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-rw-r--r--drivers/regulator/core.c73
-rw-r--r--drivers/regulator/palmas-regulator.c2
-rw-r--r--drivers/regulator/qcom_smd-regulator.c34
-rw-r--r--drivers/regulator/qcom_spmi-regulator.c34
-rw-r--r--drivers/regulator/stpmic1_regulator.c2
5 files changed, 117 insertions, 28 deletions
diff --git a/drivers/regulator/core.c b/drivers/regulator/core.c
index a6cb84af989e..4aa9ec8c22f3 100644
--- a/drivers/regulator/core.c
+++ b/drivers/regulator/core.c
@@ -2919,7 +2919,8 @@ static int _regulator_enable(struct regulator *regulator)
/* Fallthrough on positive return values - already enabled */
}
- rdev->use_count++;
+ if (regulator->enable_count == 1)
+ rdev->use_count++;
return 0;
@@ -2994,37 +2995,40 @@ static int _regulator_disable(struct regulator *regulator)
lockdep_assert_held_once(&rdev->mutex.base);
- if (WARN(rdev->use_count <= 0,
+ if (WARN(regulator->enable_count == 0,
"unbalanced disables for %s\n", rdev_get_name(rdev)))
return -EIO;
- /* are we the last user and permitted to disable ? */
- if (rdev->use_count == 1 &&
- (rdev->constraints && !rdev->constraints->always_on)) {
-
- /* we are last user */
- if (regulator_ops_is_valid(rdev, REGULATOR_CHANGE_STATUS)) {
- ret = _notifier_call_chain(rdev,
- REGULATOR_EVENT_PRE_DISABLE,
- NULL);
- if (ret & NOTIFY_STOP_MASK)
- return -EINVAL;
-
- ret = _regulator_do_disable(rdev);
- if (ret < 0) {
- rdev_err(rdev, "failed to disable: %pe\n", ERR_PTR(ret));
- _notifier_call_chain(rdev,
- REGULATOR_EVENT_ABORT_DISABLE,
+ if (regulator->enable_count == 1) {
+ /* disabling last enable_count from this regulator */
+ /* are we the last user and permitted to disable ? */
+ if (rdev->use_count == 1 &&
+ (rdev->constraints && !rdev->constraints->always_on)) {
+
+ /* we are last user */
+ if (regulator_ops_is_valid(rdev, REGULATOR_CHANGE_STATUS)) {
+ ret = _notifier_call_chain(rdev,
+ REGULATOR_EVENT_PRE_DISABLE,
+ NULL);
+ if (ret & NOTIFY_STOP_MASK)
+ return -EINVAL;
+
+ ret = _regulator_do_disable(rdev);
+ if (ret < 0) {
+ rdev_err(rdev, "failed to disable: %pe\n", ERR_PTR(ret));
+ _notifier_call_chain(rdev,
+ REGULATOR_EVENT_ABORT_DISABLE,
+ NULL);
+ return ret;
+ }
+ _notifier_call_chain(rdev, REGULATOR_EVENT_DISABLE,
NULL);
- return ret;
}
- _notifier_call_chain(rdev, REGULATOR_EVENT_DISABLE,
- NULL);
- }
- rdev->use_count = 0;
- } else if (rdev->use_count > 1) {
- rdev->use_count--;
+ rdev->use_count = 0;
+ } else if (rdev->use_count > 1) {
+ rdev->use_count--;
+ }
}
if (ret == 0)
@@ -6272,6 +6276,14 @@ unlock:
return 0;
}
+static bool regulator_ignore_unused;
+static int __init regulator_ignore_unused_setup(char *__unused)
+{
+ regulator_ignore_unused = true;
+ return 1;
+}
+__setup("regulator_ignore_unused", regulator_ignore_unused_setup);
+
static void regulator_init_complete_work_function(struct work_struct *work)
{
/*
@@ -6284,6 +6296,15 @@ static void regulator_init_complete_work_function(struct work_struct *work)
class_for_each_device(&regulator_class, NULL, NULL,
regulator_register_resolve_supply);
+ /*
+ * For debugging purposes, it may be useful to prevent unused
+ * regulators from being disabled.
