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authorStanley Chu <stanley.chu@mediatek.com>2020-03-18 18:40:13 +0800
committerMartin K. Petersen <martin.petersen@oracle.com>2020-03-26 22:07:14 -0400
commitc2f755d2c904717ff62119b54b2e1f783884a16c (patch)
treef70675db7622661fc87aefd269852fd34897fa4e /drivers/scsi
parent5c955c10d0c26eb920f9cfad11adb58c93f666a0 (diff)
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.c15
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);
}