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FROMGIT: scsi: ufs-qcom: Apply QUIRK_HOST_TACTIVATE for WDC UFS devices

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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.

Link: https://lore.kernel.org/r/1582517363-11536-3-git-send-email-cang@codeaurora.org
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Acked-by: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

Bug: 150731199
Change-Id: I3dbe4ff9b452b2ea970af624ca685939c24c2d15
(cherry picked from commit 27ff2c60e095fb541251d0f90f9ea41f2b5f0f4f
https://git.kernel.org/pub/scm/linux/kernel/git/mkp/scsi.git 5.7/scsi-queue)
Signed-off-by: Can Guo <cang@codeaurora.org>
This commit is contained in:
Can Guo 2020-02-23 18:30:43 -08:00 • committed by Todd Kjos
commit ba4540b7ed
2 changed files with 4 additions and 0 deletions
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3
drivers/scsi/ufs/ufs-qcom.c
View file

@ -940,6 +940,9 @@ static int ufs_qcom_apply_dev_quirks(struct ufs_hba *hba)
if (hba->dev_quirks & UFS_DEVICE_QUIRK_HOST_PA_SAVECONFIGTIME)
err = ufs_qcom_quirk_host_pa_saveconfigtime(hba);
if (hba->dev_info.wmanufacturerid == UFS_VENDOR_WDC)
hba->dev_quirks |= UFS_DEVICE_QUIRK_HOST_PA_TACTIVATE;
return err;
}

1
drivers/scsi/ufs/ufs_quirks.h
View file

@ -15,6 +15,7 @@
#define UFS_VENDOR_TOSHIBA 0x198
#define UFS_VENDOR_SAMSUNG 0x1CE
#define UFS_VENDOR_SKHYNIX 0x1AD
#define UFS_VENDOR_WDC 0x145
/**
* ufs_dev_fix - ufs device quirk info