This driver is ready for mainstream. Move it out of staging.

Signed-off-by: Mauro Carvalho Chehab <mchehab+hua...@kernel.org>
---
 MAINTAINERS                                   |   7 +-
 drivers/regulator/Kconfig                     |   8 +
 drivers/regulator/Makefile                    |   1 +
 drivers/regulator/hi6421v600-regulator.c      | 299 ++++++++++++++++++
 drivers/staging/Kconfig                       |   2 -
 drivers/staging/Makefile                      |   1 -
 drivers/staging/hikey9xx/Kconfig              |  11 -
 drivers/staging/hikey9xx/Makefile             |   3 -
 drivers/staging/hikey9xx/TODO                 |   5 -
 .../staging/hikey9xx/hi6421v600-regulator.c   | 299 ------------------
 10 files changed, 309 insertions(+), 327 deletions(-)
 create mode 100644 drivers/regulator/hi6421v600-regulator.c
 delete mode 100644 drivers/staging/hikey9xx/Kconfig
 delete mode 100644 drivers/staging/hikey9xx/Makefile
 delete mode 100644 drivers/staging/hikey9xx/TODO
 delete mode 100644 drivers/staging/hikey9xx/hi6421v600-regulator.c

diff --git a/MAINTAINERS b/MAINTAINERS
index 241f11b7d48a..5c5ad946c5d5 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -8091,12 +8091,7 @@ L:       linux-ker...@vger.kernel.org
 S:     Maintained
 F:     Documentation/devicetree/bindings/mfd/hisilicon,hi6421-spmi-pmic.yaml
 F:     drivers/mfd/hi6421-spmi-pmic.c
-
-HISILICON STAGING DRIVERS FOR HIKEY 960/970
-M:     Mauro Carvalho Chehab <mchehab+hua...@kernel.org>
-L:     de...@driverdev.osuosl.org
-S:     Maintained
-F:     drivers/staging/hikey9xx/
+F:     drivers/regulator/hi6421v600-regulator.c
 
 HISILICON TRUE RANDOM NUMBER GENERATOR V2 SUPPORT
 M:     Zaibo Xu <xuza...@huawei.com>
diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
index 5abdd29fb9f3..088474391da8 100644
--- a/drivers/regulator/Kconfig
+++ b/drivers/regulator/Kconfig
@@ -423,6 +423,14 @@ config REGULATOR_HI655X
          This driver provides support for the voltage regulators of the
          Hisilicon Hi655x PMIC device.
 
+config REGULATOR_HI6421V600
+       tristate "HiSilicon Hi6421v600 PMIC voltage regulator support"
+       depends on MFD_HI6421_SPMI && OF
+       help
+         This driver provides support for the voltage regulators on
+         HiSilicon Hi6421v600 PMU / Codec IC.
+         This is used on Kirin 3670 boards, like HiKey 970.
+
 config REGULATOR_ISL9305
        tristate "Intersil ISL9305 regulator"
        depends on I2C
diff --git a/drivers/regulator/Makefile b/drivers/regulator/Makefile
index 680e539f6579..77e519d2bc68 100644
--- a/drivers/regulator/Makefile
+++ b/drivers/regulator/Makefile
@@ -49,6 +49,7 @@ obj-$(CONFIG_REGULATOR_FAN53880) += fan53880.o
 obj-$(CONFIG_REGULATOR_GPIO) += gpio-regulator.o
 obj-$(CONFIG_REGULATOR_HI6421) += hi6421-regulator.o
 obj-$(CONFIG_REGULATOR_HI6421V530) += hi6421v530-regulator.o
+obj-$(CONFIG_REGULATOR_HI6421V600) += hi6421v600-regulator.o
 obj-$(CONFIG_REGULATOR_HI655X) += hi655x-regulator.o
 obj-$(CONFIG_REGULATOR_ISL6271A) += isl6271a-regulator.o
 obj-$(CONFIG_REGULATOR_ISL9305) += isl9305.o
diff --git a/drivers/regulator/hi6421v600-regulator.c 
b/drivers/regulator/hi6421v600-regulator.c
new file mode 100644
index 000000000000..c801bb840962
--- /dev/null
+++ b/drivers/regulator/hi6421v600-regulator.c
@@ -0,0 +1,299 @@
+// SPDX-License-Identifier: GPL-2.0
+//
+// Device driver for regulators in Hisi IC
+//
+// Copyright (c) 2013 Linaro Ltd.
