: [PATCH 0/3] Introduce SET_NOIRQ_SYSTEM_SLEEP_PM_OPS and use it

On 27 April 2015 at 20:24,  <grygorii.strashko@...aro.org> wrote:
> From: Grygorii Strashko <grygorii.strashko@...aro.org>
>
> While working on suspend-to-disk functionality on TI dra7-evm (DRA7xx SoC)
> i've found that the most common problem I have to dial with is absence
> of corresponding PM callbacks in drivers and, in particular, noirq callbacks.
> So, I've fixed one driver first
> commit 6248015d6867 "ARM: omap-device: add missed callback for suspend-to-disk"
> but then found another one which need to be fixed too (omap_l3_noc.c).
> At this moment I decided to make my life easier and added new macro
> SET_NOIRQ_SYSTEM_SLEEP_PM_OPS using the same approach as for the existing
> SET_SYSTEM_SLEEP_PM_OPS macro.
>
> SET_NOIRQ_SYSTEM_SLEEP_PM_OPS: defined for CONFIG_PM_SLEEP and
> assigns ->suspend_noirq, ->freeze_noirq and ->poweroff_noirq to the same
> function. Vice versa happens for ->resume_noirq, ->thaw_noirq and
> ->restore_noirq.
>
> Further two patches reuse this newly introduced macro.
>
> SET_NOIRQ_SYSTEM_SLEEP_PM_OPS, defined for CONFIG_PM_SLEEP, will
>     point ->suspend_noirq, ->freeze_noirq and ->poweroff_noirq to the same
>     function. Vice versa happens for ->resume_noirq, ->thaw_noirq and
>     ->restore_noirq.
>
> Cc: Tony Lindgren <tony@...mide.com>
> Cc: Nishanth Menon <nm@...com>
> Cc: Kevin Hilman <khilman@...aro.org>
> Cc: Santosh Shilimkar <ssantosh@...nel.org>
>
> Grygorii Strashko (3):
>   PM / Sleep: Add macro to define common noirq system PM callbacks
>   bus: omap_l3_noc: add missed callbacks for suspend-to-disk
>   ARM: omap-device: use SET_NOIRQ_SYSTEM_SLEEP_PM_OPS
>
>  arch/arm/mach-omap2/omap_device.c |  7 ++-----
>  drivers/bus/omap_l3_noc.c         |  4 ++--
>  include/linux/pm.h                | 12 ++++++++++++
>  3 files changed, 16 insertions(+), 7 deletions(-)
>
> --
> 1.9.1
>

For the patchset.

Reviewed-by: Ulf Hansson <ulf.hansson@...aro.org>

Kind regards
Uffe
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