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
WARNING: multiple messages have this Message-ID (diff)
From: sudeep.holla@arm.com (Sudeep Holla)
To: linux-arm-kernel@lists.infradead.org
Subject: [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
next prev parent reply other threads:[~2017-02-22 14:35 UTC|newest]
Thread overview: 145+ 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 ` 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 ` Geert Uytterhoeven
2017-02-20 20:33 ` [PATCH/RFC 2/6] PM / Wakeup: Add wakeup_source_available() Geert Uytterhoeven
2017-02-20 20:33 ` Geert Uytterhoeven
2017-02-20 20:33 ` [PATCH/RFC 3/6] drivers: firmware: psci: Implement shallow suspend mode Geert Uytterhoeven
2017-02-20 20:33 ` Geert Uytterhoeven
2017-02-21 10:42 ` Sudeep Holla
2017-02-21 10:42 ` Sudeep Holla
2017-02-21 16:23 ` Geert Uytterhoeven
2017-02-21 16:23 ` Geert Uytterhoeven
2017-02-21 16:23 ` Geert Uytterhoeven
2017-02-21 16:51 ` Sudeep Holla
2017-02-21 16:51 ` Sudeep Holla
2017-02-21 16:51 ` Sudeep Holla
2017-02-21 11:07 ` Pavel Machek
2017-02-21 11:07 ` Pavel Machek
2017-02-21 11:07 ` Pavel Machek
2017-02-21 11:14 ` Sudeep Holla
2017-02-21 11:14 ` Sudeep Holla
2017-02-21 11:14 ` Sudeep Holla
2017-02-21 16:32 ` Geert Uytterhoeven
2017-02-21 16:32 ` Geert Uytterhoeven
2017-02-21 16:32 ` Geert Uytterhoeven
2017-02-21 17:20 ` Mark Rutland
2017-02-21 17:20 ` Mark Rutland
2017-02-21 17:20 ` Mark Rutland
2017-02-21 17:20 ` Mark Rutland
2017-02-21 18:06 ` Geert Uytterhoeven
2017-02-21 18:06 ` Geert Uytterhoeven
2017-02-21 18:06 ` Geert Uytterhoeven
2017-02-21 18:06 ` Geert Uytterhoeven
2017-02-21 18:18 ` Mark Rutland
2017-02-21 18:18 ` Mark Rutland
2017-02-21 18:18 ` Mark Rutland
2017-02-21 18:23 ` Geert Uytterhoeven
2017-02-21 18:23 ` Geert Uytterhoeven
2017-02-21 18:23 ` Geert Uytterhoeven
2017-02-21 18:23 ` Geert Uytterhoeven
2017-02-21 17:22 ` Sudeep Holla
2017-02-21 17:22 ` Sudeep Holla
2017-02-21 17:22 ` Sudeep Holla
2017-02-21 17:22 ` Sudeep Holla
2017-02-22 13:47 ` Geert Uytterhoeven
2017-02-22 13:47 ` Geert Uytterhoeven
2017-02-22 13:47 ` Geert Uytterhoeven
2017-02-22 14:35 ` Sudeep Holla [this message]
2017-02-22 14:35 ` Sudeep Holla
2017-02-22 14:35 ` Sudeep Holla
2017-02-20 20:33 ` [PATCH/RFC 4/6] drivers: firmware: psci: Fix non-PMIC wake-up if SYSTEM_SUSPEND cuts power Geert Uytterhoeven
2017-02-20 20:33 ` Geert Uytterhoeven
2017-02-21 10:50 ` Sudeep Holla
2017-02-21 10:50 ` Sudeep Holla
2017-02-21 16:36 ` Geert Uytterhoeven
2017-02-21 16:36 ` Geert Uytterhoeven
2017-02-21 16:36 ` Geert Uytterhoeven
2017-02-21 16:49 ` Sudeep Holla
2017-02-21 16:49 ` Sudeep Holla
2017-02-21 16:49 ` Sudeep Holla
2017-02-21 11:07 ` Pavel Machek
2017-02-21 11:07 ` Pavel Machek
2017-02-21 16:36 ` Geert Uytterhoeven
2017-02-21 16:36 ` Geert Uytterhoeven
2017-02-21 16:36 ` Geert Uytterhoeven
