linux-kernel - [PATCH 2/3] scsi: ufs: ufs-qcom: Add DELAY_BEFORE

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Message-ID: <20240820123756.24590-3-quic_mapa@quicinc.com>
Date: Tue, 20 Aug 2024 18:07:55 +0530
From: Manish Pandey <quic_mapa@...cinc.com>
To: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        "James E.J.
 Bottomley" <James.Bottomley@...senPartnership.com>,
        "Martin K. Petersen"
	<martin.petersen@...cle.com>
CC: <linux-arm-msm@...r.kernel.org>, <linux-scsi@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <quic_cang@...cinc.com>,
        <quic_nguyenb@...cinc.com>, <quic_nitirawa@...cinc.com>,
        <quic_bhaskarv@...cinc.com>, <quic_narepall@...cinc.com>,
        <quic_rampraka@...cinc.com>
Subject: [PATCH 2/3] scsi: ufs: ufs-qcom: Add DELAY_BEFORE_LPM quirk for Micron and Skhynix

Micron and Skhynix UFS device needs DELAY_BEFORE_LPM quirk to have a
delay before VCC is powered off. So add Micron and SKHYNIX vendors ID
and this quirk for both devices in QCOM platforms.

Signed-off-by: Manish Pandey <quic_mapa@...cinc.com>
---
 drivers/ufs/host/ufs-qcom.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
index 290558843ca5..6d2622e79d3f 100644
--- a/drivers/ufs/host/ufs-qcom.c
+++ b/drivers/ufs/host/ufs-qcom.c
@@ -836,6 +836,12 @@ static int ufs_qcom_apply_dev_quirks(struct ufs_hba *hba)
 
 static struct ufs_dev_quirk ufs_qcom_dev_fixups[] = {
 	/* add UFS device specific quirks */
+	{ .wmanufacturerid = UFS_VENDOR_MICRON,
+	  .model = UFS_ANY_MODEL,
+	  .quirk = UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM },
+	{ .wmanufacturerid = UFS_VENDOR_SKHYNIX,
+	  .model = UFS_ANY_MODEL,
+	  .quirk = UFS_DEVICE_QUIRK_DELAY_BEFORE_LPM },
 	{}
 };
 
-- 
2.17.1