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Date:   Sat, 5 Dec 2020 10:39:31 +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>, <chaotian.jing@...iatek.com>,
        <cc.chou@...iatek.com>, <jiajie.hao@...iatek.com>,
        <alice.chao@...iatek.com>, <huadian.liu@...iatek.com>,
        Stanley Chu <stanley.chu@...iatek.com>
Subject: [PATCH v4 1/8] scsi: ufs: Remove unused setup_regulators variant function

Since setup_regulators variant function is not used by any
vendors, simply remove it.

Signed-off-by: Stanley Chu <stanley.chu@...iatek.com>
---
 drivers/scsi/ufs/ufshcd.c | 10 +---------
 drivers/scsi/ufs/ufshcd.h | 10 ----------
 2 files changed, 1 insertion(+), 19 deletions(-)

diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 11a4aad09f3a..c2f611516ea7 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -8171,16 +8171,10 @@ static int ufshcd_variant_hba_init(struct ufs_hba *hba)
 		goto out;
 
 	err = ufshcd_vops_init(hba);
-	if (err)
-		goto out;
-
-	err = ufshcd_vops_setup_regulators(hba, true);
-	if (err)
-		ufshcd_vops_exit(hba);
-out:
 	if (err)
 		dev_err(hba->dev, "%s: variant %s init failed err %d\n",
 			__func__, ufshcd_get_var_name(hba), err);
+out:
 	return err;
 }
 
@@ -8189,8 +8183,6 @@ static void ufshcd_variant_hba_exit(struct ufs_hba *hba)
 	if (!hba->vops)
 		return;
 
-	ufshcd_vops_setup_regulators(hba, false);
-
 	ufshcd_vops_exit(hba);
 }
 
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index 7a7e056a33a9..21de7607611f 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -277,7 +277,6 @@ struct ufs_pwr_mode_info {
  * @get_ufs_hci_version: called to get UFS HCI version
  * @clk_scale_notify: notifies that clks are scaled up/down
  * @setup_clocks: called before touching any of the controller registers
- * @setup_regulators: called before accessing the host controller
  * @hce_enable_notify: called before and after HCE enable bit is set to allow
  *                     variant specific Uni-Pro initialization.
  * @link_startup_notify: called before and after Link startup is carried out
@@ -307,7 +306,6 @@ struct ufs_hba_variant_ops {
 				    enum ufs_notify_change_status);
 	int	(*setup_clocks)(struct ufs_hba *, bool,
 				enum ufs_notify_change_status);
-	int     (*setup_regulators)(struct ufs_hba *, bool);
 	int	(*hce_enable_notify)(struct ufs_hba *,
 				     enum ufs_notify_change_status);
 	int	(*link_startup_notify)(struct ufs_hba *,
@@ -1119,14 +1117,6 @@ static inline int ufshcd_vops_setup_clocks(struct ufs_hba *hba, bool on,
 	return 0;
 }
 
-static inline int ufshcd_vops_setup_regulators(struct ufs_hba *hba, bool status)
-{
-	if (hba->vops && hba->vops->setup_regulators)
-		return hba->vops->setup_regulators(hba, status);
-
-	return 0;
-}
-
 static inline int ufshcd_vops_hce_enable_notify(struct ufs_hba *hba,
 						bool status)
 {
-- 
2.18.0

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