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From:   Stanley Chu <stanley.chu@mediatek.com>
To:     <linux-scsi@vger.kernel.org>, <martin.petersen@oracle.com>,
        <avri.altman@wdc.com>, <alim.akhtar@samsung.com>,
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        <cang@codeaurora.org>, <kwmad.kim@samsung.com>,
        <liwei213@huawei.com>, <matthias.bgg@gmail.com>,
        <linux-mediatek@lists.infradead.org>,
        <linux-arm-kernel@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>, <kuohong.wang@mediatek.com>,
        <peter.wang@mediatek.com>, <chun-hung.wu@mediatek.com>,
        <andy.teng@mediatek.com>, <chaotian.jing@mediatek.com>,
        <cc.chou@mediatek.com>, <jiajie.hao@mediatek.com>,
        <alice.chao@mediatek.com>, Stanley Chu <stanley.chu@mediatek.com>
Subject: [PATCH v1 1/9] scsi: ufs-mediatek: Refactor performance scaling functions
Date:   Mon, 16 Nov 2020 14:50:46 +0800
Message-ID: <20201116065054.7658-2-stanley.chu@mediatek.com>
In-Reply-To: <20201116065054.7658-1-stanley.chu@mediatek.com>
References: <20201116065054.7658-1-stanley.chu@mediatek.com>
MIME-Version: 1.0
Content-Type: text/plain
Precedence: bulk

Refactor preformance scaling related functions in MediaTek
UFS driver.

Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
---
 drivers/scsi/ufs/ufs-mediatek.c | 24 ++++++++++++++++--------
 1 file changed, 16 insertions(+), 8 deletions(-)

diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index 7fed7630d36c..b9b423752ee1 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -514,6 +514,19 @@ static void ufs_mtk_init_host_caps(struct ufs_hba *hba)
 	dev_info(hba->dev, "caps: 0x%x", host->caps);
 }
 
+static void ufs_mtk_scale_perf(struct ufs_hba *hba, bool up)
+{
+	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
+
+	ufs_mtk_boost_crypt(hba, up);
+	ufs_mtk_setup_ref_clk(hba, up);
+
+	if (up)
+		phy_power_on(host->mphy);
+	else
+		phy_power_off(host->mphy);
+}
+
 /**
  * ufs_mtk_setup_clocks - enables/disable clocks
  * @hba: host controller instance
@@ -555,15 +568,10 @@ static int ufs_mtk_setup_clocks(struct ufs_hba *hba, bool on,
 				clk_pwr_off = true;
 		}
 
-		if (clk_pwr_off) {
-			ufs_mtk_boost_crypt(hba, on);
-			ufs_mtk_setup_ref_clk(hba, on);
-			phy_power_off(host->mphy);
-		}
+		if (clk_pwr_off)
+			ufs_mtk_scale_perf(hba, false);
 	} else if (on && status == POST_CHANGE) {
-		phy_power_on(host->mphy);
-		ufs_mtk_setup_ref_clk(hba, on);
-		ufs_mtk_boost_crypt(hba, on);
+		ufs_mtk_scale_perf(hba, true);
 	}
 
 	return ret;
-- 
2.18.0