From: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
To: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Cc: Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
linux-arm-kernel@lists.infradead.org,
linux-watchdog@vger.kernel.org, devicetree@vger.kernel.org,
Lior Amsalem <alior@marvell.com>,
Thomas Petazzoni <thomas.petazzoni@free-electrons.com>,
Jason Cooper <jason@lakedaemon.net>,
Tawfik Bayouk <tawfik@marvell.com>, Andrew Lunn <andrew@lunn.ch>,
Wim Van Sebroeck <wim@iguana.be>,
Gregory Clement <gregory.clement@free-electrons.com>
Subject: Re: [PATCH v2 06/15] watchdog: orion: Remove unneeded BRIDGE_CAUSE clear
Date: Wed, 22 Jan 2014 10:50:30 -0700 [thread overview]
Message-ID: <20140122175030.GU18269@obsidianresearch.com> (raw)
In-Reply-To: <20140122174539.GD27273@localhost>
On Wed, Jan 22, 2014 at 02:45:40PM -0300, Ezequiel Garcia wrote:
> Agreed. So, let's assume we can guarantee that request_irq() does the
> job of clearing the cause register (clearing pending irqs).
>
> So, your suggestion is to put request_irq() in the watchdog start()?
>
> Otherwise, we can ensure a watchdog full stop at probe(), before
> requesting the IRQ. Both solutions should work, uh?
Right, I would keep the request_irq in probe, just because that feels
more idiomatic..
Jason
WARNING: multiple messages have this Message-ID (diff)
From: jgunthorpe@obsidianresearch.com (Jason Gunthorpe)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v2 06/15] watchdog: orion: Remove unneeded BRIDGE_CAUSE clear
Date: Wed, 22 Jan 2014 10:50:30 -0700 [thread overview]
Message-ID: <20140122175030.GU18269@obsidianresearch.com> (raw)
In-Reply-To: <20140122174539.GD27273@localhost>
On Wed, Jan 22, 2014 at 02:45:40PM -0300, Ezequiel Garcia wrote:
> Agreed. So, let's assume we can guarantee that request_irq() does the
> job of clearing the cause register (clearing pending irqs).
>
> So, your suggestion is to put request_irq() in the watchdog start()?
>
> Otherwise, we can ensure a watchdog full stop at probe(), before
> requesting the IRQ. Both solutions should work, uh?
Right, I would keep the request_irq in probe, just because that feels
more idiomatic..
Jason
WARNING: multiple messages have this Message-ID (diff)
From: Jason Gunthorpe <jgunthorpe-ePGOBjL8dl3ta4EC/59zMFaTQe2KTcn/@public.gmane.org>
To: Ezequiel Garcia
<ezequiel.garcia-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Cc: Sebastian Hesselbarth
<sebastian.hesselbarth-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>,
linux-arm-kernel-IAPFreCvJWM7uuMidbF8XUB+6BGkLq7r@public.gmane.org,
linux-watchdog-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
devicetree-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
Lior Amsalem <alior-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
Thomas Petazzoni
<thomas.petazzoni-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>,
Jason Cooper <jason-NLaQJdtUoK4Be96aLqz0jA@public.gmane.org>,
Tawfik Bayouk <tawfik-eYqpPyKDWXRBDgjK7y7TUQ@public.gmane.org>,
Andrew Lunn <andrew-g2DYL2Zd6BY@public.gmane.org>,
Wim Van Sebroeck <wim-IQzOog9fTRqzQB+pC5nmwQ@public.gmane.org>,
Gregory Clement
<gregory.clement-wi1+55ScJUtKEb57/3fJTNBPR1lH4CV8@public.gmane.org>
Subject: Re: [PATCH v2 06/15] watchdog: orion: Remove unneeded BRIDGE_CAUSE clear
Date: Wed, 22 Jan 2014 10:50:30 -0700 [thread overview]
Message-ID: <20140122175030.GU18269@obsidianresearch.com> (raw)
In-Reply-To: <20140122174539.GD27273@localhost>
On Wed, Jan 22, 2014 at 02:45:40PM -0300, Ezequiel Garcia wrote:
> Agreed. So, let's assume we can guarantee that request_irq() does the
> job of clearing the cause register (clearing pending irqs).
>
> So, your suggestion is to put request_irq() in the watchdog start()?
>
> Otherwise, we can ensure a watchdog full stop at probe(), before
> requesting the IRQ. Both solutions should work, uh?
Right, I would keep the request_irq in probe, just because that feels
more idiomatic..
