linux-kernel - [PATCH RFT 2/3] regulator: da9052: Use regulator_get_voltage_sel

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <1335232478.6470.3.camel@phoenix>
Date:	Tue, 24 Apr 2012 09:54:38 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	David Dajun Chen <dchen@...semi.com>,
	Ashish Jangam <ashish.jangam@...tcummins.com>,
	"Ying-Chun Liu (PaulLiu)" <paul.liu@...aro.org>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>,
	Liam Girdwood <lrg@...com>
Subject: [PATCH RFT 2/3] regulator: da9052: Use
 regulator_get_voltage_sel_regmap()

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/regulator/da9052-regulator.c |   32 ++++++++------------------------
 1 files changed, 8 insertions(+), 24 deletions(-)

diff --git a/drivers/regulator/da9052-regulator.c b/drivers/regulator/da9052-regulator.c
index 4f2e6f9..16815f1 100644
--- a/drivers/regulator/da9052-regulator.c
+++ b/drivers/regulator/da9052-regulator.c
@@ -70,7 +70,6 @@ struct da9052_regulator_info {
 	int step_uV;
 	int min_uV;
 	int max_uV;
-	unsigned char volt_shift;
 	unsigned char activate_bit;
 };
 
@@ -209,9 +208,8 @@ static int da9052_regulator_set_voltage(struct regulator_dev *rdev,
 	if (ret < 0)
 		return ret;
 
-	ret = da9052_reg_update(regulator->da9052,
-				 DA9052_BUCKCORE_REG + id,
-				 (1 << info->volt_shift) - 1, *selector);
+	ret = da9052_reg_update(regulator->da9052, rdev->desc->vsel_reg,
+				rdev->desc->vsel_mask, *selector);
 	if (ret < 0)
 		return ret;
 
@@ -232,29 +230,13 @@ static int da9052_regulator_set_voltage(struct regulator_dev *rdev,
 	return ret;
 }
 
-static int da9052_get_regulator_voltage_sel(struct regulator_dev *rdev)
-{
-	struct da9052_regulator *regulator = rdev_get_drvdata(rdev);
-	struct da9052_regulator_info *info = regulator->info;
-	int offset = rdev_get_id(rdev);
-	int ret;
-
-	ret = da9052_reg_read(regulator->da9052, DA9052_BUCKCORE_REG + offset);
-	if (ret < 0)
-		return ret;
-
-	ret &= ((1 << info->volt_shift) - 1);
-
-	return ret;
-}
-
 static struct regulator_ops da9052_dcdc_ops = {
 	.set_voltage = da9052_regulator_set_voltage,
 	.get_current_limit = da9052_dcdc_get_current_limit,
 	.set_current_limit = da9052_dcdc_set_current_limit,
 
 	.list_voltage = da9052_list_voltage,
-	.get_voltage_sel = da9052_get_regulator_voltage_sel,
+	.get_voltage_sel = regulator_get_voltage_sel_regmap,
 	.is_enabled = regulator_is_enabled_regmap,
 	.enable = regulator_enable_regmap,
 	.disable = regulator_disable_regmap,
@@ -264,7 +246,7 @@ static struct regulator_ops da9052_ldo_ops = {
 	.set_voltage = da9052_regulator_set_voltage,
 
 	.list_voltage = da9052_list_voltage,
-	.get_voltage_sel = da9052_get_regulator_voltage_sel,
+	.get_voltage_sel = regulator_get_voltage_sel_regmap,
 	.is_enabled = regulator_is_enabled_regmap,
 	.enable = regulator_enable_regmap,
 	.disable = regulator_disable_regmap,
@@ -279,13 +261,14 @@ static struct regulator_ops da9052_ldo_ops = {
 		.id = DA9052_ID_##_id,\
 		.n_voltages = (max - min) / step + 1, \
 		.owner = THIS_MODULE,\
+		.vsel_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \
+		.vsel_mask = (1 << (sbits)) - 1,\
 		.enable_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \
 		.enable_mask = 1 << (ebits),\
 	},\
 	.min_uV = (min) * 1000,\
 	.max_uV = (max) * 1000,\
 	.step_uV = (step) * 1000,\
-	.volt_shift = (sbits),\
 	.activate_bit = (abits),\
 }
 
@@ -298,13 +281,14 @@ static struct regulator_ops da9052_ldo_ops = {
 		.id = DA9052_ID_##_id,\
 		.n_voltages = (max - min) / step + 1, \
 		.owner = THIS_MODULE,\
+		.vsel_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \
+		.vsel_mask = (1 << (sbits)) - 1,\
 		.enable_reg = DA9052_BUCKCORE_REG + DA9052_ID_##_id, \
 		.enable_mask = 1 << (ebits),\
 	},\
 	.min_uV = (min) * 1000,\
 	.max_uV = (max) * 1000,\
 	.step_uV = (step) * 1000,\
-	.volt_shift = (sbits),\
 	.activate_bit = (abits),\
 }
 
-- 
1.7.5.4



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/