linux-kernel - [PATCH 06/11] regulator: lp873x: Convert to use regulator_set/get_current_limit

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Message-Id: <20190228134022.32625-7-axel.lin@ingics.com>
Date:   Thu, 28 Feb 2019 21:40:17 +0800
From:   Axel Lin <axel.lin@...ics.com>
To:     Mark Brown <broonie@...nel.org>
Cc:     Support Opensource <support.opensource@...semi.com>,
        patches@...nsource.cirrus.com,
        Ashish Jangam <ashish.jangam@...tcummins.com>,
        Steve Twiss <stwiss.opensource@...semi.com>,
        Paul Kocialkowski <contact@...lk.fr>,
        Milo Kim <milo.kim@...com>, Keerthy <j-keerthy@...com>,
        James Ban <James.Ban.opensource@...semi.com>,
        Bartosz Golaszewski <bgolaszewski@...libre.com>,
        Liam Girdwood <lgirdwood@...il.com>,
        linux-kernel@...r.kernel.org, Axel Lin <axel.lin@...ics.com>
Subject: [PATCH 06/11] regulator: lp873x: Convert to use regulator_set/get_current_limit_regmap

Use regulator_set/get_current_limit_regmap helpers to save some code.

Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
 drivers/regulator/lp873x-regulator.c | 45 ++++------------------------
 1 file changed, 6 insertions(+), 39 deletions(-)

diff --git a/drivers/regulator/lp873x-regulator.c b/drivers/regulator/lp873x-regulator.c
index 70651fec8fd9..b55de293ca7a 100644
--- a/drivers/regulator/lp873x-regulator.c
+++ b/drivers/regulator/lp873x-regulator.c
@@ -39,6 +39,10 @@
 			.ramp_delay		= _delay,		\
 			.linear_ranges		= _lr,			\
 			.n_linear_ranges	= ARRAY_SIZE(_lr),	\
+			.curr_table	= lp873x_buck_uA,		\
+			.n_current_limits = ARRAY_SIZE(lp873x_buck_uA),	\
+			.csel_reg	= (_cr),			\
+			.csel_mask	= LP873X_BUCK0_CTRL_2_BUCK0_ILIM,\
 		},							\
 		.ctrl2_reg = _cr,					\
 	}
@@ -108,43 +112,6 @@ static int lp873x_buck_set_ramp_delay(struct regulator_dev *rdev,
 	return 0;
 }
 
-static int lp873x_buck_set_current_limit(struct regulator_dev *rdev,
-					 int min_uA, int max_uA)
-{
-	int id = rdev_get_id(rdev);
-	struct lp873x *lp873 = rdev_get_drvdata(rdev);
-	int i;
-
-	for (i = ARRAY_SIZE(lp873x_buck_uA) - 1; i >= 0; i--) {
-		if (lp873x_buck_uA[i] >= min_uA &&
-		    lp873x_buck_uA[i] <= max_uA)
-			return regmap_update_bits(lp873->regmap,
-						  regulators[id].ctrl2_reg,
-						  LP873X_BUCK0_CTRL_2_BUCK0_ILIM,
-						  i << __ffs(LP873X_BUCK0_CTRL_2_BUCK0_ILIM));
-	}
-
-	return -EINVAL;
-}
-
-static int lp873x_buck_get_current_limit(struct regulator_dev *rdev)
-{
-	int id = rdev_get_id(rdev);
-	struct lp873x *lp873 = rdev_get_drvdata(rdev);
-	int ret;
-	unsigned int val;
-
-	ret = regmap_read(lp873->regmap, regulators[id].ctrl2_reg, &val);
-	if (ret)
-		return ret;
-
-	val = (val & LP873X_BUCK0_CTRL_2_BUCK0_ILIM) >>
-	       __ffs(LP873X_BUCK0_CTRL_2_BUCK0_ILIM);
-
-	return (val < ARRAY_SIZE(lp873x_buck_uA)) ?
-			lp873x_buck_uA[val] : -EINVAL;
-}
-
 /* Operations permitted on BUCK0, BUCK1 */
 static const struct regulator_ops lp873x_buck01_ops = {
 	.is_enabled		= regulator_is_enabled_regmap,
@@ -156,8 +123,8 @@ static const struct regulator_ops lp873x_buck01_ops = {
 	.map_voltage		= regulator_map_voltage_linear_range,
 	.set_voltage_time_sel	= regulator_set_voltage_time_sel,
 	.set_ramp_delay		= lp873x_buck_set_ramp_delay,
-	.set_current_limit	= lp873x_buck_set_current_limit,
-	.get_current_limit	= lp873x_buck_get_current_limit,
+	.set_current_limit	= regulator_set_current_limit_regmap,
+	.get_current_limit	= regulator_get_current_limit_regmap,
 };
 
 /* Operations permitted on LDO0 and LDO1 */
-- 
2.17.1