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Date: Thu, 12 May 2011 13:47:50 +0800
From: Axel Lin <axel.lin@...il.com>
To: linux-kernel@...r.kernel.org
Cc: Anuj Aggarwal <anuj.aggarwal@...com>,
Graeme Gregory <gg@...mlogic.co.uk>,
Liam Girdwood <lrg@...mlogic.co.uk>,
Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH] regulator: Fix desc_id for tps65023/6507x/65910
The desc_id variable should not be a static variable.
The rest of the code assumes the desc_id must less than TPSxxxxx_NUM_REGULATOR.
If we set desc_id to be a static variable, checking the return value of
rdev_get_id() may return error.
Signed-off-by: Axel Lin <axel.lin@...il.com>
Cc: Anuj Aggarwal <anuj.aggarwal@...com>
Cc: Graeme Gregory <gg@...mlogic.co.uk>
---
drivers/regulator/tps65023-regulator.c | 3 +--
drivers/regulator/tps6507x-regulator.c | 3 +--
drivers/regulator/tps65910-regulator.c | 3 +--
3 files changed, 3 insertions(+), 6 deletions(-)
diff --git a/drivers/regulator/tps65023-regulator.c b/drivers/regulator/tps65023-regulator.c
index 60a7ca5..fbddc15 100644
--- a/drivers/regulator/tps65023-regulator.c
+++ b/drivers/regulator/tps65023-regulator.c
@@ -466,7 +466,6 @@ static struct regulator_ops tps65023_ldo_ops = {
static int __devinit tps_65023_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
- static int desc_id;
const struct tps_info *info = (void *)id->driver_data;
struct regulator_init_data *init_data;
struct regulator_dev *rdev;
@@ -499,7 +498,7 @@ static int __devinit tps_65023_probe(struct i2c_client *client,
tps->info[i] = info;
tps->desc[i].name = info->name;
- tps->desc[i].id = desc_id++;
+ tps->desc[i].id = i;
tps->desc[i].n_voltages = num_voltages[i];
tps->desc[i].ops = (i > TPS65023_DCDC_3 ?
&tps65023_ldo_ops : &tps65023_dcdc_ops);
diff --git a/drivers/regulator/tps6507x-regulator.c b/drivers/regulator/tps6507x-regulator.c
index 0647552..bfffabc 100644
--- a/drivers/regulator/tps6507x-regulator.c
+++ b/drivers/regulator/tps6507x-regulator.c
@@ -553,7 +553,6 @@ static __devinit
int tps6507x_pmic_probe(struct platform_device *pdev)
{
struct tps6507x_dev *tps6507x_dev = dev_get_drvdata(pdev->dev.parent);
- static int desc_id;
struct tps_info *info = &tps6507x_pmic_regs[0];
struct regulator_init_data *init_data;
struct regulator_dev *rdev;
@@ -598,7 +597,7 @@ int tps6507x_pmic_probe(struct platform_device *pdev)
}
tps->desc[i].name = info->name;
- tps->desc[i].id = desc_id++;
+ tps->desc[i].id = i;
tps->desc[i].n_voltages = num_voltages[i];
tps->desc[i].ops = (i > TPS6507X_DCDC_3 ?
&tps6507x_pmic_ldo_ops : &tps6507x_pmic_dcdc_ops);
diff --git a/drivers/regulator/tps65910-regulator.c b/drivers/regulator/tps65910-regulator.c
index d461fa7..048ba47 100644
--- a/drivers/regulator/tps65910-regulator.c
+++ b/drivers/regulator/tps65910-regulator.c
@@ -604,7 +604,6 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
struct regulator_dev *rdev;
struct tps65910_reg *pmic;
struct tps65910_board *pmic_plat_data;
- static int desc_id;
int i, err;
pmic_plat_data = dev_get_platdata(tps65910->dev);
@@ -630,7 +629,7 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
pmic->info[i] = info;
pmic->desc[i].name = info->name;
- pmic->desc[i].id = desc_id++;
+ pmic->desc[i].id = i;
pmic->desc[i].n_voltages = info->table_len;
if ((i == TPS65910_REG_VDD1) || (i == TPS65910_REG_VDD2))
--
1.7.1
--
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