diff options
| author | Stanley Chu <stanley.chu@mediatek.com> | 2020-06-01 12:46:42 +0200 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2020-06-16 05:06:39 +0200 |
| commit | fb43337cd4cff6639b174e3b6766e6eade523836 (patch) | |
| tree | ec6de8d7d90a652bc3eef23cebb94f867df4b2c6 /drivers/scsi/ufs/ufs-mediatek.h | |
| parent | scsi: ufs: ufs-exynos: Add UFS host support for Exynos SoCs (diff) | |
| download | linux-fb43337cd4cff6639b174e3b6766e6eade523836.tar.xz linux-fb43337cd4cff6639b174e3b6766e6eade523836.zip | |
scsi: ufs-mediatek: Fix imprecise waiting time for ref-clk control
Currently ref-clk control timeout is implemented by jiffies. However
jiffies is not accurate enough thus "false timeout" may happen.
Use more accurate delay mechanism instead, i.e. ktime.
Link: https://lore.kernel.org/r/20200601104646.15436-2-stanley.chu@mediatek.com
Reviewed-by: Andy Teng <andy.teng@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 '')
| -rw-r--r-- | drivers/scsi/ufs/ufs-mediatek.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/scsi/ufs/ufs-mediatek.h b/drivers/scsi/ufs/ufs-mediatek.h index 5bbd3e9cbae2..fc42dcbfd800 100644 --- a/drivers/scsi/ufs/ufs-mediatek.h +++ b/drivers/scsi/ufs/ufs-mediatek.h @@ -28,7 +28,7 @@ #define REFCLK_REQUEST BIT(0) #define REFCLK_ACK BIT(1) -#define REFCLK_REQ_TIMEOUT_MS 3 +#define REFCLK_REQ_TIMEOUT_US 3000 /* * Vendor specific pre-defined parameters |