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Revert "FROMGIT: scsi: ufs: ufs-qcom: Add support for reinitializing the UFS device"

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This reverts commit e2379e8f90.

UFS G4 patchseries broke RB5 (sm8250). Reverting a minimal
set of patches to get the device booting again.

Bug: 146449535
Change-Id: If5ff418a051e9b22ab945723bc49705d7d682980
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
This commit is contained in:
Amit Pundir
2023-04-06 23:23:51 +05:30
committed by Treehugger Robot
parent 78ba77a98a
commit 5160e718d2
3 changed files with 4 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files

26
drivers/ufs/host/ufs-qcom.c
View File

@@ -303,6 +303,7 @@ static int ufs_qcom_power_up_sequence(struct ufs_hba *hba)
struct ufs_qcom_host *host = ufshcd_get_variant(hba);
struct phy *phy = host->generic_phy;
int ret;
bool is_rate_B = UFS_QCOM_LIMIT_HS_RATE == PA_HS_MODE_B;
/* Reset UFS Host Controller and PHY */
ret = ufs_qcom_host_reset(hba);
@@ -310,6 +311,9 @@ static int ufs_qcom_power_up_sequence(struct ufs_hba *hba)
dev_warn(hba->dev, "%s: host reset returned %d\n",
__func__, ret);
if (is_rate_B)
phy_set_mode(phy, PHY_MODE_UFS_HS_B);
/* phy initialization - calibrate the phy */
ret = phy_init(phy);
if (ret) {
@@ -318,8 +322,6 @@ static int ufs_qcom_power_up_sequence(struct ufs_hba *hba)
return ret;
}
phy_set_mode_ext(phy, PHY_MODE_UFS_HS_B, host->hs_gear);
/* power on phy - start serdes and phy's power and clocks */
ret = phy_power_on(phy);
if (ret) {
@@ -722,9 +724,6 @@ static int ufs_qcom_pwr_change_notify(struct ufs_hba *hba,
return ret;
}
/* Use the agreed gear */
host->hs_gear = dev_req_params->gear_tx;
/* enable the device ref clock before changing to HS mode */
if (!ufshcd_is_hs_mode(&hba->pwr_info) &&
ufshcd_is_hs_mode(dev_req_params))
@@ -838,9 +837,6 @@ static void ufs_qcom_advertise_quirks(struct ufs_hba *hba)
| UFSHCD_QUIRK_DME_PEER_ACCESS_AUTO_MODE
| UFSHCD_QUIRK_BROKEN_PA_RXHSUNTERMCAP);
}
if (host->hw_ver.major > 0x3)
hba->quirks |= UFSHCD_QUIRK_REINIT_AFTER_MAX_GEAR_SWITCH;
}
static void ufs_qcom_set_caps(struct ufs_hba *hba)
@@ -1048,12 +1044,6 @@ static int ufs_qcom_init(struct ufs_hba *hba)
dev_warn(dev, "%s: failed to configure the testbus %d\n",
__func__, err);
/*
* Power up the PHY using the minimum supported gear (UFS_HS_G2).
* Switching to max gear will be performed during reinit if supported.
*/
host->hs_gear = UFS_HS_G2;
return 0;
out_variant_clear:
@@ -1397,13 +1387,6 @@ static void ufs_qcom_config_scaling_param(struct ufs_hba *hba,
}
#endif
static void ufs_qcom_reinit_notify(struct ufs_hba *hba)
{
struct ufs_qcom_host *host = ufshcd_get_variant(hba);
phy_power_off(host->generic_phy);
}
/* Resources */
static const struct ufshcd_res_info ufs_res_info[RES_MAX] = {
{.name = "ufs_mem",},
@@ -1650,7 +1633,6 @@ static const struct ufs_hba_variant_ops ufs_hba_qcom_vops = {
.device_reset = ufs_qcom_device_reset,
.config_scaling_param = ufs_qcom_config_scaling_param,
.program_key = ufs_qcom_ice_program_key,
.reinit_notify = ufs_qcom_reinit_notify,
.mcq_config_resource = ufs_qcom_mcq_config_resource,
.get_hba_mac = ufs_qcom_get_hba_mac,
.op_runtime_config = ufs_qcom_op_runtime_config,

2
drivers/ufs/host/ufs-qcom.h
View File

@@ -218,8 +218,6 @@ struct ufs_qcom_host {
struct gpio_desc *device_reset;
u32 hs_gear;
int esi_base;
bool esi_enabled;
};

6
include/ufs/ufshcd.h
View File

@@ -610,12 +610,6 @@ enum ufshcd_quirks {
* auto-hibernate capability but it's FASTAUTO only.
*/
UFSHCD_QUIRK_HIBERN_FASTAUTO = 1 << 18,
/*
* This quirk needs to be enabled if the host controller needs
* to reinit the device after switching to maximum gear.
*/
UFSHCD_QUIRK_REINIT_AFTER_MAX_GEAR_SWITCH = 1 << 19,
};
enum ufshcd_android_quirks {