> -----Original Message----- > From: Markus Pargmann [mailto:mpa@xxxxxxxxxxxxxx] > Sent: 21 September, 2015 13:55 > To: Jonathan Cameron > Cc: Srinivas Pandruvada; Tirdea, Irina; Lars-Peter Clausen; linux-iio@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; > kernel@xxxxxxxxxxxxxx; Markus Pargmann > Subject: [PATCH v3 2/4] iio: bcm150: Remove i2c_client from private data > > 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> Tested-by: Irina Tirdea <irina.tirdea@xxxxxxxxx> > --- > 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 -- To unsubscribe from this list: send the line "unsubscribe linux-iio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html