regulator: switch the ab3100 to use enable_time()

Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

This switches the ab3100 core to use the enable_time()
infrastructure from the regulator core.

Cc: Mattias Wallin <mattias.wallin@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>

1 files changed, 28 insertions, 23 deletions

diff --git a/drivers/regulator/ab3100.c b/drivers/regulator/ab3100.c
index 2dec589a8908..b1d77946e9c6 100644
--- a/drivers/regulator/ab3100.c
+++ b/drivers/regulator/ab3100.c
@@ -206,29 +206,6 @@ static int ab3100_enable_regulator(struct regulator_dev *reg)
                 return err;
         }
 
-        /* Per-regulator power on delay from spec */
-        switch (abreg->regreg) {
-        case AB3100_LDO_A: /* Fallthrough */
-        case AB3100_LDO_C: /* Fallthrough */
-        case AB3100_LDO_D: /* Fallthrough */
-        case AB3100_LDO_E: /* Fallthrough */
-        case AB3100_LDO_H: /* Fallthrough */
-        case AB3100_LDO_K:
-                udelay(200);
-                break;
-        case AB3100_LDO_F:
-                udelay(600);
-                break;
-        case AB3100_LDO_G:
-                udelay(400);
-                break;
-        case AB3100_BUCK:
-                mdelay(1);
-                break;
-        default:
-                break;
-        }
-
         return 0;
 }
 
@@ -450,11 +427,37 @@ static int ab3100_get_voltage_regulator_external(struct regulator_dev *reg)
         return abreg->plfdata->external_voltage;
 }
 
+static int ab3100_enable_time_regulator(struct regulator_dev *reg)
+{
+        struct ab3100_regulator *abreg = reg->reg_data;
+
+        /* Per-regulator power on delay from spec */
+        switch (abreg->regreg) {
+        case AB3100_LDO_A: /* Fallthrough */
+        case AB3100_LDO_C: /* Fallthrough */
+        case AB3100_LDO_D: /* Fallthrough */
+        case AB3100_LDO_E: /* Fallthrough */
+        case AB3100_LDO_H: /* Fallthrough */
+        case AB3100_LDO_K:
+                return 200;
+        case AB3100_LDO_F:
+                return 600;
+        case AB3100_LDO_G:
+                return 400;
+        case AB3100_BUCK:
+                return 1000;
+        default:
+                break;
+        }
+        return 0;
+}
+
 static struct regulator_ops regulator_ops_fixed = {
         .enable      = ab3100_enable_regulator,
         .disable     = ab3100_disable_regulator,
         .is_enabled  = ab3100_is_enabled_regulator,
         .get_voltage = ab3100_get_voltage_regulator,
+        .enable_time = ab3100_enable_time_regulator,
 };
 
 static struct regulator_ops regulator_ops_variable = {
@@ -464,6 +467,7 @@ static struct regulator_ops regulator_ops_variable = {
         .get_voltage = ab3100_get_voltage_regulator,
         .set_voltage = ab3100_set_voltage_regulator,
         .list_voltage = ab3100_list_voltage_regulator,
+        .enable_time = ab3100_enable_time_regulator,
 };
 
 static struct regulator_ops regulator_ops_variable_sleepable = {
@@ -474,6 +478,7 @@ static struct regulator_ops regulator_ops_variable_sleepable = {
         .set_voltage = ab3100_set_voltage_regulator,
         .set_suspend_voltage = ab3100_set_suspend_voltage_regulator,
         .list_voltage = ab3100_list_voltage_regulator,
+        .enable_time = ab3100_enable_time_regulator,
 };
 
 /*