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path: root/drivers/ufs/host/ufs-qcom.c
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Diffstat (limited to 'drivers/ufs/host/ufs-qcom.c')
-rw-r--r--drivers/ufs/host/ufs-qcom.c31
1 files changed, 19 insertions, 12 deletions
diff --git a/drivers/ufs/host/ufs-qcom.c b/drivers/ufs/host/ufs-qcom.c
index 68040b2ab5f8..91e94fe990b4 100644
--- a/drivers/ufs/host/ufs-qcom.c
+++ b/drivers/ufs/host/ufs-qcom.c
@@ -368,6 +368,11 @@ static int ufs_qcom_power_up_sequence(struct ufs_hba *hba)
if (ret)
return ret;
+ if (phy->power_count) {
+ phy_power_off(phy);
+ phy_exit(phy);
+ }
+
/* phy initialization - calibrate the phy */
ret = phy_init(phy);
if (ret) {
@@ -866,6 +871,7 @@ static u32 ufs_qcom_get_ufs_hci_version(struct ufs_hba *hba)
*/
static void ufs_qcom_advertise_quirks(struct ufs_hba *hba)
{
+ const struct ufs_qcom_drvdata *drvdata = of_device_get_match_data(hba->dev);
struct ufs_qcom_host *host = ufshcd_get_variant(hba);
if (host->hw_ver.major == 0x2)
@@ -874,9 +880,8 @@ static void ufs_qcom_advertise_quirks(struct ufs_hba *hba)
if (host->hw_ver.major > 0x3)
hba->quirks |= UFSHCD_QUIRK_REINIT_AFTER_MAX_GEAR_SWITCH;
- if (of_device_is_compatible(hba->dev->of_node, "qcom,sm8550-ufshc") ||
- of_device_is_compatible(hba->dev->of_node, "qcom,sm8650-ufshc"))
- hba->quirks |= UFSHCD_QUIRK_BROKEN_LSDBS_CAP;
+ if (drvdata && drvdata->quirks)
+ hba->quirks |= drvdata->quirks;
}
static void ufs_qcom_set_phy_gear(struct ufs_qcom_host *host)
@@ -1064,6 +1069,7 @@ static int ufs_qcom_init(struct ufs_hba *hba)
struct device *dev = hba->dev;
struct ufs_qcom_host *host;
struct ufs_clk_info *clki;
+ const struct ufs_qcom_drvdata *drvdata = of_device_get_match_data(hba->dev);
host = devm_kzalloc(dev, sizeof(*host), GFP_KERNEL);
if (!host)
@@ -1143,6 +1149,9 @@ static int ufs_qcom_init(struct ufs_hba *hba)
dev_warn(dev, "%s: failed to configure the testbus %d\n",
__func__, err);
+ if (drvdata && drvdata->no_phy_retention)
+ hba->spm_lvl = UFS_PM_LVL_5;
+
return 0;
out_variant_clear:
@@ -1579,13 +1588,6 @@ 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",},
@@ -1825,7 +1827,6 @@ 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,
@@ -1868,9 +1869,15 @@ static void ufs_qcom_remove(struct platform_device *pdev)
platform_device_msi_free_irqs_all(hba->dev);
}
+static const struct ufs_qcom_drvdata ufs_qcom_sm8550_drvdata = {
+ .quirks = UFSHCD_QUIRK_BROKEN_LSDBS_CAP,
+ .no_phy_retention = true,
+};
+
static const struct of_device_id ufs_qcom_of_match[] __maybe_unused = {
{ .compatible = "qcom,ufshc" },
- { .compatible = "qcom,sm8550-ufshc" },
+ { .compatible = "qcom,sm8550-ufshc", .data = &ufs_qcom_sm8550_drvdata },
+ { .compatible = "qcom,sm8650-ufshc", .data = &ufs_qcom_sm8550_drvdata },
{},
};
MODULE_DEVICE_TABLE(of, ufs_qcom_of_match);