From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-qy0-f196.google.com (mail-qy0-f196.google.com [209.85.221.196]) by ozlabs.org (Postfix) with ESMTP id 944A9DE047 for ; Wed, 27 May 2009 10:53:26 +1000 (EST) Received: by qyk34 with SMTP id 34so7036012qyk.17 for ; Tue, 26 May 2009 17:53:24 -0700 (PDT) MIME-Version: 1.0 Sender: timur.tabi@gmail.com In-Reply-To: <9e4733910905261744j3589ace8wd427ef8a5998eccf@mail.gmail.com> References: <20090527002530.16740.62502.stgit@terra> <9e4733910905261744j3589ace8wd427ef8a5998eccf@mail.gmail.com> Date: Tue, 26 May 2009 19:53:24 -0500 Message-ID: Subject: Re: [alsa-devel] [PATCH] Modify mpc5200 AC97 driver to use V9 of spin_event_timeout() From: Timur Tabi To: Jon Smirl Content-Type: text/plain; charset=ISO-8859-1 Cc: linuxppc-dev@ozlabs.org, alsa-devel@alsa-project.org, broonie@sirena.org.uk List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , On Tue, May 26, 2009 at 7:44 PM, Jon Smirl wrote: > Because Grant didn't want me doing udelay(50) just to delay things in > order to give the AC97 controller time to initialize. Your function > lets me loop on cpu_relax() for 50us. But udelay() calls HMT_low(), which is like cpu_relax(). -- Timur Tabi Linux kernel developer at Freescale