diff options
author | Stanley Chu <stanley.chu@mediatek.com> | 2020-03-18 18:40:13 +0800 |
---|---|---|
committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-03-26 22:07:14 -0400 |
commit | c2f755d2c904717ff62119b54b2e1f783884a16c (patch) | |
tree | f70675db7622661fc87aefd269852fd34897fa4e /drivers/scsi | |
parent | 5c955c10d0c26eb920f9cfad11adb58c93f666a0 (diff) | |
download | linux-c2f755d2c904717ff62119b54b2e1f783884a16c.tar.bz2 |
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: 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>
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/ufs/ufs-mediatek.c | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c index 3b0e575d7460..73bd4c245f4a 100644 --- a/drivers/scsi/ufs/ufs-mediatek.c +++ b/drivers/scsi/ufs/ufs-mediatek.c @@ -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); } |