+// Copyright (c) 2011 Hisilicon.
+// Copyright (c) 2020-2021 Huawei Technologies Co., Ltd
+//
+// Guodong Xu <guodong...@linaro.org>
+
+#include <linux/delay.h>
+#include <linux/mfd/hi6421-spmi-pmic.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/regmap.h>
+#include <linux/regulator/driver.h>
+#include <linux/spmi.h>
+
+struct hi6421_spmi_reg_info {
+       struct regulator_desc   desc;
+       struct hi6421_spmi_pmic *pmic;
+       u8                      eco_mode_mask;
+       u32                     eco_uA;
+
+       /* Serialize regulator enable logic */
+       struct mutex enable_mutex;
+};
+
+static const unsigned int ldo3_voltages[] = {
+       1500000, 1550000, 1600000, 1650000,
+       1700000, 1725000, 1750000, 1775000,
+       1800000, 1825000, 1850000, 1875000,
+       1900000, 1925000, 1950000, 2000000
+};
+
+static const unsigned int ldo4_voltages[] = {
+       1725000, 1750000, 1775000, 1800000,
+       1825000, 1850000, 1875000, 1900000
+};
+
+static const unsigned int ldo9_voltages[] = {
+       1750000, 1800000, 1825000, 2800000,
+       2850000, 2950000, 3000000, 3300000
+};
+
+static const unsigned int ldo15_voltages[] = {
+       1800000, 1850000, 2400000, 2600000,
+       2700000, 2850000, 2950000, 3000000
+};
+
+static const unsigned int ldo17_voltages[] = {
+       2500000, 2600000, 2700000, 2800000,
+       3000000, 3100000, 3200000, 3300000
+};
+
+static const unsigned int ldo34_voltages[] = {
+       2600000, 2700000, 2800000, 2900000,
+       3000000, 3100000, 3200000, 3300000
+};
+
+/**
+ * HI6421V600_LDO() - specify a LDO power line
+ * @_id: LDO id name string
+ * @vtable: voltage table
+ * @ereg: enable register
+ * @emask: enable mask
+ * @vreg: voltage select register
+ * @odelay: off/on delay time in uS
+ * @etime: enable time in uS
+ * @ecomask: eco mode mask
+ * @ecoamp: eco mode load uppler limit in uA
+ */
+#define HI6421V600_LDO(_id, vtable, ereg, emask, vreg,                        \
+                      odelay, etime, ecomask, ecoamp)                         \
+       [HI6421V600_##_id] = {                                                 \
+               .desc = {                                                      \
+                       .name           = #_id,                                \
+                       .of_match        = of_match_ptr(#_id),                 \
+                       .regulators_node = of_match_ptr("regulators"),         \
+                       .ops            = &hi6421_spmi_ldo_rops,               \
+                       .type           = REGULATOR_VOLTAGE,                   \
+                       .id             = HI6421V600_##_id,                    \
+                       .owner          = THIS_MODULE,                         \
+                       .volt_table     = vtable,                              \
+                       .n_voltages     = ARRAY_SIZE(vtable),                  \
+                       .vsel_mask      = (1 << (ARRAY_SIZE(vtable) - 1)) - 1, \
+                       .vsel_reg       = vreg,                                \
+                       .enable_reg     = ereg,                                \
+                       .enable_mask    = emask,                               \
+                       .enable_time    = etime,                               \
+                       .ramp_delay     = etime,                               \
+                       .off_on_delay   = odelay,                              \
+               },                                                             \
+               .eco_mode_mask          = ecomask,                             \
+               .eco_uA                 = ecoamp,                              \
+       }
+
+static int hi6421_spmi_regulator_enable(struct regulator_dev *rdev)
+{
+       struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
+       struct hi6421_spmi_pmic *pmic = sreg->pmic;
+       int ret;
+
+       /* cannot enable more than one regulator at one time */
+       mutex_lock(&sreg->enable_mutex);
+
+       ret = regmap_update_bits(pmic->regmap, rdev->desc->enable_reg,
+                                rdev->desc->enable_mask,
+                                rdev->desc->enable_mask);
+
+       /* Avoid powering up multiple devices at the same time */
+       usleep_range(rdev->desc->off_on_delay, rdev->desc->off_on_delay + 60);
+
+       mutex_unlock(&sreg->enable_mutex);
+
+       return ret;
+}
+
+static int hi6421_spmi_regulator_disable(struct regulator_dev *rdev)
+{
+       struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