Jason
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next prev parent reply other threads:[~2014-01-22 17:50 UTC|newest]
Thread overview: 192+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-01-21 9:12 [PATCH v2 00/15] Armada 370/XP watchdog support Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` [PATCH v2 01/15] ARM: Introduce atomic MMIO modify Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:45 ` Arnd Bergmann
2014-01-21 9:45 ` Arnd Bergmann
2014-01-21 9:45 ` Arnd Bergmann
2014-01-21 10:46 ` Ezequiel Garcia
2014-01-21 10:46 ` Ezequiel Garcia
2014-01-21 10:46 ` Ezequiel Garcia
2014-01-21 9:12 ` [PATCH v2 02/15] clocksource: orion: Use atomic access for shared registers Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:46 ` Arnd Bergmann
2014-01-21 9:46 ` Arnd Bergmann
2014-01-21 9:46 ` Arnd Bergmann
2014-01-21 9:58 ` Sebastian Hesselbarth
2014-01-21 9:58 ` Sebastian Hesselbarth
2014-01-21 9:58 ` Sebastian Hesselbarth
2014-01-21 10:54 ` Arnd Bergmann
2014-01-21 10:54 ` Arnd Bergmann
2014-01-21 10:54 ` Arnd Bergmann
2014-01-21 11:02 ` Andrew Lunn
2014-01-21 11:02 ` Andrew Lunn
2014-01-21 11:02 ` Andrew Lunn
2014-01-21 9:57 ` Daniel Lezcano
2014-01-21 9:57 ` Daniel Lezcano
2014-01-21 9:57 ` Daniel Lezcano
2014-01-21 10:53 ` Ezequiel Garcia
2014-01-21 10:53 ` Ezequiel Garcia
2014-01-21 10:53 ` Ezequiel Garcia
2014-01-21 9:12 ` [PATCH v2 03/15] watchdog: " Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:19 ` Fabio Estevam
2014-01-21 9:19 ` Fabio Estevam
2014-01-21 9:19 ` Fabio Estevam
2014-01-21 9:42 ` Ezequiel Garcia
2014-01-21 9:42 ` Ezequiel Garcia
2014-01-21 9:42 ` Ezequiel Garcia
2014-01-21 9:54 ` Arnd Bergmann
2014-01-21 9:54 ` Arnd Bergmann
2014-01-21 9:54 ` Arnd Bergmann
2014-01-21 10:13 ` Andrew Lunn
2014-01-21 10:13 ` Andrew Lunn
2014-01-21 10:13 ` Andrew Lunn
2014-01-21 9:12 ` [PATCH v2 04/15] watchdog: orion: Handle IRQ Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` [PATCH v2 05/15] watchdog: orion: Make RSTOUT register a separate resource Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 23:33 ` Jason Gunthorpe
2014-01-21 23:33 ` Jason Gunthorpe
2014-01-21 23:33 ` Jason Gunthorpe
2014-01-22 9:48 ` Arnd Bergmann
2014-01-22 9:48 ` Arnd Bergmann
2014-01-22 9:48 ` Arnd Bergmann
2014-01-22 16:21 ` Ezequiel Garcia
2014-01-22 16:21 ` Ezequiel Garcia
2014-01-22 16:21 ` Ezequiel Garcia
2014-01-22 18:01 ` Ezequiel Garcia
2014-01-22 18:01 ` Ezequiel Garcia
2014-01-22 18:01 ` Ezequiel Garcia
2014-01-22 18:14 ` Jason Gunthorpe
2014-01-22 18:14 ` Jason Gunthorpe
2014-01-22 18:14 ` Jason Gunthorpe
2014-01-22 18:21 ` Arnd Bergmann
2014-01-22 18:21 ` Arnd Bergmann
2014-01-22 18:21 ` Arnd Bergmann
2014-01-22 18:29 ` Ezequiel Garcia
2014-01-22 18:29 ` Ezequiel Garcia
2014-01-22 18:29 ` Ezequiel Garcia
2014-01-21 9:12 ` [PATCH v2 06/15] watchdog: orion: Remove unneeded BRIDGE_CAUSE clear Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 23:35 ` Jason Gunthorpe
2014-01-21 23:35 ` Jason Gunthorpe
2014-01-21 23:35 ` Jason Gunthorpe
2014-01-22 16:49 ` Ezequiel Garcia
2014-01-22 16:49 ` Ezequiel Garcia
2014-01-22 16:49 ` Ezequiel Garcia
2014-01-22 17:34 ` Jason Gunthorpe
2014-01-22 17:34 ` Jason Gunthorpe
2014-01-22 17:34 ` Jason Gunthorpe
2014-01-22 17:45 ` Ezequiel Garcia
2014-01-22 17:45 ` Ezequiel Garcia
2014-01-22 17:45 ` Ezequiel Garcia
2014-01-22 17:50 ` Jason Gunthorpe [this message]
2014-01-22 17:50 ` Jason Gunthorpe
2014-01-22 17:50 ` Jason Gunthorpe
2014-01-22 18:03 ` Ezequiel Garcia
2014-01-22 18:03 ` Ezequiel Garcia
2014-01-22 18:03 ` Ezequiel Garcia
2014-01-22 20:31 ` Sebastian Hesselbarth
2014-01-22 20:31 ` Sebastian Hesselbarth
2014-01-22 20:31 ` Sebastian Hesselbarth
2014-01-22 20:52 ` Jason Gunthorpe
