[Sound-open-firmware] Backport of SOF driver to 5.2.9 fixes

[Liam Girdwood]

On Wed, 2019-09-18 at 14:55 +0000, Mark Pearson wrote:
> Hi SOF folks,
> 
> I've been able to address the issue I was seeing with 5.2.9 kernel
> and the SOF driver on our whiskeylake based system but would really
> appreciate a quick review from the experts to confirm that I've not
> missed anything important or add any extra insight.
> 
> The problem was seen on boot - the driver suspends and resumes a
> couple of times during boot and during the second resume failed to
> load the firmware (err -110). After that point the driver, and hence
> the audio, isn't useable.
> 
> I backported these commits to address the problem:
> https://github.com/thesofproject/linux/commit/bf705eaa7ce07f9c132f8e367fc2fc46b7842528#diff-cea2d94f890861b7634fd37c0b28f5e1 
> https://github.com/thesofproject/linux/commit/64632de9140e52b72781fefe542314db7cd29d8c#diff-cea2d94f890861b7634fd37c0b28f5e1 
> https://github.com/thesofproject/linux/commit/7623ae793c28cc0928c5d1292542dbb92fc2e9e2#diff-8f8468b53f48ad4bb215687e90b21d04 
> https://github.com/thesofproject/linux/commit/f5dbba9fee801f4678a50d92c785f7f24d4ee2c6#diff-8f8468b53f48ad4bb215687e90b21d04
> https://github.com/thesofproject/linux/commit/bb1ea3b31c28a131a5f5a50dd325198645526b19#diff-cea2d94f890861b7634fd37c0b28f5e1
> 
> We're still doing some testing to get confidence the fix is correct
> and stable but so far it looks good - everything is working.
> 
These all look fine to me (all related to HDA, DMA or DAI), but best
for Ranjani to comment if you need any more.

Thanks

Liam

> Thanks
> Mark
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