+       struct hi6421_spmi_pmic *pmic = sreg->pmic;
+
+       return regmap_update_bits(pmic->regmap, rdev->desc->enable_reg,
+                                 rdev->desc->enable_mask, 0);
+}
+
+static unsigned int hi6421_spmi_regulator_get_mode(struct regulator_dev *rdev)
+{
+       struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
+       struct hi6421_spmi_pmic *pmic = sreg->pmic;
+       u32 reg_val;
+
+       regmap_read(pmic->regmap, rdev->desc->enable_reg, &reg_val);
+
+       if (reg_val & sreg->eco_mode_mask)
+               return REGULATOR_MODE_IDLE;
+
+       return REGULATOR_MODE_NORMAL;
+}
+
+static int hi6421_spmi_regulator_set_mode(struct regulator_dev *rdev,
+                                         unsigned int mode)
+{
+       struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
+       struct hi6421_spmi_pmic *pmic = sreg->pmic;
+       u32 val;
+
+       switch (mode) {
+       case REGULATOR_MODE_NORMAL:
+               val = 0;
+               break;
+       case REGULATOR_MODE_IDLE:
+               val = sreg->eco_mode_mask << (ffs(sreg->eco_mode_mask) - 1);
+               break;
+       default:
+               return -EINVAL;
+       }
+
+       return regmap_update_bits(pmic->regmap, rdev->desc->enable_reg,
+                                 sreg->eco_mode_mask, val);
+}
+
+static unsigned int
+hi6421_spmi_regulator_get_optimum_mode(struct regulator_dev *rdev,
+                                      int input_uV, int output_uV,
+                                      int load_uA)
+{
+       struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
+
+       if (!sreg->eco_uA || ((unsigned int)load_uA > sreg->eco_uA))
+               return REGULATOR_MODE_NORMAL;
+
+       return REGULATOR_MODE_IDLE;
+}
+
+static const struct regulator_ops hi6421_spmi_ldo_rops = {
+       .is_enabled = regulator_is_enabled_regmap,
+       .enable = hi6421_spmi_regulator_enable,
+       .disable = hi6421_spmi_regulator_disable,
+       .list_voltage = regulator_list_voltage_table,
+       .map_voltage = regulator_map_voltage_iterate,
+       .get_voltage_sel = regulator_get_voltage_sel_regmap,
+       .set_voltage_sel = regulator_set_voltage_sel_regmap,
+       .get_mode = hi6421_spmi_regulator_get_mode,
+       .set_mode = hi6421_spmi_regulator_set_mode,
+       .get_optimum_mode = hi6421_spmi_regulator_get_optimum_mode,
+};
+
+/* HI6421v600 regulators with known registers */
+enum hi6421_spmi_regulator_id {
+       HI6421V600_LDO3,
+       HI6421V600_LDO4,
+       HI6421V600_LDO9,
+       HI6421V600_LDO15,
+       HI6421V600_LDO16,
+       HI6421V600_LDO17,
+       HI6421V600_LDO33,
+       HI6421V600_LDO34,
+};
+
+static struct hi6421_spmi_reg_info regulator_info[] = {
+       HI6421V600_LDO(LDO3, ldo3_voltages,
+                      0x16, 0x01, 0x51,
+                      20000, 120,
+                      0, 0),
+       HI6421V600_LDO(LDO4, ldo4_voltages,
+                      0x17, 0x01, 0x52,
+                      20000, 120,
+                      0x10, 10000),
+       HI6421V600_LDO(LDO9, ldo9_voltages,
+                      0x1c, 0x01, 0x57,
+                      20000, 360,
+                      0x10, 10000),
+       HI6421V600_LDO(LDO15, ldo15_voltages,
+                      0x21, 0x01, 0x5c,
+                      20000, 360,
+                      0x10, 10000),
+       HI6421V600_LDO(LDO16, ldo15_voltages,
+                      0x22, 0x01, 0x5d,
+                      20000, 360,
+                      0x10, 10000),
+       HI6421V600_LDO(LDO17, ldo17_voltages,
+                      0x23, 0x01, 0x5e,
+                      20000, 120,
+                      0x10, 10000),
+       HI6421V600_LDO(LDO33, ldo17_voltages,
+                      0x32, 0x01, 0x6d,
+                      20000, 120,
+                      0, 0),
+       HI6421V600_LDO(LDO34, ldo34_voltages,
+                      0x33, 0x01, 0x6e,
+                      20000, 120,
+                      0, 0),
+};
+
+static int hi6421_spmi_regulator_probe(struct platform_device *pdev)
+{
+       struct device *pmic_dev = pdev->dev.parent;
+       struct regulator_config config = { };
+       struct hi6421_spmi_reg_info *sreg;
+       struct hi6421_spmi_reg_info *info;
+       struct device *dev = &pdev->dev;
+       struct hi6421_spmi_pmic *pmic;
+       struct regulator_dev *rdev;
+       int i;
+
+       /*
+        * This driver is meant to be called by hi6421-spmi-core,
+        * which should first set drvdata. If this doesn't happen, hit
+        * a warn on and return.
