[alsa-devel] [PATCH] OMAP: McBSP: Do not use extensive spin locks for dma_op_mode

Jarkko Nikula jhnikula at gmail.com
Tue Oct 27 15:00:00 CET 2009

On Tue, 27 Oct 2009 13:07:23 +0200
Eero Nurkkala <ext-eero.nurkkala at nokia.com> wrote:

> Otherwise, that spinlocking is highly unnecessary and things are
> far better without than with it. The only case it could be useful
> is in SMPs, but OMAPs are not such quite yet - and when they
> are, things will need to be re-though anyway.
Following commit is suggesting that mcbsp code *must* be SMP safe
already now:

commit a5b92cc348299c20be215b9f4b50853ecfbf3864
Author: Syed Rafiuddin <rafiuddin.syed at ti.com>
Date:   Tue Jul 28 18:57:10 2009 +0530

    ARM: OMAP4: Add McBSP support


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