diff options
| author | Evan Green <evgreen@chromium.org> | 2019-03-21 10:17:59 -0700 |
|---|---|---|
| committer | Kishon Vijay Abraham I <kishon@ti.com> | 2019-04-17 14:12:56 +0530 |
| commit | c9b589791fc1b37fdca35b621dae62e98e4c95fc (patch) | |
| tree | 6049f17f5e3586f311376670fd2ff5287e9a0828 /drivers/scsi | |
| parent | 12fd5f250db2ad6b292d3a28bc3c0011fe30511f (diff) | |
| download | blackbird-op-linux-c9b589791fc1b37fdca35b621dae62e98e4c95fc.tar.gz blackbird-op-linux-c9b589791fc1b37fdca35b621dae62e98e4c95fc.zip | |
phy: qcom: Utilize UFS reset controller
Move the PHY reset from ufs-qcom into the respective PHYs. This will
allow us to merge the two phases of UFS PHY initialization.
Signed-off-by: Evan Green <evgreen@chromium.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'drivers/scsi')
| -rw-r--r-- | drivers/scsi/ufs/ufs-qcom.c | 18 |
1 files changed, 0 insertions, 18 deletions
diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c index ab05ef5cfdcd..1c25b1c82314 100644 --- a/drivers/scsi/ufs/ufs-qcom.c +++ b/drivers/scsi/ufs/ufs-qcom.c @@ -261,11 +261,6 @@ static int ufs_qcom_power_up_sequence(struct ufs_hba *hba) if (is_rate_B) phy_set_mode(phy, PHY_MODE_UFS_HS_B); - /* Assert PHY reset and apply PHY calibration values */ - ufs_qcom_assert_reset(hba); - /* provide 1ms delay to let the reset pulse propagate */ - usleep_range(1000, 1100); - /* phy initialization - calibrate the phy */ ret = phy_init(phy); if (ret) { @@ -274,15 +269,6 @@ static int ufs_qcom_power_up_sequence(struct ufs_hba *hba) goto out; } - /* De-assert PHY reset and start serdes */ - ufs_qcom_deassert_reset(hba); - - /* - * after reset deassertion, phy will need all ref clocks, - * voltage, current to settle down before starting serdes. - */ - usleep_range(1000, 1100); - /* power on phy - start serdes and phy's power and clocks */ ret = phy_power_on(phy); if (ret) { @@ -296,7 +282,6 @@ static int ufs_qcom_power_up_sequence(struct ufs_hba *hba) return 0; out_disable_phy: - ufs_qcom_assert_reset(hba); phy_exit(phy); out: return ret; @@ -559,9 +544,6 @@ static int ufs_qcom_suspend(struct ufs_hba *hba, enum ufs_pm_op pm_op) */ ufs_qcom_disable_lane_clks(host); phy_power_off(phy); - - /* Assert PHY soft reset */ - ufs_qcom_assert_reset(hba); goto out; } |
