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scsi: ufs-mediatek: use common delay function

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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: Avri Altman <avri.altman@wdc.com>
Signed-off-by: Stanley Chu <stanley.chu@mediatek.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Stanley Chu 2020-03-18 18:40:13 +08:00 committed by Martin K. Petersen
parent 5c955c10d0
commit c2f755d2c9
1 changed files with 2 additions and 13 deletions
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15
drivers/scsi/ufs/ufs-mediatek.c
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@ -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);
}