Re: [PATCH v2] usb: xhci: Workaround for S3 issue on AMD SNPS 3.0 xHC

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On 10/26/2020 8:16 PM, Mathias Nyman wrote:
[CAUTION: External Email]

On 23.10.2020 16.15, Sandeep Singh wrote:
From: Sandeep Singh <sandeep.singh@xxxxxxx>

On some platform of AMD, S3 fails with HCE and SRE errors. To fix this,
need to disable a bit which is enable in sparse controller.

Signed-off-by: Sanket Goswami <Sanket.Goswami@xxxxxxx>
Signed-off-by: Sandeep Singh <sandeep.singh@xxxxxxx>
---
Changes since v1:(https://nam11.safelinks.protection.outlook.com/?url=https%3A%2F%2Flkml.org%2Flkml%2F2020%2F10%2F23%2F368&amp;data=04%7C01%7CSandeep.Singh%40amd.com%7Ca8900bc99ca441507cc408d879bdc5e9%7C3dd8961fe4884e608e11a82d994e183d%7C0%7C0%7C637393203258053573%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&amp;sdata=GM7TXOawh6nLZaX1ABZLlptYeyoUSMHnwhCxbY6zFZI%3D&amp;reserved=0)
       -> Add xhci.h changes

Added to queue.
This looks like it should go to stable as well.

Thanks Mathias , please help to queue this up from 4.19+.

Regards

Sandeep


-Mathias



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