Re: [PATCH V2] scsi: ufs-pci: Add LTR support for Intel controllers

From: Adrian Hunter
Date: Wed Sep 02 2020 - 05:28:13 EST


On 2/09/20 5:12 am, Martin K. Petersen wrote:
>
> Adrian,
>
>> Intel host controllers support the setting of latency tolerance.
>> Accordingly, implement the PM QoS ->set_latency_tolerance() callback. The
>> raw register values are also exposed via debugfs.
>
> Does not apply to 5.10/scsi-queue. Please rebase. Thanks!
>

Hi

Thanks for processing this.

The 5.10/scsi-queue branch seems to be missing the following fix. If you cherry
pick that, then it applies.



commit 8da76f71fef7d8a1a72af09d48899573feb60065
Author: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Date: Mon Aug 10 17:10:24 2020 +0300

scsi: ufs-pci: Add quirk for broken auto-hibernate for Intel EHL

Intel EHL UFS host controller advertises auto-hibernate capability but it
does not work correctly. Add a quirk for that.

[mkp: checkpatch fix]

Link: https://lore.kernel.org/r/20200810141024.28859-1-adrian.hunter@xxxxxxxxx
Fixes: 8c09d7527697 ("scsi: ufshdc-pci: Add Intel PCI IDs for EHL")
Acked-by: Stanley Chu <stanley.chu@xxxxxxxxxxxx>
Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Signed-off-by: Martin K. Petersen <martin.petersen@xxxxxxxxxx>