Re: [PATCH v2 0/2] Add UFS LINERESET handling

Martin K. Petersen
2020-09-09T02:09:37Z

On Wed, 2 Sep 2020 19:24:30 -0700, Can Guo wrote:

> PA Layer issues a LINERESET to the PHY at the recovery step in the Power
> Mode change operation. If it happens during auto or mannual hibern8 enter,
> even if hibern8 enter succeeds, UFS power mode shall be set to PWM-G1 mode
> and kept in that mode after exit from hibern8, leading to bad performance.
> Handle the LINERESET in the eh_work by restoring power mode to HS mode
> after all pending reqs and tasks are cleared from doorbell.
>
> [...]

Applied to 5.10/scsi-queue, thanks!

[1/2] scsi: ufs: Abort tasks before clearing them from doorbell
https://git.kernel.org/mkp/scsi/c/307348f6ab14
[2/2] scsi: ufs: Handle LINERESET indication in err handler
https://git.kernel.org/mkp/scsi/c/2355b66ed20c

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Martin K. Petersen Oracle Linux Engineering