+ */
+ if (regulator_ignore_unused) {
+ pr_warn("regulator: Not disabling unused regulators\n");
+ return;
+ }
+
/* If we have a full configuration then disable any regulators
* we have permission to change the status for and which are
* not in use or always_on. This is effectively the default
diff --git a/drivers/regulator/palmas-regulator.c b/drivers/regulator/palmas-regulator.c
index e0dc033aae0f..60656a815b9e 100644
--- a/drivers/regulator/palmas-regulator.c
+++ b/drivers/regulator/palmas-regulator.c
@@ -1594,7 +1594,7 @@ static const struct of_device_id of_palmas_match_tbl[] = {
static int palmas_regulators_probe(struct platform_device *pdev)
{
struct palmas *palmas = dev_get_drvdata(pdev->dev.parent);
- struct palmas_pmic_platform_data *pdata = dev_get_platdata(&pdev->dev);
+ struct palmas_pmic_platform_data *pdata;
struct device_node *node = pdev->dev.of_node;
struct palmas_pmic_driver_data *driver_data;
struct regulator_config config = { };
diff --git a/drivers/regulator/qcom_smd-regulator.c b/drivers/regulator/qcom_smd-regulator.c
index f53ada076252..09c471a0ba2e 100644
--- a/drivers/regulator/qcom_smd-regulator.c
+++ b/drivers/regulator/qcom_smd-regulator.c
@@ -1012,6 +1012,39 @@ static const struct rpm_regulator_data rpm_pm8916_regulators[] = {
{}
};
+static const struct rpm_regulator_data rpm_pm8937_regulators[] = {
+ { "s1", QCOM_SMD_RPM_SMPA, 1, &pm8994_hfsmps, "vdd_s1" },
+ { "s2", QCOM_SMD_RPM_SMPA, 2, &pm8994_hfsmps, "vdd_s2" },
+ { "s3", QCOM_SMD_RPM_SMPA, 3, &pm8994_hfsmps, "vdd_s3" },
+ { "s4", QCOM_SMD_RPM_SMPA, 4, &pm8994_hfsmps, "vdd_s4" },
+ /* S5 - S6 are managed by SPMI */
+
+ { "l1", QCOM_SMD_RPM_LDOA, 1, &pm8953_ult_nldo, "vdd_l1_l19" },
+ { "l2", QCOM_SMD_RPM_LDOA, 2, &pm8953_ult_nldo, "vdd_l2_l23" },
+ { "l3", QCOM_SMD_RPM_LDOA, 3, &pm8953_ult_nldo, "vdd_l3" },
+ { "l4", QCOM_SMD_RPM_LDOA, 4, &pm8950_ult_pldo, "vdd_l4_l5_l6_l7_l16" },
+ { "l5", QCOM_SMD_RPM_LDOA, 5, &pm8950_ult_pldo, "vdd_l4_l5_l6_l7_l16" },
+ { "l6", QCOM_SMD_RPM_LDOA, 6, &pm8950_ult_pldo, "vdd_l4_l5_l6_l7_l16" },
+ { "l7", QCOM_SMD_RPM_LDOA, 7, &pm8950_ult_pldo, "vdd_l4_l5_l6_l7_l16" },
+ { "l8", QCOM_SMD_RPM_LDOA, 8, &pm8950_ult_pldo, "vdd_l8_l11_l12_l17_l22" },
+ { "l9", QCOM_SMD_RPM_LDOA, 9, &pm8950_ult_pldo, "vdd_l9_l10_l13_l14_l15_l18" },
+ { "l10", QCOM_SMD_RPM_LDOA, 10, &pm8950_ult_pldo, "vdd_l9_l10_l13_l14_l15_l18"},
+ { "l11", QCOM_SMD_RPM_LDOA, 11, &pm8950_ult_pldo, "vdd_l8_l11_l12_l17_l22" },
+ { "l12", QCOM_SMD_RPM_LDOA, 12, &pm8950_ult_pldo, "vdd_l8_l11_l12_l17_l22" },
+ { "l13", QCOM_SMD_RPM_LDOA, 13, &pm8950_ult_pldo, "vdd_l9_l10_l13_l14_l15_l18" },
+ { "l14", QCOM_SMD_RPM_LDOA, 14, &pm8950_ult_pldo, "vdd_l9_l10_l13_l14_l15_l18" },
+ { "l15", QCOM_SMD_RPM_LDOA, 15, &pm8950_ult_pldo, "vdd_l9_l10_l13_l14_l15_l18" },
+ { "l16", QCOM_SMD_RPM_LDOA, 16, &pm8950_ult_pldo, "vdd_l4_l5_l6_l7_l16" },
+ { "l17", QCOM_SMD_RPM_LDOA, 17, &pm8950_ult_pldo, "vdd_l8_l11_l12_l17_l22" },
+ { "l18", QCOM_SMD_RPM_LDOA, 18, &pm8950_ult_pldo, "vdd_l9_l10_l13_l14_l15_l18" },
+ { "l19", QCOM_SMD_RPM_LDOA, 19, &pm8953_ult_nldo, "vdd_l1_l19" },
+ { "l20", QCOM_SMD_RPM_LDOA, 20, &pm8953_lnldo, "vdd_l20_l21" },
+ { "l21", QCOM_SMD_RPM_LDOA, 21, &pm8953_lnldo, "vdd_l20_l21" },
+ { "l22", QCOM_SMD_RPM_LDOA, 22, &pm8950_ult_pldo, "vdd_l8_l11_l12_l17_l22" },
+ { "l23", QCOM_SMD_RPM_LDOA, 23, &pm8994_nldo, "vdd_l2_l23" },
+ {}
+};
+
static const struct rpm_regulator_data rpm_pm8941_regulators[] = {
{ "s1", QCOM_SMD_RPM_SMPA, 1, &pm8x41_hfsmps, "vdd_s1" },
{ "s2", QCOM_SMD_RPM_SMPA, 2, &pm8x41_hfsmps, "vdd_s2" },
