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From: Sudeep Holla <sudeep.holla@arm.com>
To: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Sudeep Holla <sudeep.holla@arm.com>, Pavel Machek <pavel@ucw.cz>,
	Geert Uytterhoeven <geert+renesas@glider.be>,
	Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Lina Iyer <lina.iyer@linaro.org>,
	John Stultz <john.stultz@linaro.org>,
	Thomas Gleixner <tglx@linutronix.de>,
	"Rafael J . Wysocki" <rjw@rjwysocki.net>,
	Len Brown <len.brown@intel.com>, Rob Herring <robh+dt@kernel.org>,
	Magnus Damm <magnus.damm@gmail.com>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	"linux-arm-kernel@lists.infradead.org"
	<linux-arm-kernel@lists.infradead.org>,
	Linux-Renesas <linux-renesas-soc@vger.kernel.org>,
	Linux PM list <linux-pm@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH/RFC 3/6] drivers: firmware: psci: Implement shallow suspend mode
Date: Wed, 22 Feb 2017 14:35:37 +0000	[thread overview]
Message-ID: <a2e09969-3a67-6947-4dd8-2a153d1f48e7@arm.com> (raw)
In-Reply-To: <CAMuHMdU0fTtEXN9k477e3S-UUMNhd=U4_r0VOcyA1TGEgA5rmA@mail.gmail.com>



On 22/02/17 13:47, Geert Uytterhoeven wrote:
> Hi Sudeep,
> 
> On Tue, Feb 21, 2017 at 6:22 PM, Sudeep Holla <sudeep.holla@arm.com> wrote:

[...]

>>
>> IIUC, it's not implemented today. I can't talk about future ;), but your
> 
> Good, so there's no need for the DT property, and drivers/firmware/psci.c
> should aways call do_cpu_idle() instead of PSCI SYSTEM_SUSPEND if any
> other wake-up sources are configured?
> 

No.

> That follows the principle of least surprise: it doesn't leave the user with
> a system that won't wake up the way he configured it to wake up.
> 

But he can still wake up with the "switch" so there's no surprise. He
just need to better understand his system before playing with it ;)

-- 
Regards,
Sudeep

  reply	other threads:[~2017-02-22 14:35 UTC|newest]

Thread overview: 48+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-02-20 20:33 [PATCH/RFC 0/6] PSCI: Fix non-PMIC wake-up if SYSTEM_SUSPEND cuts power Geert Uytterhoeven
2017-02-20 20:33 ` [PATCH/RFC 1/6] alarmtimer: Postpone wake-up source registration until really available Geert Uytterhoeven
2017-02-20 20:33 ` [PATCH/RFC 2/6] PM / Wakeup: Add wakeup_source_available() Geert Uytterhoeven
2017-02-20 20:33 ` [PATCH/RFC 3/6] drivers: firmware: psci: Implement shallow suspend mode Geert Uytterhoeven
2017-02-21 10:42   ` Sudeep Holla
2017-02-21 16:23     ` Geert Uytterhoeven
2017-02-21 16:51       ` Sudeep Holla
     [not found]   ` <1487622809-25127-4-git-send-email-geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>
2017-02-21 11:07     ` Pavel Machek
2017-02-21 11:14       ` Sudeep Holla
2017-02-21 16:32         ` Geert Uytterhoeven
     [not found]           ` <CAMuHMdVmu4AYZ6MZHd79N2-2gELR6s3oZ46UnEszCfLvHymY1w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-02-21 17:20             ` Mark Rutland
2017-02-21 18:06               ` Geert Uytterhoeven
2017-02-21 18:18                 ` Mark Rutland
2017-02-21 18:23                   ` Geert Uytterhoeven
2017-02-21 17:22             ` Sudeep Holla
2017-02-22 13:47               ` Geert Uytterhoeven
2017-02-22 14:35                 ` Sudeep Holla [this message]
2017-02-20 20:33 ` [PATCH/RFC 4/6] drivers: firmware: psci: Fix non-PMIC wake-up if SYSTEM_SUSPEND cuts power Geert Uytterhoeven
2017-02-21 10:50   ` Sudeep Holla
2017-02-21 16:36     ` Geert Uytterhoeven
2017-02-21 16:49       ` Sudeep Holla
2017-02-21 11:07   ` Pavel Machek
2017-02-21 16:36     ` Geert Uytterhoeven
2017-02-21 17:54     ` Mark Rutland
2017-02-21 17:48   ` Mark Rutland
2017-02-22 14:05     ` Geert Uytterhoeven
     [not found]       ` <CAMuHMdW8JAYrgvWxi8c_ZLtsUWBYFGZ=V7pu2p+cO=NdwLas2w-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-02-22 14:57         ` Rafael J. Wysocki
     [not found] ` <1487622809-25127-1-git-send-email-geert+renesas-gXvu3+zWzMSzQB+pC5nmwQ@public.gmane.org>
2017-02-20 20:33   ` [PATCH/RFC 5/6] arm64: dts: r8a7795: Fix non-PMIC wake-up sources Geert Uytterhoeven
2017-02-20 20:33 ` [PATCH/RFC 6/6] arm64: dts: r8a7796: " Geert Uytterhoeven
2017-02-21 10:38 ` [PATCH/RFC 0/6] PSCI: Fix non-PMIC wake-up if SYSTEM_SUSPEND cuts power Sudeep Holla
2017-02-21 16:21   ` Geert Uytterhoeven
     [not found]     ` <CAMuHMdWjseO3XSOH2XCbM411Aj12RpdZZbHkpfFUfej58myz5Q-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-02-21 16:45       ` Sudeep Holla
2017-02-21 17:34         ` Geert Uytterhoeven
2017-02-21 17:51           ` Sudeep Holla
2017-02-21 18:27             ` Sudeep Holla
     [not found]               ` <94167d3a-e005-3af0-d290-a1086684d570-5wv7dgnIgG8@public.gmane.org>
2017-02-21 18:45                 ` Sudeep Holla
2017-02-22  1:14                   ` Rafael J. Wysocki
2017-02-22 11:03                     ` Sudeep Holla
2017-02-22 13:38                       ` Geert Uytterhoeven
2017-02-22 14:32                         ` Sudeep Holla
     [not found]                           ` <f649d707-8b0a-5ca9-b021-93ae8cf66b33-5wv7dgnIgG8@public.gmane.org>
2017-02-22 14:50                             ` Rafael J. Wysocki
2017-02-22 15:24                               ` Sudeep Holla
2017-02-23 15:26                           ` Geert Uytterhoeven
2017-02-23 15:34                             ` Geert Uytterhoeven
2017-02-23 15:58                               ` Sudeep Holla
2017-02-23 15:53                             ` Sudeep Holla
2017-02-22 13:14                     ` Geert Uytterhoeven
     [not found]                       ` <CAMuHMdUWMN1ZyRn=eL6MQZeZHOf5zOC=njdnuL9-9CDS2h8CMQ-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2017-02-22 14:31                         ` Rafael J. Wysocki

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