+        */
+       pmic = dev_get_drvdata(pmic_dev);
+       if (WARN_ON(!pmic))
+               return -ENODEV;
+
+       sreg = devm_kzalloc(dev, sizeof(*sreg), GFP_KERNEL);
+       if (!sreg)
+               return -ENOMEM;
+
+       sreg->pmic = pmic;
+       mutex_init(&sreg->enable_mutex);
+
+       for (i = 0; i < ARRAY_SIZE(regulator_info); i++) {
+               info = &regulator_info[i];
+
+               config.dev = pdev->dev.parent;
+               config.driver_data = sreg;
+               config.regmap = pmic->regmap;
+
+               rdev = devm_regulator_register(dev, &info->desc, &config);
+               if (IS_ERR(rdev)) {
+                       dev_err(dev, "failed to register %s\n",
+                               info->desc.name);
+                       return PTR_ERR(rdev);
+               }
+       }
+
+       return 0;
+}
+
+static const struct platform_device_id hi6421_spmi_regulator_table[] = {
+       { .name = "hi6421v600-regulator" },
+       {},
+};
+MODULE_DEVICE_TABLE(platform, hi6421_spmi_regulator_table);
+
+static struct platform_driver hi6421_spmi_regulator_driver = {
+       .id_table = hi6421_spmi_regulator_table,
+       .driver = {
+               .name = "hi6421v600-regulator",
+       },
+       .probe  = hi6421_spmi_regulator_probe,
+};
+module_platform_driver(hi6421_spmi_regulator_driver);
+
+MODULE_DESCRIPTION("Hi6421v600 SPMI regulator driver");
+MODULE_LICENSE("GPL v2");
+
diff --git a/drivers/staging/Kconfig b/drivers/staging/Kconfig
index b22f73d7bfc4..db7ec218644f 100644
--- a/drivers/staging/Kconfig
+++ b/drivers/staging/Kconfig
@@ -112,6 +112,4 @@ source "drivers/staging/wimax/Kconfig"
 
 source "drivers/staging/wfx/Kconfig"
 
-source "drivers/staging/hikey9xx/Kconfig"
-
 endif # STAGING
diff --git a/drivers/staging/Makefile b/drivers/staging/Makefile
index 2245059e69c7..7b0ef538dcce 100644
--- a/drivers/staging/Makefile
+++ b/drivers/staging/Makefile
@@ -46,4 +46,3 @@ obj-$(CONFIG_KPC2000)         += kpc2000/
 obj-$(CONFIG_QLGE)             += qlge/
 obj-$(CONFIG_WIMAX)            += wimax/
 obj-$(CONFIG_WFX)              += wfx/
-obj-y                          += hikey9xx/
diff --git a/drivers/staging/hikey9xx/Kconfig b/drivers/staging/hikey9xx/Kconfig
deleted file mode 100644
index 1afb8648a2c4..000000000000
--- a/drivers/staging/hikey9xx/Kconfig
+++ /dev/null
@@ -1,11 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-
-# to be placed at drivers/regulator
-config REGULATOR_HI6421V600
-       tristate "HiSilicon Hi6421v600 PMIC voltage regulator support"
-       depends on MFD_HI6421_SPMI && OF
-       depends on REGULATOR
-       help
-         This driver provides support for the voltage regulators on
-         HiSilicon Hi6421v600 PMU / Codec IC.
