I195/split probe #4527
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I195/split probe #4527
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The existing DSP probe may be handled in a workqueue to allow for extra time, typically for the i915 request_module and HDAudio codec handling. With the upcoming changes for i915/Xe driver relying on the -EPROBE_DEFER mechanism, we need to have a first pass of the probe which cannot be pushed to a workqueue. Introduce a new optional callback. Note that instead of probe_no_wq/probe we could have use a more self-explanatory naming such as probe/probe_wq_allowed, but that would have been a very intrusive change. Signed-off-by: Pierre-Louis Bossart <[email protected]>
This patch moves the initial parts of the probe to the probe_no_wq() callback, which provides a much faster decision on whether the SOF driver shall deal with a specific platform or yield to other Intel drivers. FIXME: This is a limited functionality change, the bigger change is to move the i915/Xe initialization to the probe_no_wq(). Signed-off-by: Pierre-Louis Bossart <[email protected]>
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