APPLIED [OEM-5.6] Re: [PATCH 0/1][SRU][OEM-5.6/U] support Tiger Lake Thunderbolt/USB4 controller

[Timo Aaltonen]

On 19.6.2020 14.13, You-Sheng Yang wrote:
> BugLink: https://bugs.launchpad.net/bugs/1844410
> 
> [Impact]
> 
> TigerLake platforms fail to probe thunderbolt controller and leaving an
> error message:
> 
>   [    2.069944] input: PS/2 Generic Mouse as /devices/platform/i8042/serio1/input/input5
>   [   21.772011] thunderbolt: probe of 0000:00:0d.2 failed with error -110
> 
> It also introduces a nearly 20 second idle at boot.
> 
> [Fix]
> 
> Commit 57d8df68eb53 ("thunderbolt: Add support for Intel Tiger Lake")
> recently landed to v5.8-rc1 addressed this issue.
> 
> [Test Case]
> 
> Check thunderbolt controller probe messages from dmesg:
> 
>   thunderbolt 0000:00:0d.2: 0: unsupported switch device id 0x9a1b
>   thunderbolt 0000:00:0d.2: 0: uid crc8 mismatch (expected: 0x8e, got: 0x59)
> 
> [Regression Potential]
> 
> Low. This only enables devices which are previously failed in device
> initialization.
> 
> Mika Westerberg (1):
>   thunderbolt: Add support for Intel Tiger Lake
> 
>  drivers/thunderbolt/icm.c | 22 ++++++++++++++++++++++
>  drivers/thunderbolt/nhi.c |  4 ++++
>  drivers/thunderbolt/nhi.h |  2 ++
>  3 files changed, 28 insertions(+)
> 
applied to oem-5.6-next, thanks


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