From: Grant Likely <grant.likely@secretlab.ca>
To: Timur Tabi <timur@freescale.com>
Cc: linuxppc-dev@ozlabs.org, alsa-devel@alsa-project.org,
broonie@sirena.org.uk
Subject: Re: [alsa-devel] [PATCH] Modify mpc5200 AC97 driver to use V9 of spin_event_timeout()
Date: Tue, 26 May 2009 21:49:32 -0600 [thread overview]
Message-ID: <fa686aa40905262049p10d16293r65340d9e70e6599d@mail.gmail.com> (raw)
In-Reply-To: <ed82fe3e0905262012r58f8a750lab9cb1bf3b9a989@mail.gmail.com>
On Tue, May 26, 2009 at 9:12 PM, Timur Tabi <timur@freescale.com> wrote:
> On Tue, May 26, 2009 at 8:01 PM, Jon Smirl <jonsmirl@gmail.com> wrote:
>
>> Then why did you need to make your routine that calls cpu_relax()?
>
> That gets called only if delay =3D=3D 0. =A0udelay(0) is a no-op, so if t=
he
> caller specifies no delay, then I need to manually call cpu_relax().
>
>> I don't know what goes on in the guts of HMT_low() and cpu_relax(),
>> when you guys decide which one I should use let me know and I can
>> adjust the patch.
>
> Grant, I don't see any reason why "udelay(50)" is unacceptable.
It's not. See my last email.
g.
--=20
Grant Likely, B.Sc., P.Eng.
Secret Lab Technologies Ltd.
next prev parent reply other threads:[~2009-05-27 3:49 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-27 0:25 [PATCH] Modify mpc5200 AC97 driver to use V9 of spin_event_timeout() Jon Smirl
2009-05-27 0:38 ` [alsa-devel] " Timur Tabi
2009-05-27 0:44 ` Jon Smirl
2009-05-27 0:53 ` Timur Tabi
2009-05-27 1:01 ` Jon Smirl
2009-05-27 3:12 ` Timur Tabi
2009-05-27 3:49 ` Grant Likely [this message]
2009-05-27 3:48 ` Grant Likely
2009-05-27 4:00 ` Grant Likely
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=fa686aa40905262049p10d16293r65340d9e70e6599d@mail.gmail.com \
--to=grant.likely@secretlab.ca \
--cc=alsa-devel@alsa-project.org \
--cc=broonie@sirena.org.uk \
--cc=linuxppc-dev@ozlabs.org \
--cc=timur@freescale.com \
/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;
as well as URLs for NNTP newsgroup(s).