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Commit ba4540b7 authored by Can Guo's avatar Can Guo Committed by Todd Kjos
Browse files

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

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: default avatarAsutosh Das <asutoshd@codeaurora.org>
Acked-by: default avatarAvri Altman <avri.altman@wdc.com>
Signed-off-by: default avatarCan Guo <cang@codeaurora.org>
Signed-off-by: default avatarMartin 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: default avatarCan Guo <cang@codeaurora.org>
parent acc625f7

drivers/scsi/ufs/ufs-qcom.c

+3 −0
Original line number Diff line number Diff line
@@ -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;

}

drivers/scsi/ufs/ufs_quirks.h

+1 −0
Original line number Diff line number Diff line
@@ -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