From fc4983018fea1237e027a9fc6530a3e04850fbfa Mon Sep 17 00:00:00 2001
From: Stanley Chu <stanley.chu@mediatek.com>
Date: Mon, 1 Jun 2020 18:46:46 +0800
Subject: [PATCH] scsi: ufs-mediatek: Allow unbound mphy

Allow unbound MPHY module since not every MediaTek UFS platform needs
specific MPHY control.

Link: https://lore.kernel.org/r/20200601104646.15436-6-stanley.chu@mediatek.com
Reviewed-by: Peter Wang <peter.wang@mediatek.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
 drivers/scsi/ufs/ufs-mediatek.c | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index 1cc7bea1468b0..9a4432c9f7dc9 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -113,6 +113,12 @@ static int ufs_mtk_bind_mphy(struct ufs_hba *hba)
 
 	if (err)
 		host->mphy = NULL;
+	/*
+	 * Allow unbound mphy because not every platform needs specific
+	 * mphy control.
+	 */
+	if (err == -ENODEV)
+		err = 0;
 
 	return err;
 }
-- 
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