linux-kernel - [PATCH V2] scsi: ufs: Add UFS3.0 in ufs HCI version check

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Date:   Tue, 19 Jan 2021 17:37:01 +0530
From:   Nitin Rawat <nitirawa@...eaurora.org>
To:     cang@...eaurora.org, asutoshd@...eaurora.org,
        stummala@...eaurora.org, vbadigan@...eaurora.org,
        alim.akhtar@...sung.com, avri.altman@....com, jejb@...ux.ibm.com,
        martin.petersen@...cle.com, stanley.chu@...iatek.com,
        beanhuo@...ron.com
Cc:     linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
        Nitin Rawat <nitirawa@...eaurora.org>
Subject: [PATCH V2] scsi: ufs: Add UFS3.0 in ufs HCI version check

As per JESD223D UFS HCI v3.0 spec, HCI version 3.0
is also supported. Hence Adding UFS3.0 in UFS HCI
version check to avoid logging of the error message.

Signed-off-by: Nitin Rawat <nitirawa@...eaurora.org>
---
 drivers/scsi/ufs/ufshcd.c | 5 +++--
 drivers/scsi/ufs/ufshci.h | 1 +
 2 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 82ad317..54ca765 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -9255,8 +9255,9 @@ int ufshcd_init(struct ufs_hba *hba, void __iomem *mmio_base, unsigned int irq)
 	if ((hba->ufs_version != UFSHCI_VERSION_10) &&
 	    (hba->ufs_version != UFSHCI_VERSION_11) &&
 	    (hba->ufs_version != UFSHCI_VERSION_20) &&
-	    (hba->ufs_version != UFSHCI_VERSION_21))
-		dev_err(hba->dev, "invalid UFS version 0x%x\n",
+	    (hba->ufs_version != UFSHCI_VERSION_21) &&
+	    (hba->ufs_version != UFSHCI_VERSION_30))
+		dev_err(hba->dev, "invalid UFS HCI version 0x%x\n",
 			hba->ufs_version);

 	/* Get Interrupt bit mask per version */
diff --git a/drivers/scsi/ufs/ufshci.h b/drivers/scsi/ufs/ufshci.h
index 6795e1f..48f6c19 100644
--- a/drivers/scsi/ufs/ufshci.h
+++ b/drivers/scsi/ufs/ufshci.h
@@ -80,6 +80,7 @@ enum {
 	UFSHCI_VERSION_11 = 0x00010100, /* 1.1 */
 	UFSHCI_VERSION_20 = 0x00000200, /* 2.0 */
 	UFSHCI_VERSION_21 = 0x00000210, /* 2.1 */
+	UFSHCI_VERSION_30 = 0x00000300, /* 3.0 */
 };

 /*
--
2.7.4