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Message-ID: <20201116065054.7658-2-stanley.chu@mediatek.com>
Date: Mon, 16 Nov 2020 14:50:46 +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>, <kwmad.kim@...sung.com>,
<liwei213@...wei.com>, <matthias.bgg@...il.com>,
<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>, Stanley Chu <stanley.chu@...iatek.com>
Subject: [PATCH v1 1/9] scsi: ufs-mediatek: Refactor performance scaling functions
Refactor preformance scaling related functions in MediaTek
UFS driver.
Signed-off-by: Stanley Chu <stanley.chu@...iatek.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
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