2014-01-22 20:52 ` Jason Gunthorpe
2014-01-22 20:52 ` Jason Gunthorpe
2014-01-22 22:12 ` Ezequiel Garcia
2014-01-22 22:12 ` Ezequiel Garcia
2014-01-22 22:12 ` Ezequiel Garcia
2014-01-22 22:31 ` Jason Gunthorpe
2014-01-22 22:31 ` Jason Gunthorpe
2014-01-22 22:31 ` Jason Gunthorpe
2014-01-22 22:56 ` Ezequiel Garcia
2014-01-22 22:56 ` Ezequiel Garcia
2014-01-22 22:56 ` Ezequiel Garcia
2014-01-23 0:03 ` Sebastian Hesselbarth
2014-01-23 0:03 ` Sebastian Hesselbarth
2014-01-23 0:03 ` Sebastian Hesselbarth
2014-01-23 0:19 ` Jason Gunthorpe
2014-01-23 0:19 ` Jason Gunthorpe
2014-01-23 0:19 ` Jason Gunthorpe
2014-01-23 0:35 ` Sebastian Hesselbarth
2014-01-23 0:35 ` Sebastian Hesselbarth
2014-01-23 0:35 ` Sebastian Hesselbarth
2014-01-23 12:04 ` Ezequiel Garcia
2014-01-23 12:04 ` Ezequiel Garcia
2014-01-23 12:04 ` Ezequiel Garcia
2014-01-22 23:49 ` Sebastian Hesselbarth
2014-01-22 23:49 ` Sebastian Hesselbarth
2014-01-22 23:49 ` Sebastian Hesselbarth
2014-01-23 11:10 ` Ezequiel Garcia
2014-01-23 11:10 ` Ezequiel Garcia
2014-01-23 11:10 ` Ezequiel Garcia
2014-01-23 11:54 ` Ezequiel Garcia
2014-01-23 11:54 ` Ezequiel Garcia
2014-01-23 11:54 ` Ezequiel Garcia
2014-01-23 21:15 ` Sebastian Hesselbarth
2014-01-23 21:15 ` Sebastian Hesselbarth
2014-01-23 21:15 ` Sebastian Hesselbarth
2014-01-21 9:12 ` [PATCH v2 07/15] watchdog: orion: Introduce an orion_watchdog device structure Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` [PATCH v2 08/15] watchdog: orion: Introduce per-compatible of_device_id data Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` [PATCH v2 09/15] watchdog: orion: Add per-compatible clock initialization Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:18 ` Fabio Estevam
2014-01-21 9:18 ` Fabio Estevam
2014-01-21 9:18 ` Fabio Estevam
2014-01-21 9:43 ` Ezequiel Garcia
2014-01-21 9:43 ` Ezequiel Garcia
2014-01-21 9:43 ` Ezequiel Garcia
2014-01-21 9:12 ` [PATCH v2 10/15] watchdog: orion: Add per-compatible watchdog start implementation Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` [PATCH v2 11/15] watchdog: orion: Add support for Armada 370 and Armada XP SoC Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` [PATCH v2 12/15] ARM: mvebu: Enable Armada 370/XP watchdog in the devicetree Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` [PATCH v2 13/15] ARM: kirkwood: Add RSTOUT 'reg' entry to devicetree Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` [PATCH v2 14/15] watchdog: orion: Allow to build on any Orion platform Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:41 ` Sebastian Hesselbarth
2014-01-21 9:41 ` Sebastian Hesselbarth
2014-01-21 9:41 ` Sebastian Hesselbarth
2014-01-21 9:45 ` Andrew Lunn
2014-01-21 9:45 ` Andrew Lunn
2014-01-21 9:45 ` Andrew Lunn
2014-01-21 10:04 ` Ezequiel Garcia
2014-01-21 10:04 ` Ezequiel Garcia
2014-01-21 10:04 ` Ezequiel Garcia
2014-01-21 11:06 ` Removing PLAT_ORION dependency from ARCH_MVEBU (Was Re: [PATCH v2 14/15] watchdog: orion: Allow to build on any Orion platform) Ezequiel Garcia
2014-01-21 11:06 ` Ezequiel Garcia
2014-01-21 11:06 ` Ezequiel Garcia
2014-01-21 11:44 ` Sebastian Hesselbarth
2014-01-21 11:44 ` Sebastian Hesselbarth
2014-01-21 11:44 ` Sebastian Hesselbarth
2014-01-21 9:12 ` [PATCH v2 15/15] ARM: mvebu: Enable watchdog support in defconfig Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 9:12 ` Ezequiel Garcia
2014-01-21 12:47 ` Jason Cooper
2014-01-21 12:47 ` Jason Cooper
2014-01-21 12:47 ` Jason Cooper
2014-01-21 12:53 ` Andrew Lunn
2014-01-21 12:53 ` Andrew Lunn
2014-01-21 12:53 ` Andrew Lunn
2014-01-21 12:57 ` Jason Cooper
2014-01-21 12:57 ` Jason Cooper
2014-01-21 12:57 ` Jason Cooper
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