Re: [alsa-devel] [PATCH] Modify mpc5200 AC97 driver to use V9 of spin_event_timeout()

On Tue, May 26, 2009 at 7:44 PM, Jon Smirl jonsmirl@gmail.com 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().