[PATCH v3 2/4] iio: bcm150: Remove i2c_client from private data

From: Markus Pargmann
Date: Mon Sep 21 2015 - 06:56:28 EST

i2c_client struct is now only used for debugging output. We can use the
device struct as well so we can remove all struct i2c_client usage.

Signed-off-by: Markus Pargmann <mpa@xxxxxxxxxxxxxx>
Acked-by: Jonathan Cameron <jic23@xxxxxxxxxx>
---
drivers/iio/accel/bmc150-accel.c | 116 +++++++++++++++++++--------------------
1 file changed, 56 insertions(+), 60 deletions(-)

diff --git a/drivers/iio/accel/bmc150-accel.c b/drivers/iio/accel/bmc150-accel.c
index a17034fd53fb..425885dc6800 100644
--- a/drivers/iio/accel/bmc150-accel.c
+++ b/drivers/iio/accel/bmc150-accel.c
@@ -186,9 +186,9 @@ enum bmc150_accel_trigger_id {
};

struct bmc150_accel_data {
- struct i2c_client *client;
struct regmap *regmap;
struct device *dev;
+ int irq;
struct bmc150_accel_interrupt interrupts[BMC150_ACCEL_INTERRUPTS];
atomic_t active_intr;
struct bmc150_accel_trigger triggers[BMC150_ACCEL_TRIGGERS];
@@ -278,11 +278,11 @@ static int bmc150_accel_set_mode(struct bmc150_accel_data *data,
lpw_bits = mode << BMC150_ACCEL_PMU_MODE_SHIFT;
lpw_bits |= (dur_val << BMC150_ACCEL_PMU_BIT_SLEEP_DUR_SHIFT);

- dev_dbg(&data->client->dev, "Set Mode bits %x\n", lpw_bits);
+ dev_dbg(data->dev, "Set Mode bits %x\n", lpw_bits);

ret = regmap_write(data->regmap, BMC150_ACCEL_REG_PMU_LPW, lpw_bits);
if (ret < 0) {
- dev_err(&data->client->dev, "Error writing reg_pmu_lpw\n");
+ dev_err(data->dev, "Error writing reg_pmu_lpw\n");
return ret;
}

@@ -320,18 +320,18 @@ static int bmc150_accel_update_slope(struct bmc150_accel_data *data)
ret = regmap_write(data->regmap, BMC150_ACCEL_REG_INT_6,
data->slope_thres);
if (ret < 0) {
- dev_err(&data->client->dev, "Error writing reg_int_6\n");
+ dev_err(data->dev, "Error writing reg_int_6\n");
return ret;
}

ret = regmap_update_bits(data->regmap, BMC150_ACCEL_REG_INT_5,
BMC150_ACCEL_SLOPE_DUR_MASK, data->slope_dur);
if (ret < 0) {
- dev_err(&data->client->dev, "Error updating reg_int_5\n");
+ dev_err(data->dev, "Error updating reg_int_5\n");
return ret;
}

- dev_dbg(&data->client->dev, "%s: %x %x\n", __func__, data->slope_thres,
+ dev_dbg(data->dev, "%s: %x %x\n", __func__, data->slope_thres,
data->slope_dur);

return ret;
@@ -380,17 +380,17 @@ static int bmc150_accel_set_power_state(struct bmc150_accel_data *data, bool on)
int ret;

if (on) {
- ret = pm_runtime_get_sync(&data->client->dev);
+ ret = pm_runtime_get_sync(data->dev);
} else {
- pm_runtime_mark_last_busy(&data->client->dev);
- ret = pm_runtime_put_autosuspend(&data->client->dev);
+ pm_runtime_mark_last_busy(data->dev);
+ ret = pm_runtime_put_autosuspend(data->dev);
}

if (ret < 0) {
- dev_err(&data->client->dev,
+ dev_err(data->dev,
"Failed: bmc150_accel_set_power_state for %d\n", on);
if (on)
- pm_runtime_put_noidle(&data->client->dev);
+ pm_runtime_put_noidle(data->dev);

return ret;
}
@@ -473,7 +473,7 @@ static int bmc150_accel_set_interrupt(struct bmc150_accel_data *data, int i,
ret = regmap_update_bits(data->regmap, info->map_reg, info->map_bitmask,
(state ? info->map_bitmask : 0));
if (ret < 0) {
- dev_err(&data->client->dev, "Error updating reg_int_map\n");
+ dev_err(data->dev, "Error updating reg_int_map\n");
goto out_fix_power_state;
}