-         This is used on Kirin 3670 boards, like HiKey 970.
diff --git a/drivers/staging/hikey9xx/Makefile 
b/drivers/staging/hikey9xx/Makefile
deleted file mode 100644
index 4d63184e6086..000000000000
--- a/drivers/staging/hikey9xx/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
-# SPDX-License-Identifier: GPL-2.0
-
-obj-$(CONFIG_REGULATOR_HI6421V600)     += hi6421v600-regulator.o
diff --git a/drivers/staging/hikey9xx/TODO b/drivers/staging/hikey9xx/TODO
deleted file mode 100644
index 65e7996a3066..000000000000
--- a/drivers/staging/hikey9xx/TODO
+++ /dev/null
@@ -1,5 +0,0 @@
-ToDo list:
-
-- Port other drivers needed by Hikey 960/970;
-- Test drivers on Hikey 960;
-- Validate device tree bindings.
diff --git a/drivers/staging/hikey9xx/hi6421v600-regulator.c 
b/drivers/staging/hikey9xx/hi6421v600-regulator.c
deleted file mode 100644
index c801bb840962..000000000000
--- a/drivers/staging/hikey9xx/hi6421v600-regulator.c
+++ /dev/null
@@ -1,299 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-//
-// Device driver for regulators in Hisi IC
-//
-// Copyright (c) 2013 Linaro Ltd.
-// Copyright (c) 2011 Hisilicon.
-// Copyright (c) 2020-2021 Huawei Technologies Co., Ltd
-//
-// Guodong Xu <guodong...@linaro.org>
-
-#include <linux/delay.h>
-#include <linux/mfd/hi6421-spmi-pmic.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/regmap.h>
-#include <linux/regulator/driver.h>
-#include <linux/spmi.h>
-
-struct hi6421_spmi_reg_info {
-       struct regulator_desc   desc;
-       struct hi6421_spmi_pmic *pmic;
-       u8                      eco_mode_mask;
-       u32                     eco_uA;
-
-       /* Serialize regulator enable logic */
-       struct mutex enable_mutex;
-};
-
-static const unsigned int ldo3_voltages[] = {
-       1500000, 1550000, 1600000, 1650000,
-       1700000, 1725000, 1750000, 1775000,
-       1800000, 1825000, 1850000, 1875000,
-       1900000, 1925000, 1950000, 2000000
-};
-
-static const unsigned int ldo4_voltages[] = {
-       1725000, 1750000, 1775000, 1800000,
-       1825000, 1850000, 1875000, 1900000
-};
-
-static const unsigned int ldo9_voltages[] = {
-       1750000, 1800000, 1825000, 2800000,
-       2850000, 2950000, 3000000, 3300000
-};
-
-static const unsigned int ldo15_voltages[] = {
-       1800000, 1850000, 2400000, 2600000,
-       2700000, 2850000, 2950000, 3000000
-};
-
-static const unsigned int ldo17_voltages[] = {
-       2500000, 2600000, 2700000, 2800000,
-       3000000, 3100000, 3200000, 3300000
-};
-
-static const unsigned int ldo34_voltages[] = {
-       2600000, 2700000, 2800000, 2900000,
-       3000000, 3100000, 3200000, 3300000
-};
-
-/**
- * HI6421V600_LDO() - specify a LDO power line
- * @_id: LDO id name string
- * @vtable: voltage table
- * @ereg: enable register
- * @emask: enable mask
- * @vreg: voltage select register
- * @odelay: off/on delay time in uS
- * @etime: enable time in uS
- * @ecomask: eco mode mask
- * @ecoamp: eco mode load uppler limit in uA
- */
-#define HI6421V600_LDO(_id, vtable, ereg, emask, vreg,                        \
-                      odelay, etime, ecomask, ecoamp)                         \
-       [HI6421V600_##_id] = {                                                 \
-               .desc = {                                                      \
-                       .name           = #_id,                                \
-                       .of_match        = of_match_ptr(#_id),                 \
-                       .regulators_node = of_match_ptr("regulators"),         \
-                       .ops            = &hi6421_spmi_ldo_rops,               \
-                       .type           = REGULATOR_VOLTAGE,                   \
-                       .id             = HI6421V600_##_id,                    \
-                       .owner          = THIS_MODULE,                         \
-                       .volt_table     = vtable,                              \
