Commit 25d542a8 authored by Peter Wang's avatar Peter Wang Committed by Martin K. Petersen
Browse files

scsi: ufs: ufs-mediatek: Fix wrong location for ref-clk delay 

Fix the location of delay for ref-clk gating and ungating in
ufs_mtk_setup_ref_clk().

Link: https://lore.kernel.org/r/20211016005802.7729-4-stanley.chu@mediatek.com


Reviewed-by: default avatarStanley Chu <stanley.chu@mediatek.com>
Signed-off-by: default avatarPeter Wang <peter.wang@mediatek.com>
Signed-off-by: default avatarStanley Chu <stanley.chu@mediatek.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 1eaff502

drivers/scsi/ufs/ufs-mediatek.c

+4 −4
Original line number Diff line number Diff line
@@ -247,9 +247,9 @@ static int ufs_mtk_setup_ref_clk(struct ufs_hba *hba, bool on) 


	if (on) {

		ufs_mtk_ref_clk_notify(on, res);

		ufshcd_delay_us(host->ref_clk_ungating_wait_us, 10);

		ufshcd_writel(hba, REFCLK_REQUEST, REG_UFS_REFCLK_CTRL);

	} else {

		ufshcd_delay_us(host->ref_clk_gating_wait_us, 10);

		ufshcd_writel(hba, REFCLK_RELEASE, REG_UFS_REFCLK_CTRL);

	}
@@ -274,10 +274,10 @@ static int ufs_mtk_setup_ref_clk(struct ufs_hba *hba, bool on) 


out:

	host->ref_clk_enabled = on;

	if (!on) {

		ufshcd_delay_us(host->ref_clk_gating_wait_us, 10);

	if (on)

		ufshcd_delay_us(host->ref_clk_ungating_wait_us, 10);

	else

		ufs_mtk_ref_clk_notify(on, res);

	}



	return 0;

}