Commit 54770cbe authored by Stanley Chu's avatar Stanley Chu Committed by Martin K. Petersen
Browse files

scsi: ufs: ufs-mediatek: Refactor performance scaling functions 

Refactor performance scaling related functions in MediaTek UFS driver.

Link: https://lore.kernel.org/r/20201116065054.7658-2-stanley.chu@mediatek.com


Reviewed-by: default avatarBean Huo <beanhuo@micron.com>
Signed-off-by: default avatarStanley Chu <stanley.chu@mediatek.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 983f761c

drivers/scsi/ufs/ufs-mediatek.c

+16 −8
Original line number Diff line number Diff line
@@ -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;