regulator: anatop: Convert to regulator_list_voltage_linear()

[firefly-linux-kernel-4.4.55.git] / drivers / regulator / anatop-regulator.c

diff --git a/drivers/regulator/anatop-regulator.c b/drivers/regulator/anatop-regulator.c
index 49b2112b0486120c5434f7e2295955202538387f..d04cf21132459ca1e8e891342a04c10f08d84aaf 100644 (file)
--- a/drivers/regulator/anatop-regulator.c
+++ b/drivers/regulator/anatop-regulator.c
@@ -47,7 +47,7 @@ static int anatop_set_voltage(struct regulator_dev *reg, int min_uV,
                                  int max_uV, unsigned *selector)
 {
        struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg);
-       u32 val, sel;
+       u32 val, sel, mask;
        int uv;
 
        uv = min_uV;
@@ -71,11 +71,10 @@ static int anatop_set_voltage(struct regulator_dev *reg, int min_uV,
        val = anatop_reg->min_bit_val + sel;
        *selector = sel;
        dev_dbg(&reg->dev, "%s: calculated val %d\n", __func__, val);
-       anatop_set_bits(anatop_reg->mfd,
-                       anatop_reg->control_reg,
-                       anatop_reg->vol_bit_shift,
-                       anatop_reg->vol_bit_width,
-                       val);
+       mask = ((1 << anatop_reg->vol_bit_width) - 1) <<
+               anatop_reg->vol_bit_shift;
+       val <<= anatop_reg->vol_bit_shift;
+       anatop_write_reg(anatop_reg->mfd, anatop_reg->control_reg, val, mask);
 
        return 0;
 }
@@ -88,29 +87,17 @@ static int anatop_get_voltage_sel(struct regulator_dev *reg)
        if (!anatop_reg->control_reg)
                return -ENOTSUPP;
 
-       val = anatop_get_bits(anatop_reg->mfd,
-                             anatop_reg->control_reg,
-                             anatop_reg->vol_bit_shift,
-                             anatop_reg->vol_bit_width);
+       val = anatop_read_reg(anatop_reg->mfd, anatop_reg->control_reg);
+       val = (val & ((1 << anatop_reg->vol_bit_width) - 1)) >>
+               anatop_reg->vol_bit_shift;
 
        return val - anatop_reg->min_bit_val;
 }
 
-static int anatop_list_voltage(struct regulator_dev *reg, unsigned selector)
-{
-       struct anatop_regulator *anatop_reg = rdev_get_drvdata(reg);
-       int uv;
-
-       uv = anatop_reg->min_voltage + selector * 25000;
-       dev_dbg(&reg->dev, "vddio = %d, selector = %u\n", uv, selector);
-
-       return uv;
-}
-
 static struct regulator_ops anatop_rops = {
        .set_voltage     = anatop_set_voltage,
        .get_voltage_sel = anatop_get_voltage_sel,
-       .list_voltage    = anatop_list_voltage,
+       .list_voltage    = regulator_list_voltage_linear,
 };
 
 static int __devinit anatop_regulator_probe(struct platform_device *pdev)
@@ -178,6 +165,8 @@ static int __devinit anatop_regulator_probe(struct platform_device *pdev)
 
        rdesc->n_voltages = (sreg->max_voltage - sreg->min_voltage)
                / 25000 + 1;
+       rdesc->min_uV = sreg->min_voltage;
+       rdesc->uV_step = 25000;
 
        config.dev = &pdev->dev;
        config.init_data = initdata;