Driver includes struct regmap and struct device in its global data.
Remove the struct device and use regmap API to retrieve device info.
Simplified version of Coccinelle semantic patch used:
@ a @
identifier drvdata, r;
position p;
@@
struct drvdata@p {
...
struct regmap *r;
...
};
@ b @
identifier a.drvdata, d;
position a.p;
@@
struct drvdata@p {
...
- struct device *d;
...
};
@ passed depends on b @
identifier a.drvdata, a.r, b.d, i, f;
@@
f (..., struct drvdata *i ,...) {
+ struct device *dev = regmap_get_device(i->r);
<+...
- i->d
+ dev
...+>
}
Signed-off-by: Alison Schofield <amsfield22@xxxxxxxxx>
---
drivers/staging/iio/light/isl29028.c | 53 ++++++++++++++++++++----------------
1 file changed, 30 insertions(+), 23 deletions(-)
diff --git a/drivers/staging/iio/light/isl29028.c b/drivers/staging/iio/light/isl29028.c
index 6e2ba45..0ef96e6 100644
--- a/drivers/staging/iio/light/isl29028.c
+++ b/drivers/staging/iio/light/isl29028.c
@@ -69,7 +69,6 @@ enum als_ir_mode {
};
struct isl29028_chip {
- struct device *dev;
struct mutex lock;
struct regmap *regmap;
@@ -166,20 +165,21 @@ static int isl29028_set_als_ir_mode(struct isl29028_chip *chip,
static int isl29028_read_als_ir(struct isl29028_chip *chip, int *als_ir)
{
+ struct device *dev = regmap_get_device(chip->regmap);
unsigned int lsb;
unsigned int msb;
int ret;
ret = regmap_read(chip->regmap, ISL29028_REG_ALSIR_L, &lsb);
if (ret < 0) {
- dev_err(chip->dev,
+ dev_err(dev,
"Error in reading register ALSIR_L err %d\n", ret);
return ret;
}
ret = regmap_read(chip->regmap, ISL29028_REG_ALSIR_U, &msb);
if (ret < 0) {
- dev_err(chip->dev,
+ dev_err(dev,
"Error in reading register ALSIR_U err %d\n", ret);
return ret;
}
@@ -190,12 +190,13 @@ static int isl29028_read_als_ir(struct isl29028_chip *chip, int *als_ir)
static int isl29028_read_proxim(struct isl29028_chip *chip, int *prox)
{
+ struct device *dev = regmap_get_device(chip->regmap);
unsigned int data;
int ret;
ret = regmap_read(chip->regmap, ISL29028_REG_PROX_DATA, &data);
if (ret < 0) {
- dev_err(chip->dev, "Error in reading register %d, error %d\n",
+ dev_err(dev, "Error in reading register %d, error %d\n",
ISL29028_REG_PROX_DATA, ret);
return ret;
}
@@ -218,13 +219,14 @@ static int isl29028_proxim_get(struct isl29028_chip *chip, int *prox_data)
static int isl29028_als_get(struct isl29028_chip *chip, int *als_data)
{
+ struct device *dev = regmap_get_device(chip->regmap);
int ret;
int als_ir_data;
if (chip->als_ir_mode != MODE_ALS) {
ret = isl29028_set_als_ir_mode(chip, MODE_ALS);
if (ret < 0) {
- dev_err(chip->dev,
+ dev_err(dev,
"Error in enabling ALS mode err %d\n", ret);
return ret;
}
@@ -251,12 +253,13 @@ static int isl29028_als_get(struct isl29028_chip *chip, int *als_data)
static int isl29028_ir_get(struct isl29028_chip *chip, int *ir_data)
{
+ struct device *dev = regmap_get_device(chip->regmap);
int ret;
if (chip->als_ir_mode != MODE_IR) {
ret = isl29028_set_als_ir_mode(chip, MODE_IR);
if (ret < 0) {
- dev_err(chip->dev,
+ dev_err(dev,
"Error in enabling IR mode err %d\n", ret);
return ret;
}
@@ -271,25 +274,26 @@ static int isl29028_write_raw(struct iio_dev *indio_dev,
int val, int val2, long mask)
{
struct isl29028_chip *chip = iio_priv(indio_dev);
+ struct device *dev = regmap_get_device(chip->regmap);
int ret = -EINVAL;
mutex_lock(&chip->lock);
switch (chan->type) {
case IIO_PROXIMITY:
if (mask != IIO_CHAN_INFO_SAMP_FREQ) {
- dev_err(chip->dev,
+ dev_err(dev,
"proximity: mask value 0x%08lx not supported\n",
mask);
break;
}
if (val < 1 || val > 100) {
- dev_err(chip->dev,
+ dev_err(dev,
"Samp_freq %d is not in range[1:100]\n", val);
break;
}
ret = isl29028_set_proxim_sampling(chip, val);
if (ret < 0) {
- dev_err(chip->dev,
+ dev_err(dev,
"Setting proximity samp_freq fail, err %d\n",
