From: thomas.petazzoni@free-electrons.com (Thomas Petazzoni)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH 3/5] irqchip: armada-370-xp: re-enable per-CPU interrupts at resume time
Date: Mon, 26 Oct 2015 09:27:11 +0100 [thread overview]
Message-ID: <20151026092711.04193834@free-electrons.com> (raw)
In-Reply-To: <CAPv3WKcrWqJ5Cw_kwO+JWk3iH0aprTexHTqzy-dSFmNHj4xJcg@mail.gmail.com>
Dear Marcin Wojtas,
On Mon, 26 Oct 2015 08:06:18 +0100, Marcin Wojtas wrote:
> > Good :-) Hopefully the explanation in PATCH 5/5 is also clear enough.
>
> The Ascii-art is beutiful, indeed:)
Glad to hear that my artistic skills are appreciated :)
> Yes, you are right - without any pm_ops the driver works well after
> suspend/resume in standby. However in the linux mem and standby is
> treated exactly the same as pm sleep, so the same routines are
> executed in both modes. Hence the s2ram support cannot spoil standby.
Absolutely. It would be nicer if we knew in the ->suspend() and
->resume() hooks if we're doing a standby suspend, or a mem suspend,
but IIRC, we don't have this information available.
Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
WARNING: multiple messages have this Message-ID (diff)
From: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
To: Marcin Wojtas <mw@semihalf.com>
Cc: Thomas Gleixner <tglx@linutronix.de>,
Jason Cooper <jason@lakedaemon.net>,
Marc Zyngier <marc.zyngier@arm.com>,
Lior Amsalem <alior@marvell.com>, Andrew Lunn <andrew@lunn.ch>,
Tawfik Bayouk <tawfik@marvell.com>,
linux-kernel@vger.kernel.org, Nadav Haklai <nadavh@marvell.com>,
Gregory Clement <gregory.clement@free-electrons.com>,
"linux-arm-kernel@lists.infradead.org"
<linux-arm-kernel@lists.infradead.org>,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Subject: Re: [PATCH 3/5] irqchip: armada-370-xp: re-enable per-CPU interrupts at resume time
Date: Mon, 26 Oct 2015 09:27:11 +0100 [thread overview]
Message-ID: <20151026092711.04193834@free-electrons.com> (raw)
In-Reply-To: <CAPv3WKcrWqJ5Cw_kwO+JWk3iH0aprTexHTqzy-dSFmNHj4xJcg@mail.gmail.com>
Dear Marcin Wojtas,
On Mon, 26 Oct 2015 08:06:18 +0100, Marcin Wojtas wrote:
> > Good :-) Hopefully the explanation in PATCH 5/5 is also clear enough.
>
> The Ascii-art is beutiful, indeed:)
Glad to hear that my artistic skills are appreciated :)
> Yes, you are right - without any pm_ops the driver works well after
> suspend/resume in standby. However in the linux mem and standby is
> treated exactly the same as pm sleep, so the same routines are
> executed in both modes. Hence the s2ram support cannot spoil standby.
Absolutely. It would be nicer if we knew in the ->suspend() and
->resume() hooks if we're doing a standby suspend, or a mem suspend,
but IIRC, we don't have this information available.
Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
next prev parent reply other threads:[~2015-10-26 8:27 UTC|newest]
Thread overview: 75+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-20 13:23 [PATCH 0/5] Fix regression introduced by set_irq_flags() removal Thomas Petazzoni
2015-10-20 13:23 ` Thomas Petazzoni
2015-10-20 13:23 ` [PATCH 1/5] kernel: irq: implement is_enabled_percpu_irq() Thomas Petazzoni
2015-10-20 13:23 ` Thomas Petazzoni
2015-12-08 11:57 ` [tip:irq/core] genirq: Implement irq_percpu_is_enabled() tip-bot for Thomas Petazzoni
2015-10-20 13:23 ` [PATCH 2/5] irqchip: armada-370-xp: prepare additions to armada_xp_mpic_secondary_init() Thomas Petazzoni
2015-10-20 13:23 ` Thomas Petazzoni
2015-10-20 14:00 ` Gregory CLEMENT
2015-10-20 14:00 ` Gregory CLEMENT
2015-10-20 13:23 ` [PATCH 3/5] irqchip: armada-370-xp: re-enable per-CPU interrupts at resume time Thomas Petazzoni
2015-10-20 13:23 ` Thomas Petazzoni
2015-10-20 13:46 ` Gregory CLEMENT
2015-10-20 13:46 ` Gregory CLEMENT
2015-10-20 13:50 ` Thomas Petazzoni
2015-10-20 13:50 ` Thomas Petazzoni
2015-10-25 21:22 ` Marcin Wojtas
2015-10-25 21:22 ` Marcin Wojtas
2015-10-26 0:10 ` Thomas Petazzoni
2015-10-26 0:10 ` Thomas Petazzoni
2015-10-26 4:35 ` Marcin Wojtas
2015-10-26 4:35 ` Marcin Wojtas
2015-10-26 5:09 ` Thomas Petazzoni
2015-10-26 5:09 ` Thomas Petazzoni
2015-10-26 7:06 ` Marcin Wojtas
2015-10-26 7:06 ` Marcin Wojtas
2015-10-26 8:27 ` Thomas Petazzoni [this message]
2015-10-26 8:27 ` Thomas Petazzoni
2015-10-20 13:23 ` [PATCH 4/5] irqchip: armada-370-xp: re-order register definitions Thomas Petazzoni
2015-10-20 13:23 ` Thomas Petazzoni
2015-10-20 13:55 ` Gregory CLEMENT
2015-10-20 13:55 ` Gregory CLEMENT
2015-10-20 13:23 ` [PATCH 5/5] irqchip: armada-370-xp: document the overall driver logic Thomas Petazzoni
2015-10-20 13:23 ` Thomas Petazzoni
2015-10-20 13:59 ` Gregory CLEMENT
2015-10-20 13:59 ` Gregory CLEMENT
2015-10-20 14:00 ` Thomas Petazzoni
2015-10-20 14:00 ` Thomas Petazzoni
2015-10-20 14:07 ` Jason Cooper
2015-10-20 14:07 ` Jason Cooper
2015-10-20 14:04 ` [PATCH 0/5] Fix regression introduced by set_irq_flags() removal Jason Cooper
2015-10-20 14:04 ` Jason Cooper
2015-10-20 14:08 ` Thomas Petazzoni
2015-10-20 14:08 ` Thomas Petazzoni
2015-10-20 14:17 ` Russell King - ARM Linux
2015-10-20 14:17 ` Russell King - ARM Linux
2015-10-20 14:23 ` Thomas Petazzoni
2015-10-20 14:23 ` Thomas Petazzoni
2015-10-20 19:24 ` Thomas Gleixner
2015-10-20 19:24 ` Thomas Gleixner
2015-10-22 8:01 ` Thomas Gleixner
2015-10-22 8:01 ` Thomas Gleixner
2015-10-20 19:23 ` Thomas Gleixner
2015-10-20 19:23 ` Thomas Gleixner
2015-10-21 13:48 ` [PATCH] irqchip: irq-armada-370-xp: fix regression by clearing IRQ_NOAUTOEN Thomas Petazzoni
2015-10-21 13:48 ` Thomas Petazzoni
2015-10-21 14:41 ` Jason Cooper
2015-10-21 14:41 ` Jason Cooper
2015-10-21 13:49 ` [PATCH 0/5] Fix regression introduced by set_irq_flags() removal Thomas Petazzoni
2015-10-21 13:49 ` Thomas Petazzoni
2015-11-11 8:26 ` Thomas Petazzoni
2015-11-11 8:26 ` Thomas Petazzoni
2015-11-13 20:11 ` Thomas Gleixner
2015-11-13 20:11 ` Thomas Gleixner
2015-12-04 11:03 ` Thomas Petazzoni
2015-12-04 11:03 ` Thomas Petazzoni
2015-12-05 17:24 ` Thomas Gleixner
2015-12-05 17:24 ` Thomas Gleixner
2015-12-06 9:28 ` Thomas Gleixner
2015-12-06 9:28 ` Thomas Gleixner
2015-12-08 8:58 ` Thomas Petazzoni
2015-12-08 8:58 ` Thomas Petazzoni
2015-12-08 10:54 ` Thomas Gleixner
2015-12-08 10:54 ` Thomas Gleixner
2017-02-24 16:56 ` Thomas Petazzoni
2017-02-24 16:56 ` Thomas Petazzoni
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