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

Timur Tabi timur at freescale.com
Wed May 27 02:53:24 CEST 2009

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

Timur Tabi
Linux kernel developer at Freescale

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