-                       .n_voltages     = ARRAY_SIZE(vtable),                  \
-                       .vsel_mask      = (1 << (ARRAY_SIZE(vtable) - 1)) - 1, \
-                       .vsel_reg       = vreg,                                \
-                       .enable_reg     = ereg,                                \
-                       .enable_mask    = emask,                               \
-                       .enable_time    = etime,                               \
-                       .ramp_delay     = etime,                               \
-                       .off_on_delay   = odelay,                              \
-               },                                                             \
-               .eco_mode_mask          = ecomask,                             \
-               .eco_uA                 = ecoamp,                              \
-       }
-
-static int hi6421_spmi_regulator_enable(struct regulator_dev *rdev)
-{
-       struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
-       struct hi6421_spmi_pmic *pmic = sreg->pmic;
-       int ret;
-
-       /* cannot enable more than one regulator at one time */
-       mutex_lock(&sreg->enable_mutex);
-
-       ret = regmap_update_bits(pmic->regmap, rdev->desc->enable_reg,
-                                rdev->desc->enable_mask,
-                                rdev->desc->enable_mask);
-
-       /* Avoid powering up multiple devices at the same time */
-       usleep_range(rdev->desc->off_on_delay, rdev->desc->off_on_delay + 60);
-
-       mutex_unlock(&sreg->enable_mutex);
-
-       return ret;
-}
-
-static int hi6421_spmi_regulator_disable(struct regulator_dev *rdev)
-{
-       struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
-       struct hi6421_spmi_pmic *pmic = sreg->pmic;
-
-       return regmap_update_bits(pmic->regmap, rdev->desc->enable_reg,
-                                 rdev->desc->enable_mask, 0);
-}
-
-static unsigned int hi6421_spmi_regulator_get_mode(struct regulator_dev *rdev)
-{
-       struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
-       struct hi6421_spmi_pmic *pmic = sreg->pmic;
-       u32 reg_val;
-
-       regmap_read(pmic->regmap, rdev->desc->enable_reg, &reg_val);
-
-       if (reg_val & sreg->eco_mode_mask)
-               return REGULATOR_MODE_IDLE;
-
-       return REGULATOR_MODE_NORMAL;
-}
-
-static int hi6421_spmi_regulator_set_mode(struct regulator_dev *rdev,
-                                         unsigned int mode)
-{
-       struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
-       struct hi6421_spmi_pmic *pmic = sreg->pmic;
-       u32 val;
-
-       switch (mode) {
-       case REGULATOR_MODE_NORMAL:
-               val = 0;
-               break;
-       case REGULATOR_MODE_IDLE:
-               val = sreg->eco_mode_mask << (ffs(sreg->eco_mode_mask) - 1);
-               break;
-       default:
-               return -EINVAL;
-       }
-
-       return regmap_update_bits(pmic->regmap, rdev->desc->enable_reg,
-                                 sreg->eco_mode_mask, val);
-}
-
-static unsigned int
-hi6421_spmi_regulator_get_optimum_mode(struct regulator_dev *rdev,
-                                      int input_uV, int output_uV,
-                                      int load_uA)
-{
-       struct hi6421_spmi_reg_info *sreg = rdev_get_drvdata(rdev);
-
-       if (!sreg->eco_uA || ((unsigned int)load_uA > sreg->eco_uA))
-               return REGULATOR_MODE_NORMAL;
-
-       return REGULATOR_MODE_IDLE;
-}
-
-static const struct regulator_ops hi6421_spmi_ldo_rops = {
-       .is_enabled = regulator_is_enabled_regmap,
-       .enable = hi6421_spmi_regulator_enable,
-       .disable = hi6421_spmi_regulator_disable,
-       .list_voltage = regulator_list_voltage_table,
-       .map_voltage = regulator_map_voltage_iterate,
-       .get_voltage_sel = regulator_get_voltage_sel_regmap,
