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Bottomley" , "Martin K. Petersen" , Thomas Gleixner , Bean Huo , Stanley Chu , Bart Van Assche , Venkat Gopalakrishnan , Tomas Winkler , linux-kernel@vger.kernel.org (open list) Subject: [PATCH] scsi: ufs: Enable HOST_PA_TACTIVATE quirk for WDC UFS devices Date: Thu, 6 Feb 2020 00:21:50 -0800 Message-Id: <1580977315-19321-1-git-send-email-cang@codeaurora.org> X-Mailer: git-send-email 1.9.1 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Western Digital UFS devices require host PA_TACTIVATE to be lower than device PA_TACTIVATE, otherwise it may get stuck during hibern8 sequence. Signed-off-by: Can Guo diff --git a/drivers/scsi/ufs/ufs_quirks.h b/drivers/scsi/ufs/ufs_quirks.h index d0ab147..df7a1e6 100644 --- a/drivers/scsi/ufs/ufs_quirks.h +++ b/drivers/scsi/ufs/ufs_quirks.h @@ -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 diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c index 1fe0a97..a066f00 100644 --- a/drivers/scsi/ufs/ufshcd.c +++ b/drivers/scsi/ufs/ufshcd.c @@ -239,6 +239,8 @@ struct ufs_pm_lvl_states ufs_pm_lvl_states[] = { UFS_DEVICE_QUIRK_HOST_PA_SAVECONFIGTIME), UFS_FIX(UFS_VENDOR_SKHYNIX, "hB8aL1" /*H28U62301AMR*/, UFS_DEVICE_QUIRK_HOST_VS_DEBUGSAVECONFIGTIME), + UFS_FIX(UFS_VENDOR_WDC, UFS_ANY_MODEL, + UFS_DEVICE_QUIRK_HOST_PA_TACTIVATE), END_FIX }; -- The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project