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

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Date:   Wed, 2 Sep 2020 12:27:42 +0300
From:   Adrian Hunter <adrian.hunter@...el.com>
To:     "Martin K. Petersen" <martin.petersen@...cle.com>
Cc:     "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Avri Altman <avri.altman@....com>
Subject: Re: [PATCH V2] scsi: ufs-pci: Add LTR support for Intel controllers

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@...el.com>                                                                                                                                                                                                                                                                                                                                     
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@intel.com
    Fixes: 8c09d7527697 ("scsi: ufshdc-pci: Add Intel PCI IDs for EHL")
    Acked-by: Stanley Chu <stanley.chu@...iatek.com>
    Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>
    Signed-off-by: Martin K. Petersen <martin.petersen@...cle.com>