2017-02-21 17:54 ` Mark Rutland
2017-02-21 17:54 ` Mark Rutland
2017-02-21 17:48 ` Mark Rutland
2017-02-21 17:48 ` Mark Rutland
2017-02-22 14:05 ` Geert Uytterhoeven
2017-02-22 14:05 ` Geert Uytterhoeven
2017-02-22 14:05 ` Geert Uytterhoeven
2017-02-22 14:57 ` Rafael J. Wysocki
2017-02-22 14:57 ` Rafael J. Wysocki
2017-02-22 14:57 ` Rafael J. Wysocki
2017-02-22 14:57 ` Rafael J. Wysocki
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 ` Geert Uytterhoeven
2017-02-20 20:33 ` Geert Uytterhoeven
2017-02-20 20:33 ` [PATCH/RFC 6/6] arm64: dts: r8a7796: " Geert Uytterhoeven
2017-02-20 20:33 ` 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 10:38 ` Sudeep Holla
2017-02-21 16:21 ` Geert Uytterhoeven
2017-02-21 16:21 ` Geert Uytterhoeven
2017-02-21 16:21 ` Geert Uytterhoeven
2017-02-21 16:45 ` Sudeep Holla
2017-02-21 16:45 ` Sudeep Holla
2017-02-21 16:45 ` Sudeep Holla
2017-02-21 16:45 ` Sudeep Holla
2017-02-21 17:34 ` Geert Uytterhoeven
2017-02-21 17:34 ` Geert Uytterhoeven
2017-02-21 17:34 ` Geert Uytterhoeven
2017-02-21 17:51 ` Sudeep Holla
2017-02-21 17:51 ` Sudeep Holla
2017-02-21 17:51 ` Sudeep Holla
2017-02-21 18:27 ` Sudeep Holla
2017-02-21 18:27 ` Sudeep Holla
2017-02-21 18:27 ` Sudeep Holla
2017-02-21 18:27 ` Sudeep Holla
2017-02-21 18:45 ` Sudeep Holla
2017-02-21 18:45 ` Sudeep Holla
2017-02-21 18:45 ` Sudeep Holla
2017-02-21 18:45 ` Sudeep Holla
2017-02-22 1:14 ` Rafael J. Wysocki
2017-02-22 1:14 ` Rafael J. Wysocki
2017-02-22 1:14 ` Rafael J. Wysocki
2017-02-22 11:03 ` Sudeep Holla
2017-02-22 11:03 ` Sudeep Holla
2017-02-22 11:03 ` Sudeep Holla
2017-02-22 13:38 ` Geert Uytterhoeven
2017-02-22 13:38 ` Geert Uytterhoeven
2017-02-22 13:38 ` Geert Uytterhoeven
2017-02-22 14:32 ` Sudeep Holla
2017-02-22 14:32 ` Sudeep Holla
2017-02-22 14:32 ` Sudeep Holla
2017-02-22 14:32 ` Sudeep Holla
2017-02-22 14:50 ` Rafael J. Wysocki
2017-02-22 14:50 ` Rafael J. Wysocki
2017-02-22 14:50 ` Rafael J. Wysocki
2017-02-22 14:50 ` Rafael J. Wysocki
2017-02-22 15:24 ` Sudeep Holla
2017-02-22 15:24 ` Sudeep Holla
2017-02-22 15:24 ` Sudeep Holla
2017-02-22 15:24 ` Sudeep Holla
2017-02-23 15:26 ` Geert Uytterhoeven
2017-02-23 15:26 ` Geert Uytterhoeven
2017-02-23 15:26 ` Geert Uytterhoeven
2017-02-23 15:34 ` Geert Uytterhoeven
2017-02-23 15:34 ` Geert Uytterhoeven
2017-02-23 15:34 ` Geert Uytterhoeven
2017-02-23 15:58 ` Sudeep Holla
2017-02-23 15:58 ` Sudeep Holla
2017-02-23 15:58 ` Sudeep Holla
2017-02-23 15:53 ` Sudeep Holla
2017-02-23 15:53 ` Sudeep Holla
2017-02-23 15:53 ` Sudeep Holla
2017-02-23 15:53 ` Sudeep Holla
2017-02-22 13:14 ` Geert Uytterhoeven
2017-02-22 13:14 ` Geert Uytterhoeven
2017-02-22 13:14 ` Geert Uytterhoeven
2017-02-22 14:31 ` Rafael J. Wysocki
2017-02-22 14:31 ` Rafael J. Wysocki
2017-02-22 14:31 ` Rafael J. Wysocki
2017-02-22 14:31 ` Rafael J. Wysocki
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