From: thomas.petazzoni@free-electrons•com (Thomas Petazzoni)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH 2/2] pci: host: new driver for Marvell Armada 7K/8K PCIe controller
Date: Thu, 14 Apr 2016 16:26:51 +0200 [thread overview]
Message-ID: <20160414162651.6765241a@free-electrons.com> (raw)
In-Reply-To: <3196859.0zi20qjiKR@wuerfel>
Hello,
On Mon, 28 Mar 2016 23:21:57 +0200, Arnd Bergmann wrote:
> On Sunday 27 March 2016 11:30:58 Thomas Petazzoni wrote:
> > + /* Wait until the link becomes active again */
> > + while (timeout) {
> > + if (armada8k_pcie_link_up(pp))
> > + break;
> > + udelay(1);
> > + timeout--;
> > + }
> >
>
> Why the busy-loop here?
>
> Maybe just do a single msleep(1) here to wait for the link to
> come up instead?
I've changed the udelay(1) by msleep(1). Thanks!
Thomas
--
Thomas Petazzoni, CTO, Free Electrons
Embedded Linux, Kernel and Android engineering
http://free-electrons.com
prev parent reply other threads:[~2016-04-14 14:26 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-27 9:30 [PATCH 0/2] pci: host: new driver for Marvell Armada 7K/8K PCIe controller Thomas Petazzoni
2016-03-27 9:30 ` [PATCH 1/2] dt-bindings: pci: add DT binding " Thomas Petazzoni
2016-03-28 20:46 ` Rob Herring
2016-03-28 21:18 ` Arnd Bergmann
2016-04-14 13:33 ` Thomas Petazzoni
2016-03-27 9:30 ` [PATCH 2/2] pci: host: new driver " Thomas Petazzoni
2016-03-27 14:03 ` Andrew Lunn
2016-04-11 15:56 ` Thomas Petazzoni
2016-04-14 14:25 ` Thomas Petazzoni
2016-03-28 21:21 ` Arnd Bergmann
2016-04-14 14:26 ` Thomas Petazzoni [this message]
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=20160414162651.6765241a@free-electrons.com \
--to=thomas.petazzoni@free-electrons$(echo .)com \
--cc=linux-arm-kernel@lists$(echo .)infradead.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
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