@@ -481,7 +481,7 @@ static int bmc150_accel_set_interrupt(struct bmc150_accel_data *data, int i,
ret = regmap_update_bits(data->regmap, info->en_reg, info->en_bitmask,
(state ? info->en_bitmask : 0));
if (ret < 0) {
- dev_err(&data->client->dev, "Error updating reg_int_en\n");
+ dev_err(data->dev, "Error updating reg_int_en\n");
goto out_fix_power_state;
}

@@ -507,7 +507,7 @@ static int bmc150_accel_set_scale(struct bmc150_accel_data *data, int val)
BMC150_ACCEL_REG_PMU_RANGE,
data->chip_info->scale_table[i].reg_range);
if (ret < 0) {
- dev_err(&data->client->dev,
+ dev_err(data->dev,
"Error writing pmu_range\n");
return ret;
}
@@ -529,7 +529,7 @@ static int bmc150_accel_get_temp(struct bmc150_accel_data *data, int *val)

ret = regmap_read(data->regmap, BMC150_ACCEL_REG_TEMP, &value);
if (ret < 0) {
- dev_err(&data->client->dev, "Error reading reg_temp\n");
+ dev_err(data->dev, "Error reading reg_temp\n");
mutex_unlock(&data->mutex);
return ret;
}
@@ -558,7 +558,7 @@ static int bmc150_accel_get_axis(struct bmc150_accel_data *data,
ret = regmap_bulk_read(data->regmap, BMC150_ACCEL_AXIS_TO_REG(axis),
&raw_val, 2);
if (ret < 0) {
- dev_err(&data->client->dev, "Error reading axis %d\n", axis);
+ dev_err(data->dev, "Error reading axis %d\n", axis);
bmc150_accel_set_power_state(data, false);
mutex_unlock(&data->mutex);
return ret;
@@ -872,7 +872,7 @@ static int __bmc150_accel_fifo_flush(struct iio_dev *indio_dev,

ret = regmap_read(data->regmap, BMC150_ACCEL_REG_FIFO_STATUS, &val);
if (ret < 0) {
- dev_err(&data->client->dev, "Error reading reg_fifo_status\n");
+ dev_err(data->dev, "Error reading reg_fifo_status\n");
return ret;
}

@@ -1159,7 +1159,7 @@ static int bmc150_accel_trig_try_reen(struct iio_trigger *trig)
BMC150_ACCEL_INT_MODE_LATCH_RESET);
mutex_unlock(&data->mutex);
if (ret < 0) {
- dev_err(&data->client->dev,
+ dev_err(data->dev,
"Error writing reg_int_rst_latch\n");
return ret;
}
@@ -1217,7 +1217,7 @@ static int bmc150_accel_handle_roc_event(struct iio_dev *indio_dev)

ret = regmap_read(data->regmap, BMC150_ACCEL_REG_INT_STATUS_2, &val);
if (ret < 0) {
- dev_err(&data->client->dev, "Error reading reg_int_status_2\n");
+ dev_err(data->dev, "Error reading reg_int_status_2\n");
return ret;
}

@@ -1283,8 +1283,7 @@ static irqreturn_t bmc150_accel_irq_thread_handler(int irq, void *private)
BMC150_ACCEL_INT_MODE_LATCH_INT |
BMC150_ACCEL_INT_MODE_LATCH_RESET);
if (ret)
- dev_err(&data->client->dev,
- "Error writing reg_int_rst_latch\n");
+ dev_err(data->dev, "Error writing reg_int_rst_latch\n");

ret = IRQ_HANDLED;
} else {
@@ -1323,17 +1322,13 @@ static irqreturn_t bmc150_accel_irq_handler(int irq, void *private)
return IRQ_NONE;
}

-static int bmc150_accel_gpio_probe(struct i2c_client *client,
- struct bmc150_accel_data *data)
+static int bmc150_accel_gpio_probe(struct bmc150_accel_data *data)
{
struct device *dev;
struct gpio_desc *gpio;
int ret;

- if (!client)
- return -EINVAL;
-
- dev = &client->dev;
+ dev = data->dev;

/* data ready gpio interrupt pin */
gpio = devm_gpiod_get_index(dev, BMC150_ACCEL_GPIO_NAME, 0, GPIOD_IN);
@@ -1386,7 +1381,7 @@ static int bmc150_accel_triggers_setup(struct iio_dev *indio_dev,
for (i = 0; i < BMC150_ACCEL_TRIGGERS; i++) {
struct bmc150_accel_trigger *t = &data->triggers[i];

- t->indio_trig = devm_iio_trigger_alloc(&data->client->dev,
+ t->indio_trig = devm_iio_trigger_alloc(data->dev,
bmc150_accel_triggers[i].name,
indio_dev->name,
indio_dev->id);
@@ -1395,7 +1390,7 @@ static int bmc150_accel_triggers_setup(struct iio_dev *indio_dev,
break;
}

- t->indio_trig->dev.parent = &data->client->dev;
+ t->indio_trig->dev.parent = data->dev;
t->indio_trig->ops = &bmc150_accel_trigger_ops;
t->intr = bmc150_accel_triggers[i].intr;
t->data = data;
@@ -1424,7 +1419,7 @@ static int bmc150_accel_fifo_set_mode(struct bmc150_accel_data *data)

ret = regmap_write(data->regmap, reg, data->fifo_mode);
if (ret < 0) {
- dev_err(&data->client->dev, "Error writing reg_fifo_config1\n");
+ dev_err(data->dev, "Error writing reg_fifo_config1\n");
return ret;
}

@@ -1434,7 +1429,7 @@ static int bmc150_accel_fifo_set_mode(struct bmc150_accel_data *data)
ret = regmap_write(data->regmap, BMC150_ACCEL_REG_FIFO_CONFIG0,
data->watermark);
if (ret < 0)
- dev_err(&data->client->dev, "Error writing reg_fifo_config0\n");
+ dev_err(data->dev, "Error writing reg_fifo_config0\n");

return ret;
}
@@ -1523,12 +1518,12 @@ static int bmc150_accel_chip_init(struct bmc150_accel_data *data)

ret = regmap_read(data->regmap, BMC150_ACCEL_REG_CHIP_ID, &val);
if (ret < 0) {
- dev_err(&data->client->dev,
+ dev_err(data->dev,
"Error: Reading chip id\n");
return ret;
}

- dev_dbg(&data->client->dev, "Chip Id %x\n", val);
+ dev_dbg(data->dev, "Chip Id %x\n", val);
for (i = 0; i < ARRAY_SIZE(bmc150_accel_chip_info_tbl); i++) {
if (bmc150_accel_chip_info_tbl[i].chip_id == val) {
data->chip_info = &bmc150_accel_chip_info_tbl[i];
@@ -1537,7 +1532,7 @@ static int bmc150_accel_chip_init(struct bmc150_accel_data *data)
}

if (!data->chip_info) {
- dev_err(&data->client->dev, "Invalid chip %x\n", val);
+ dev_err(data->dev, "Invalid chip %x\n", val);
return -ENODEV;
}

@@ -1554,7 +1549,7 @@ static int bmc150_accel_chip_init(struct bmc150_accel_data *data)
ret = regmap_write(data->regmap, BMC150_ACCEL_REG_PMU_RANGE,
BMC150_ACCEL_DEF_RANGE_4G);
if (ret < 0) {
- dev_err(&data->client->dev,
+ dev_err(data->dev,
"Error writing reg_pmu_range\n");
return ret;
}
@@ -1573,7 +1568,7 @@ static int bmc150_accel_chip_init(struct bmc150_accel_data *data)
BMC150_ACCEL_INT_MODE_LATCH_INT |
BMC150_ACCEL_INT_MODE_LATCH_RESET);
if (ret < 0) {
- dev_err(&data->client->dev,
+ dev_err(data->dev,
"Error writing reg_int_rst_latch\n");
return ret;
}
@@ -1588,6 +1583,7 @@ static int bmc150_accel_probe(struct i2c_client *client,
struct iio_dev *indio_dev;
int ret;
const char *name = NULL;
+ struct device *dev;

indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data));
if (!indio_dev)
@@ -1595,12 +1591,13 @@ static int bmc150_accel_probe(struct i2c_client *client,

data = iio_priv(indio_dev);
i2c_set_clientdata(client, indio_dev);
- data->client = client;
data->dev = &client->dev;
+ dev = &client->dev;
+ data->irq = client->irq;

data->regmap = devm_regmap_init_i2c(client, &bmc150_i2c_regmap_conf);
if (IS_ERR(data->regmap)) {
- dev_err(&client->dev, "Failed to initialize i2c regmap\n");
+ dev_err(dev, "Failed to initialize i2c regmap\n");
return PTR_ERR(data->regmap);
}

@@ -1613,7 +1610,7 @@ static int bmc150_accel_probe(struct i2c_client *client,

mutex_init(&data->mutex);

- indio_dev->dev.parent = &client->dev;
+ indio_dev->dev.parent = dev;
indio_dev->channels = data->chip_info->channels;
indio_dev->num_channels = data->chip_info->num_channels;
indio_dev->name = name ? name : data->chip_info->name;
@@ -1625,16 +1622,16 @@ static int bmc150_accel_probe(struct i2c_client *client,
bmc150_accel_trigger_handler,
&bmc150_accel_buffer_ops);
if (ret < 0) {
- dev_err(&client->dev, "Failed: iio triggered buffer setup\n");
+ dev_err(data->dev, "Failed: iio triggered buffer setup\n");
return ret;
}

