From: Matthew Garrett <mjg59@srcf.ucam.org>
To: Alan Jenkins <aj504@cs.york.ac.uk>
Cc: linux-kernel@vger.kernel.org, linux-testers@vger.kernel.org
Subject: Re: Add option to passively listen for PCIE hotplug events
Date: Tue, 4 Nov 2008 12:47:07 +0000 [thread overview]
Message-ID: <20081104124706.GB19401@srcf.ucam.org> (raw)
In-Reply-To: <d51a1b7b-32db-41dd-a36d-911ed62f5cb4@l33g2000pri.googlegroups.com>
On Tue, Nov 04, 2008 at 03:29:23AM -0800, Alan Jenkins wrote:
> I've tested pciehp with this patch on my EeePC, which as you say uses
> pcie hotplug to allow power savings when the wireless is not needed.
> Functionally it seems ok.
Hurrah. Progress.
> But resuming from suspend to ram can now take 15-20 seconds. It seems
> the longer suspend time happens with the device "present"; it's about
> 5 seconds shorter with the device "removed", but still much longer
> than previously. There's more than one PCIE port, so the rest of the
> delay could be due to other ports which always have devices "present".
Mm. Yeah, a printk with timings would probably be a good plan. I'll do
some poking at this end and see where the time seems to be being lost.
--
Matthew Garrett | mjg59@srcf.ucam.org
next prev parent reply other threads:[~2008-11-04 12:47 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bspwK-420-11@gated-at.bofh.it>
[not found] ` <bujnh-2fr-5@gated-at.bofh.it>
[not found] ` <bujwT-2Ew-5@gated-at.bofh.it>
[not found] ` <buml1-6du-3@gated-at.bofh.it>
2008-11-04 11:29 ` Add option to passively listen for PCIE hotplug events Alan Jenkins
2008-11-04 12:47 ` Matthew Garrett [this message]
2008-11-04 13:32 ` Matthew Garrett
2008-11-04 14:26 ` Alan Jenkins
2008-11-04 14:33 ` Matthew Garrett
2008-11-04 15:01 ` Alan Jenkins
2008-11-04 15:11 ` Matthew Garrett
2008-11-04 15:44 ` Alan Jenkins
2008-11-04 15:57 ` Matthew Garrett
2008-11-04 16:22 ` Alan Jenkins
2008-11-09 16:08 ` Alan Jenkins
2008-11-12 23:34 ` Matthew Garrett
2008-11-14 16:16 ` Matthew Garrett
2008-11-14 17:07 ` Alan Jenkins
2008-11-14 17:12 ` Matthew Garrett
2008-11-14 17:27 ` Alan Jenkins
2008-11-14 17:35 ` Matthew Garrett
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20081104124706.GB19401@srcf.ucam.org \
--to=mjg59@srcf.ucam.org \
--cc=aj504@cs.york.ac.uk \
--cc=linux-kernel@vger.kernel.org \
--cc=linux-testers@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox