From f8c2940bcd623b4d185d4ff7ff5678a4508939b3 Mon Sep 17 00:00:00 2001 From: Balaji T K Date: Fri, 20 May 2011 19:03:51 +0530 Subject: [PATCH] regulator: twl6030: do not write to _GRP for regulator enable TWL6030: regulator is enabled via VREG_STATE TWL4030: regulator is enabled via VREG_GRP Since there is nothing common, split twlreg_enable similar to other regulator_ops Signed-off-by: Balaji T K Acked-by: Mark Brown Signed-off-by: Liam Girdwood --- drivers/regulator/twl-regulator.c | 39 ++++++++++++++++++++----------- 1 file changed, 25 insertions(+), 14 deletions(-) diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c index 2a808c25f982..abb40c6d9a4d 100644 --- a/drivers/regulator/twl-regulator.c +++ b/drivers/regulator/twl-regulator.c @@ -156,7 +156,7 @@ static int twl6030reg_is_enabled(struct regulator_dev *rdev) return grp && (val == TWL6030_CFG_STATE_ON); } -static int twlreg_enable(struct regulator_dev *rdev) +static int twl4030reg_enable(struct regulator_dev *rdev) { struct twlreg_info *info = rdev_get_drvdata(rdev); int grp; @@ -166,17 +166,28 @@ static int twlreg_enable(struct regulator_dev *rdev) if (grp < 0) return grp; - if (twl_class_is_4030()) - grp |= P1_GRP_4030; - else - grp |= P1_GRP_6030; + grp |= P1_GRP_4030; ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_GRP, grp); - if (!ret && twl_class_is_6030()) - ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, - grp << TWL6030_CFG_STATE_GRP_SHIFT | - TWL6030_CFG_STATE_ON); + udelay(info->delay); + + return ret; +} + +static int twl6030reg_enable(struct regulator_dev *rdev) +{ + struct twlreg_info *info = rdev_get_drvdata(rdev); + int grp; + int ret; + + grp = twlreg_read(info, TWL_MODULE_PM_RECEIVER, VREG_GRP); + if (grp < 0) + return grp; + + ret = twlreg_write(info, TWL_MODULE_PM_RECEIVER, VREG_STATE, + grp << TWL6030_CFG_STATE_GRP_SHIFT | + TWL6030_CFG_STATE_ON); udelay(info->delay); @@ -473,7 +484,7 @@ static struct regulator_ops twl4030ldo_ops = { .set_voltage = twl4030ldo_set_voltage, .get_voltage = twl4030ldo_get_voltage, - .enable = twlreg_enable, + .enable = twl4030reg_enable, .disable = twlreg_disable, .is_enabled = twl4030reg_is_enabled, @@ -531,7 +542,7 @@ static struct regulator_ops twl6030ldo_ops = { .set_voltage = twl6030ldo_set_voltage, .get_voltage = twl6030ldo_get_voltage, - .enable = twlreg_enable, + .enable = twl6030reg_enable, .disable = twlreg_disable, .is_enabled = twl6030reg_is_enabled, @@ -564,7 +575,7 @@ static struct regulator_ops twl4030fixed_ops = { .get_voltage = twlfixed_get_voltage, - .enable = twlreg_enable, + .enable = twl4030reg_enable, .disable = twlreg_disable, .is_enabled = twl4030reg_is_enabled, @@ -578,7 +589,7 @@ static struct regulator_ops twl6030fixed_ops = { .get_voltage = twlfixed_get_voltage, - .enable = twlreg_enable, + .enable = twl6030reg_enable, .disable = twlreg_disable, .is_enabled = twl6030reg_is_enabled, @@ -588,7 +599,7 @@ static struct regulator_ops twl6030fixed_ops = { }; static struct regulator_ops twl6030_fixed_resource = { - .enable = twlreg_enable, + .enable = twl6030reg_enable, .disable = twlreg_disable, .is_enabled = twl6030reg_is_enabled, .get_status = twl6030reg_get_status, -- 2.20.1