- if (client->irq < 0)
- client->irq = bmc150_accel_gpio_probe(client, data);
+ if (data->irq <= 0)
+ data->irq = bmc150_accel_gpio_probe(data);

- if (client->irq > 0) {
+ if (data->irq > 0) {
ret = devm_request_threaded_irq(
- &client->dev, client->irq,
+ data->dev, data->irq,
bmc150_accel_irq_handler,
bmc150_accel_irq_thread_handler,
IRQF_TRIGGER_RISING,
@@ -1652,7 +1649,7 @@ static int bmc150_accel_probe(struct i2c_client *client,
ret = regmap_write(data->regmap, BMC150_ACCEL_REG_INT_RST_LATCH,
BMC150_ACCEL_INT_MODE_LATCH_RESET);
if (ret < 0) {
- dev_err(&data->client->dev, "Error writing reg_int_rst_latch\n");
+ dev_err(data->dev, "Error writing reg_int_rst_latch\n");
goto err_buffer_cleanup;
}

@@ -1673,18 +1670,17 @@ static int bmc150_accel_probe(struct i2c_client *client,

ret = iio_device_register(indio_dev);
if (ret < 0) {
- dev_err(&client->dev, "Unable to register iio device\n");
+ dev_err(data->dev, "Unable to register iio device\n");
goto err_trigger_unregister;
}

- ret = pm_runtime_set_active(&client->dev);
+ ret = pm_runtime_set_active(dev);
if (ret)
goto err_iio_unregister;

- pm_runtime_enable(&client->dev);
- pm_runtime_set_autosuspend_delay(&client->dev,
- BMC150_AUTO_SUSPEND_DELAY_MS);
- pm_runtime_use_autosuspend(&client->dev);
+ pm_runtime_enable(dev);
+ pm_runtime_set_autosuspend_delay(dev, BMC150_AUTO_SUSPEND_DELAY_MS);
+ pm_runtime_use_autosuspend(dev);

return 0;

@@ -1703,9 +1699,9 @@ static int bmc150_accel_remove(struct i2c_client *client)
struct iio_dev *indio_dev = i2c_get_clientdata(client);
struct bmc150_accel_data *data = iio_priv(indio_dev);

- pm_runtime_disable(&client->dev);
- pm_runtime_set_suspended(&client->dev);
- pm_runtime_put_noidle(&client->dev);
+ pm_runtime_disable(data->dev);
+ pm_runtime_set_suspended(data->dev);
+ pm_runtime_put_noidle(data->dev);

iio_device_unregister(indio_dev);

@@ -1723,7 +1719,7 @@ static int bmc150_accel_remove(struct i2c_client *client)
#ifdef CONFIG_PM_SLEEP
static int bmc150_accel_suspend(struct device *dev)
{
- struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct bmc150_accel_data *data = iio_priv(indio_dev);

mutex_lock(&data->mutex);
@@ -1735,7 +1731,7 @@ static int bmc150_accel_suspend(struct device *dev)

static int bmc150_accel_resume(struct device *dev)
{
- struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct bmc150_accel_data *data = iio_priv(indio_dev);

mutex_lock(&data->mutex);
@@ -1751,11 +1747,11 @@ static int bmc150_accel_resume(struct device *dev)
#ifdef CONFIG_PM
static int bmc150_accel_runtime_suspend(struct device *dev)
{
- struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct bmc150_accel_data *data = iio_priv(indio_dev);
int ret;

- dev_dbg(&data->client->dev, __func__);
+ dev_dbg(data->dev, __func__);
ret = bmc150_accel_set_mode(data, BMC150_ACCEL_SLEEP_MODE_SUSPEND, 0);
if (ret < 0)
return -EAGAIN;
@@ -1765,12 +1761,12 @@ static int bmc150_accel_runtime_suspend(struct device *dev)

static int bmc150_accel_runtime_resume(struct device *dev)
{
- struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
+ struct iio_dev *indio_dev = dev_get_drvdata(dev);
struct bmc150_accel_data *data = iio_priv(indio_dev);
int ret;
int sleep_val;

- dev_dbg(&data->client->dev, __func__);
+ dev_dbg(data->dev, __func__);

ret = bmc150_accel_set_mode(data, BMC150_ACCEL_SLEEP_MODE_NORMAL, 0);
if (ret < 0)
--
2.5.1

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