@@ -1329,6 +1362,7 @@ static const struct of_device_id rpm_of_match[] = {
{ .compatible = "qcom,rpm-pm8841-regulators", .data = &rpm_pm8841_regulators },
{ .compatible = "qcom,rpm-pm8909-regulators", .data = &rpm_pm8909_regulators },
{ .compatible = "qcom,rpm-pm8916-regulators", .data = &rpm_pm8916_regulators },
+ { .compatible = "qcom,rpm-pm8937-regulators", .data = &rpm_pm8937_regulators },
{ .compatible = "qcom,rpm-pm8941-regulators", .data = &rpm_pm8941_regulators },
{ .compatible = "qcom,rpm-pm8950-regulators", .data = &rpm_pm8950_regulators },
{ .compatible = "qcom,rpm-pm8953-regulators", .data = &rpm_pm8953_regulators },
diff --git a/drivers/regulator/qcom_spmi-regulator.c b/drivers/regulator/qcom_spmi-regulator.c
index 94f9092b29ef..9a9fa20dcd95 100644
--- a/drivers/regulator/qcom_spmi-regulator.c
+++ b/drivers/regulator/qcom_spmi-regulator.c
@@ -2239,6 +2239,39 @@ static const struct spmi_regulator_data pm8916_regulators[] = {
{ }
};
+static const struct spmi_regulator_data pm8937_regulators[] = {
+ { "s1", 0x1400, "vdd_s1", },
+ { "s2", 0x1700, "vdd_s2", },
+ { "s3", 0x1a00, "vdd_s3", },
+ { "s4", 0x1d00, "vdd_s4", },
+ { "s5", 0x2000, "vdd_s5", },
+ { "s6", 0x2300, "vdd_s6", },
+ { "l1", 0x4000, "vdd_l1_l19", },
+ { "l2", 0x4100, "vdd_l2_l23", },
+ { "l3", 0x4200, "vdd_l3", },
+ { "l4", 0x4300, "vdd_l4_l5_l6_l7_l16", },
+ { "l5", 0x4400, "vdd_l4_l5_l6_l7_l16", },
+ { "l6", 0x4500, "vdd_l4_l5_l6_l7_l16", },
+ { "l7", 0x4600, "vdd_l4_l5_l6_l7_l16", },
+ { "l8", 0x4700, "vdd_l8_l11_l12_l17_l22", },
+ { "l9", 0x4800, "vdd_l9_l10_l13_l14_l15_l18", },
+ { "l10", 0x4900, "vdd_l9_l10_l13_l14_l15_l18", },
+ { "l11", 0x4a00, "vdd_l8_l11_l12_l17_l22", },
+ { "l12", 0x4b00, "vdd_l8_l11_l12_l17_l22", },
+ { "l13", 0x4c00, "vdd_l9_l10_l13_l14_l15_l18", },
+ { "l14", 0x4d00, "vdd_l9_l10_l13_l14_l15_l18", },
+ { "l15", 0x4e00, "vdd_l9_l10_l13_l14_l15_l18", },
+ { "l16", 0x4f00, "vdd_l4_l5_l6_l7_l16", },
+ { "l17", 0x5000, "vdd_l8_l11_l12_l17_l22", },
+ { "l18", 0x5100, "vdd_l9_l10_l13_l14_l15_l18", },
+ { "l19", 0x5200, "vdd_l1_l19", },
+ { "l20", 0x5300, "vdd_l20_l21", },
+ { "l21", 0x5400, "vdd_l21_l21", },
+ { "l22", 0x5500, "vdd_l8_l11_l12_l17_l22", },
+ { "l23", 0x5600, "vdd_l2_l23", },
+ { }
+};
+
static const struct spmi_regulator_data pm8941_regulators[] = {
{ "s1", 0x1400, "vdd_s1", },
{ "s2", 0x1700, "vdd_s2", },
@@ -2453,6 +2486,7 @@ static const struct of_device_id qcom_spmi_regulator_match[] = {
{ .compatible = "qcom,pm8841-regulators", .data = &pm8841_regulators },
{ .compatible = "qcom,pm8909-regulators", .data = &pm8909_regulators },
{ .compatible = "qcom,pm8916-regulators", .data = &pm8916_regulators },
+ { .compatible = "qcom,pm8937-regulators", .data = &pm8937_regulators },
{ .compatible = "qcom,pm8941-regulators", .data = &pm8941_regulators },
{ .compatible = "qcom,pm8950-regulators", .data = &pm8950_regulators },
{ .compatible = "qcom,pm8994-regulators", .data = &pm8994_regulators },
diff --git a/drivers/regulator/stpmic1_regulator.c b/drivers/regulator/stpmic1_regulator.c
index 79d1a3eb18d4..a498df7cb016 100644
--- a/drivers/regulator/stpmic1_regulator.c
+++ b/drivers/regulator/stpmic1_regulator.c
@@ -15,7 +15,7 @@
#include <dt-bindings/mfd/st,stpmic1.h>
/**
- * struct stpmic1 regulator description: this structure is used as driver data
+ * struct stpmic1_regulator_cfg - this structure is used as driver data
* @desc: regulator framework description
* @mask_reset_reg: mask reset register address
* @mask_reset_mask: mask rank and mask reset register mask