RE: [PATCH v2 2/2] scsi: ufs-qcom: Apply QUIRK_HOST_TACTIVATE for WDC UFS devices

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To: Can Guo <cang@xxxxxxxxxxxxxx>, "asutoshd@xxxxxxxxxxxxxx" <asutoshd@xxxxxxxxxxxxxx>, "nguyenb@xxxxxxxxxxxxxx" <nguyenb@xxxxxxxxxxxxxx>, "hongwus@xxxxxxxxxxxxxx" <hongwus@xxxxxxxxxxxxxx>, "rnayak@xxxxxxxxxxxxxx" <rnayak@xxxxxxxxxxxxxx>, "linux-scsi@xxxxxxxxxxxxxxx" <linux-scsi@xxxxxxxxxxxxxxx>, "kernel-team@xxxxxxxxxxx" <kernel-team@xxxxxxxxxxx>, "saravanak@xxxxxxxxxx" <saravanak@xxxxxxxxxx>, "salyzyn@xxxxxxxxxx" <salyzyn@xxxxxxxxxx>
Subject: RE: [PATCH v2 2/2] scsi: ufs-qcom: Apply QUIRK_HOST_TACTIVATE for WDC UFS devices
From: Avri Altman <Avri.Altman@xxxxxxx>
Date: Mon, 24 Feb 2020 06:02:50 +0000
Accept-language: en-US
Cc: Andy Gross <agross@xxxxxxxxxx>, Bjorn Andersson <bjorn.andersson@xxxxxxxxxx>, Alim Akhtar <alim.akhtar@xxxxxxxxxxx>, "James E.J. Bottomley" <jejb@xxxxxxxxxxxxx>, "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>, Alexios Zavras <alexios.zavras@xxxxxxxxx>, Bart Van Assche <bvanassche@xxxxxxx>, Evan Green <evgreen@xxxxxxxxxxxx>, Bean Huo <beanhuo@xxxxxxxxxx>, Thomas Gleixner <tglx@xxxxxxxxxxxxx>, "open list:ARM/QUALCOMM SUPPORT" <linux-arm-msm@xxxxxxxxxxxxxxx>, open list <linux-kernel@xxxxxxxxxxxxxxx>
In-reply-to: <1582517363-11536-3-git-send-email-cang@codeaurora.org>
Wdcipoutbound: EOP-TRUE

 
> 
> Western Digital UFS devices require host's PA_TACTIVATE to be lower than
> device's PA_TACTIVATE, otherwise it may get stuck during hibern8 sequence.
> 
> Signed-off-by: Can Guo <cang@xxxxxxxxxxxxxx>
Acked-by: Avri Altman <avri.altman@xxxxxxx>

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References:
- [PATCH v2 0/2] Enable HOST_PA_TACTIVATE quirk for WDC UFS devices
  - From: Can Guo
- [PATCH v2 2/2] scsi: ufs-qcom: Apply QUIRK_HOST_TACTIVATE for WDC UFS devices
  - From: Can Guo

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