-       .set_voltage_sel = regulator_set_voltage_sel_regmap,
-       .get_mode = hi6421_spmi_regulator_get_mode,
-       .set_mode = hi6421_spmi_regulator_set_mode,
-       .get_optimum_mode = hi6421_spmi_regulator_get_optimum_mode,
-};
-
-/* HI6421v600 regulators with known registers */
-enum hi6421_spmi_regulator_id {
-       HI6421V600_LDO3,
-       HI6421V600_LDO4,
-       HI6421V600_LDO9,
-       HI6421V600_LDO15,
-       HI6421V600_LDO16,
-       HI6421V600_LDO17,
-       HI6421V600_LDO33,
-       HI6421V600_LDO34,
-};
-
-static struct hi6421_spmi_reg_info regulator_info[] = {
-       HI6421V600_LDO(LDO3, ldo3_voltages,
-                      0x16, 0x01, 0x51,
-                      20000, 120,
-                      0, 0),
-       HI6421V600_LDO(LDO4, ldo4_voltages,
-                      0x17, 0x01, 0x52,
-                      20000, 120,
-                      0x10, 10000),
-       HI6421V600_LDO(LDO9, ldo9_voltages,
-                      0x1c, 0x01, 0x57,
-                      20000, 360,
-                      0x10, 10000),
-       HI6421V600_LDO(LDO15, ldo15_voltages,
-                      0x21, 0x01, 0x5c,
-                      20000, 360,
-                      0x10, 10000),
-       HI6421V600_LDO(LDO16, ldo15_voltages,
-                      0x22, 0x01, 0x5d,
-                      20000, 360,
-                      0x10, 10000),
-       HI6421V600_LDO(LDO17, ldo17_voltages,
-                      0x23, 0x01, 0x5e,
-                      20000, 120,
-                      0x10, 10000),
-       HI6421V600_LDO(LDO33, ldo17_voltages,
-                      0x32, 0x01, 0x6d,
-                      20000, 120,
-                      0, 0),
-       HI6421V600_LDO(LDO34, ldo34_voltages,
-                      0x33, 0x01, 0x6e,
-                      20000, 120,
-                      0, 0),
-};
-
-static int hi6421_spmi_regulator_probe(struct platform_device *pdev)
-{
-       struct device *pmic_dev = pdev->dev.parent;
-       struct regulator_config config = { };
-       struct hi6421_spmi_reg_info *sreg;
-       struct hi6421_spmi_reg_info *info;
-       struct device *dev = &pdev->dev;
-       struct hi6421_spmi_pmic *pmic;
-       struct regulator_dev *rdev;
-       int i;
-
-       /*
-        * This driver is meant to be called by hi6421-spmi-core,
-        * which should first set drvdata. If this doesn't happen, hit
-        * a warn on and return.
-        */
-       pmic = dev_get_drvdata(pmic_dev);
-       if (WARN_ON(!pmic))
-               return -ENODEV;
-
-       sreg = devm_kzalloc(dev, sizeof(*sreg), GFP_KERNEL);
-       if (!sreg)
-               return -ENOMEM;
-
-       sreg->pmic = pmic;
-       mutex_init(&sreg->enable_mutex);
-
-       for (i = 0; i < ARRAY_SIZE(regulator_info); i++) {
-               info = &regulator_info[i];
-
-               config.dev = pdev->dev.parent;
-               config.driver_data = sreg;
-               config.regmap = pmic->regmap;
-
-               rdev = devm_regulator_register(dev, &info->desc, &config);
-               if (IS_ERR(rdev)) {
-                       dev_err(dev, "failed to register %s\n",
-                               info->desc.name);
-                       return PTR_ERR(rdev);
-               }
-       }
-
-       return 0;
-}
-
-static const struct platform_device_id hi6421_spmi_regulator_table[] = {
-       { .name = "hi6421v600-regulator" },
-       {},
-};
-MODULE_DEVICE_TABLE(platform, hi6421_spmi_regulator_table);
-
-static struct platform_driver hi6421_spmi_regulator_driver = {
-       .id_table = hi6421_spmi_regulator_table,
-       .driver = {
-               .name = "hi6421v600-regulator",
-       },
-       .probe  = hi6421_spmi_regulator_probe,
-};
-module_platform_driver(hi6421_spmi_regulator_driver);
-
-MODULE_DESCRIPTION("Hi6421v600 SPMI regulator driver");
-MODULE_LICENSE("GPL v2");
-
-- 
2.29.2

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