ret);
break;
@@ -299,19 +303,19 @@ static int isl29028_write_raw(struct iio_dev *indio_dev,
case IIO_LIGHT:
if (mask != IIO_CHAN_INFO_SCALE) {
- dev_err(chip->dev,
+ dev_err(dev,
"light: mask value 0x%08lx not supported\n",
mask);
break;
}
if ((val != 125) && (val != 2000)) {
- dev_err(chip->dev,
+ dev_err(dev,
"lux scale %d is invalid [125, 2000]\n", val);
break;
}
ret = isl29028_set_als_scale(chip, val);
if (ret < 0) {
- dev_err(chip->dev,
+ dev_err(dev,
"Setting lux scale fail with error %d\n", ret);
break;
}
@@ -319,7 +323,7 @@ static int isl29028_write_raw(struct iio_dev *indio_dev,
break;
default:
- dev_err(chip->dev, "Unsupported channel type\n");
+ dev_err(dev, "Unsupported channel type\n");
break;
}
mutex_unlock(&chip->lock);
@@ -331,6 +335,7 @@ static int isl29028_read_raw(struct iio_dev *indio_dev,
int *val, int *val2, long mask)
{
struct isl29028_chip *chip = iio_priv(indio_dev);
+ struct device *dev = regmap_get_device(chip->regmap);
int ret = -EINVAL;
mutex_lock(&chip->lock);
@@ -370,7 +375,7 @@ static int isl29028_read_raw(struct iio_dev *indio_dev,
break;
default:
- dev_err(chip->dev, "mask value 0x%08lx not supported\n", mask);
+ dev_err(dev, "mask value 0x%08lx not supported\n", mask);
break;
}
mutex_unlock(&chip->lock);
@@ -417,6 +422,7 @@ static const struct iio_info isl29028_info = {
static int isl29028_chip_init(struct isl29028_chip *chip)
{
+ struct device *dev = regmap_get_device(chip->regmap);
int ret;
chip->enable_prox = false;
@@ -426,34 +432,34 @@ static int isl29028_chip_init(struct isl29028_chip *chip)
ret = regmap_write(chip->regmap, ISL29028_REG_TEST1_MODE, 0x0);
if (ret < 0) {
- dev_err(chip->dev, "%s(): write to reg %d failed, err = %d\n",
+ dev_err(dev, "%s(): write to reg %d failed, err = %d\n",
__func__, ISL29028_REG_TEST1_MODE, ret);
return ret;
}
ret = regmap_write(chip->regmap, ISL29028_REG_TEST2_MODE, 0x0);
if (ret < 0) {
- dev_err(chip->dev, "%s(): write to reg %d failed, err = %d\n",
+ dev_err(dev, "%s(): write to reg %d failed, err = %d\n",
__func__, ISL29028_REG_TEST2_MODE, ret);
return ret;
}
ret = regmap_write(chip->regmap, ISL29028_REG_CONFIGURE, 0x0);
if (ret < 0) {
- dev_err(chip->dev, "%s(): write to reg %d failed, err = %d\n",
+ dev_err(dev, "%s(): write to reg %d failed, err = %d\n",
__func__, ISL29028_REG_CONFIGURE, ret);
return ret;
}
ret = isl29028_set_proxim_sampling(chip, chip->prox_sampling);
if (ret < 0) {
- dev_err(chip->dev, "setting the proximity, err = %d\n",
+ dev_err(dev, "setting the proximity, err = %d\n",
ret);
return ret;
}
ret = isl29028_set_als_scale(chip, chip->lux_scale);
if (ret < 0)
- dev_err(chip->dev,
+ dev_err(dev,
"setting als scale failed, err = %d\n", ret);
return ret;
}
@@ -496,19 +502,19 @@ static int isl29028_probe(struct i2c_client *client,
chip = iio_priv(indio_dev);
i2c_set_clientdata(client, indio_dev);
- chip->dev = &client->dev;
mutex_init(&chip->lock);
chip->regmap = devm_regmap_init_i2c(client, &isl29028_regmap_config);
if (IS_ERR(chip->regmap)) {
ret = PTR_ERR(chip->regmap);
- dev_err(chip->dev, "regmap initialization failed: %d\n", ret);
+ dev_err(&client->dev, "regmap initialization failed: %d\n",
+ ret);
return ret;
}
ret = isl29028_chip_init(chip);
if (ret < 0) {
- dev_err(chip->dev, "chip initialization failed: %d\n", ret);
+ dev_err(&client->dev, "chip initialization failed: %d\n", ret);
return ret;
}
@@ -520,7 +526,8 @@ static int isl29028_probe(struct i2c_client *client,
indio_dev->modes = INDIO_DIRECT_MODE;
ret = devm_iio_device_register(indio_dev->dev.parent, indio_dev);
if (ret < 0) {
- dev_err(chip->dev, "iio registration fails with error %d\n",
+ dev_err(&client->dev,
+ "iio registration fails with error %d\n",
ret);
return ret;
}
--
2.1.4
--
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