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Date:   Sun, 5 Jan 2020 12:55:18 +0800
From:   Stanley Chu <stanley.chu@...iatek.com>
To:     <linux-scsi@...r.kernel.org>, <martin.petersen@...cle.com>,
        <avri.altman@....com>, <alim.akhtar@...sung.com>,
        <jejb@...ux.ibm.com>
CC:     <beanhuo@...ron.com>, <asutoshd@...eaurora.org>,
        <cang@...eaurora.org>, <matthias.bgg@...il.com>,
        <bvanassche@....org>, <linux-mediatek@...ts.infradead.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <kuohong.wang@...iatek.com>,
        <peter.wang@...iatek.com>, <chun-hung.wu@...iatek.com>,
        <andy.teng@...iatek.com>, Stanley Chu <stanley.chu@...iatek.com>
Subject: [PATCH v1 3/3] scsi: ufs-mediatek: add apply_dev_quirks variant operation

Add vendor-specific variant callback "apply_dev_quirks"
in MediaTek UFS driver.

Cc: Alim Akhtar <alim.akhtar@...sung.com>
Cc: Asutosh Das <asutoshd@...eaurora.org>
Cc: Avri Altman <avri.altman@....com>
Cc: Bart Van Assche <bvanassche@....org>
Cc: Bean Huo <beanhuo@...ron.com>
Cc: Can Guo <cang@...eaurora.org>
Cc: Matthias Brugger <matthias.bgg@...il.com>
Signed-off-by: Stanley Chu <stanley.chu@...iatek.com>
---
 drivers/scsi/ufs/ufs-mediatek.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index 41f80eeada46..8d999c0e60fe 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -16,6 +16,7 @@
 
 #include "ufshcd.h"
 #include "ufshcd-pltfrm.h"
+#include "ufs_quirks.h"
 #include "unipro.h"
 #include "ufs-mediatek.h"
 
@@ -405,6 +406,15 @@ static int ufs_mtk_resume(struct ufs_hba *hba, enum ufs_pm_op pm_op)
 	return 0;
 }
 
+static int ufs_mtk_apply_dev_quirks(struct ufs_hba *hba,
+				    struct ufs_dev_desc *card)
+{
+	if (card->wmanufacturerid == UFS_VENDOR_SAMSUNG)
+		ufshcd_dme_set(hba, UIC_ARG_MIB(PA_TACTIVATE), 6);
+
+	return 0;
+}
+
 /**
  * struct ufs_hba_mtk_vops - UFS MTK specific variant operations
  *
@@ -417,6 +427,7 @@ static struct ufs_hba_variant_ops ufs_hba_mtk_vops = {
 	.setup_clocks        = ufs_mtk_setup_clocks,
 	.link_startup_notify = ufs_mtk_link_startup_notify,
 	.pwr_change_notify   = ufs_mtk_pwr_change_notify,
+	.apply_dev_quirks    = ufs_mtk_apply_dev_quirks,
 	.suspend             = ufs_mtk_suspend,
 	.resume              = ufs_mtk_resume,
 	.device_reset        = ufs_mtk_device_reset,
-- 
2.18.0

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