Re: [alsa-devel] [PATCH] Modify mpc5200 AC97 driver to use V9 of spin_event_timeout()
From: Timur Tabi <hidden>
Date: 2009-05-27 00:53:26
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alsa-devel
On Tue, May 26, 2009 at 7:44 PM, Jon Smirl [off-list ref] 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