Commit c2f755d2 authored by Stanley Chu's avatar Stanley Chu Committed by Martin K. Petersen
Browse files

scsi: ufs-mediatek: use common delay function 

A common delay function is introduced in UFS core driver, thus ufs-mediatek
can use it instead of the private delay function.

Link: https://lore.kernel.org/r/20200318104016.28049-5-stanley.chu@mediatek.com


Reviewed-by: default avatarAvri Altman <avri.altman@wdc.com>
Signed-off-by: default avatarStanley Chu <stanley.chu@mediatek.com>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 5c955c10

drivers/scsi/ufs/ufs-mediatek.c

+2 −13
Original line number Diff line number Diff line
@@ -100,17 +100,6 @@ static int ufs_mtk_bind_mphy(struct ufs_hba *hba) 
	return err;

}



static void ufs_mtk_udelay(unsigned long us)

{

	if (!us)

		return;



	if (us < 10)

		udelay(us);

	else

		usleep_range(us, us + 10);

}



static int ufs_mtk_setup_ref_clk(struct ufs_hba *hba, bool on)

{

	struct ufs_mtk_host *host = ufshcd_get_variant(hba);
@@ -123,7 +112,7 @@ static int ufs_mtk_setup_ref_clk(struct ufs_hba *hba, bool on) 


	if (on) {

		ufs_mtk_ref_clk_notify(on, res);

		ufs_mtk_udelay(host->ref_clk_ungating_wait_us);

		ufshcd_delay_us(host->ref_clk_ungating_wait_us, 10);

		ufshcd_writel(hba, REFCLK_REQUEST, REG_UFS_REFCLK_CTRL);

	} else {

		ufshcd_writel(hba, REFCLK_RELEASE, REG_UFS_REFCLK_CTRL);
@@ -150,7 +139,7 @@ static int ufs_mtk_setup_ref_clk(struct ufs_hba *hba, bool on) 
out:

	host->ref_clk_enabled = on;

	if (!on) {

		ufs_mtk_udelay(host->ref_clk_gating_wait_us);

		ufshcd_delay_us(host->ref_clk_gating_wait_us, 10);

		ufs_mtk_ref_clk_notify(on, res);

	}

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