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From: Lukas Wunner <lukas@wunner.de>
To: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: linux-pci@vger.kernel.org, linux-pm@vger.kernel.org,
	linux-acpi@vger.kernel.org, Peter Wu <peter@lekensteyn.nl>,
	Andreas Noever <andreas.noever@gmail.com>
Subject: Re: [PATCH 3/4] PCI: Avoid unnecessary resume after direct-complete
Date: Sun, 18 Sep 2016 14:43:03 +0200	[thread overview]
Message-ID: <20160918124303.GC2169@wunner.de> (raw)
In-Reply-To: <1922917.c92rJWRLH6@vostro.rjw.lan>

On Wed, Sep 14, 2016 at 03:14:37PM +0200, Rafael J. Wysocki wrote:
> On Wednesday, September 14, 2016 11:56:40 AM Lukas Wunner wrote:
> > I first tried to solve this only for Thunderbolt by opting out of the
> > mandatory resume after direct_complete.  It worked, but it was ugly.
> > 
> > (I have to clear the direct_complete flag in the ->complete hook, but
> > the device tree is walked bottom-up during ->complete, and since the
> > Thunderbolt controller exposes multiple devices, I have to clear the
> > flag for all devices from the bottom-most device, which is the NHI.
> > And all the rest of the s/r code lives on the top-most device, which
> > is the upstream bridge.)
> > 
> > You suggested in your e-mail of July 18: "maybe it's better to change
> > the PCI bus type to do something different from calling the generic
> > function?"
> > 
> > So there, I did what you suggested and tried to fix it not just for
> > Thunderbolt but for everyone.
> > 
> > And you're still not happy.
> > 
> > *sigh*
> 
> Sorry for disappointing you.
> 
> I have concerns, so I talk about them.  Is that wrong?  If so, what's wrong
> about it?
> 
> My time goes into that as well, mind you.

Sorry, never mind, just a bout of desperation that I failed to control.

Kind regards,

Lukas

  reply	other threads:[~2016-09-18 12:43 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-08-31  6:15 [PATCH 0/4] PCI PM refinements Lukas Wunner
2016-08-31  6:15 ` [PATCH 2/4] PCI: Query platform firmware for device power state Lukas Wunner
2016-09-14  0:21   ` Rafael J. Wysocki
2016-09-14 10:50     ` Lukas Wunner
2016-09-14 13:01       ` Rafael J. Wysocki
2016-09-14 16:47         ` Rafael J. Wysocki
2016-09-14 21:36           ` Rafael J. Wysocki
2016-09-14 21:47             ` Rafael J. Wysocki
2016-09-14 22:58           ` Lukas Wunner
2016-09-15  0:49             ` Rafael J. Wysocki
2016-09-17 13:49         ` Lukas Wunner
2016-09-18  1:09           ` Rafael J. Wysocki
2016-08-31  6:15 ` [PATCH 3/4] PCI: Avoid unnecessary resume after direct-complete Lukas Wunner
2016-09-14  0:29   ` Rafael J. Wysocki
2016-09-14  0:43     ` Rafael J. Wysocki
2016-09-14  0:50   ` Rafael J. Wysocki
2016-09-14  9:56     ` Lukas Wunner
2016-09-14 13:14       ` Rafael J. Wysocki
2016-09-18 12:43         ` Lukas Wunner [this message]
2016-08-31  6:15 ` [PATCH 1/4] PCI: Afford direct-complete to devices with nonstandard PM Lukas Wunner
2016-09-14  0:05   ` Rafael J. Wysocki
2016-08-31  6:15 ` [PATCH 4/4] PCI: Avoid unnecessary resume on shutdown Lukas Wunner
2016-09-14  0:29   ` Rafael J. Wysocki
2016-09-15 13:11     ` Lukas Wunner
2016-09-15 13:57       ` Rafael J. Wysocki
2016-09-12 22:07 ` [PATCH 0/4] PCI PM refinements Bjorn Helgaas
2016-09-12 22:15   ` Rafael J. Wysocki

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