[Sound-open-firmware] [PATCH v2] Use atomic API without spin lock for trace_error().

[Liam Girdwood]

On Wed, 2017-12-06 at 15:05 +0800, yan.wang at linux.intel.com wrote:
> From: Yan Wang <yan.wang at linux.intel.com>
> 
> When trace_error() is used to save error information into trace
> buffer, 
> the firmware may not in normal state and some spin lock be still
> locked. 
> So it may cause dead lock if trace_error() still uses non-atomic API 
> with spin lock.
> 
> Signed-off-by: Yan Wang <yan.wang at linux.intel.com>
> ---
> 
Applied.
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