From: Jonathan Cameron Date: Mon, 18 Apr 2011 11:58:55 +0000 (+0100) Subject: staging:iio:tsl2563 take advantage of new iio_device_allocate private data. X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=33789dce549895712cdc53d421b408c6607a07f6;p=linux-beck.git staging:iio:tsl2563 take advantage of new iio_device_allocate private data. Signed-off-by: Jonathan Cameron Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/staging/iio/light/tsl2563.c b/drivers/staging/iio/light/tsl2563.c index 35d94c6d8d8f..8c00584c53db 100644 --- a/drivers/staging/iio/light/tsl2563.c +++ b/drivers/staging/iio/light/tsl2563.c @@ -115,7 +115,6 @@ static struct tsl2563_gainlevel_coeff tsl2563_gainlevel_table[] = { struct tsl2563_chip { struct mutex lock; struct i2c_client *client; - struct iio_dev *indio_dev; struct delayed_work poweroff_work; struct work_struct work_thresh; @@ -470,8 +469,7 @@ static unsigned int adc_to_lux(u32 adc0, u32 adc1) static ssize_t tsl2563_adc_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct tsl2563_chip *chip = indio_dev->dev_data; + struct tsl2563_chip *chip = iio_priv(dev_get_drvdata(dev)); struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); int ret; @@ -508,8 +506,7 @@ static u32 calib_adc(u32 adc, u32 calib) static ssize_t tsl2563_lux_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct tsl2563_chip *chip = indio_dev->dev_data; + struct tsl2563_chip *chip = iio_priv(dev_get_drvdata(dev)); u32 calib0, calib1; int ret; @@ -537,8 +534,7 @@ static ssize_t format_calib(char *buf, int len, u32 calib) static ssize_t tsl2563_calib_show(struct device *dev, struct device_attribute *attr, char *buf) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct tsl2563_chip *chip = indio_dev->dev_data; + struct tsl2563_chip *chip = iio_priv(dev_get_drvdata(dev)); struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); int ret; @@ -561,8 +557,7 @@ static ssize_t tsl2563_calib_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t len) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct tsl2563_chip *chip = indio_dev->dev_data; + struct tsl2563_chip *chip = iio_priv(dev_get_drvdata(dev)); struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); int value; u32 calib; @@ -598,8 +593,7 @@ static ssize_t tsl2563_show_name(struct device *dev, struct device_attribute *attr, char *buf) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct tsl2563_chip *chip = indio_dev->dev_data; + struct tsl2563_chip *chip = iio_priv(dev_get_drvdata(dev)); return sprintf(buf, "%s\n", chip->client->name); } @@ -623,8 +617,7 @@ static ssize_t tsl2563_read_thresh(struct device *dev, struct device_attribute *attr, char *buf) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct tsl2563_chip *chip = indio_dev->dev_data; + struct tsl2563_chip *chip = iio_priv(dev_get_drvdata(dev)); struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); u16 val = 0; switch (this_attr->address) { @@ -643,8 +636,7 @@ static ssize_t tsl2563_write_thresh(struct device *dev, const char *buf, size_t len) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct tsl2563_chip *chip = indio_dev->dev_data; + struct tsl2563_chip *chip = iio_priv(dev_get_drvdata(dev)); struct iio_dev_attr *this_attr = to_iio_dev_attr(attr); unsigned long val; int ret; @@ -690,7 +682,7 @@ static int tsl2563_int_th(struct iio_dev *dev_info, s64 timestamp, int not_test) { - struct tsl2563_chip *chip = dev_info->dev_data; + struct tsl2563_chip *chip = iio_priv(dev_info); chip->event_timestamp = timestamp; schedule_work(&chip->work_thresh); @@ -705,7 +697,7 @@ static void tsl2563_int_bh(struct work_struct *work_s) struct tsl2563_chip, work_thresh); u8 cmd = TSL2563_CMD | TSL2563_CLEARINT; - iio_push_event(chip->indio_dev, 0, + iio_push_event(iio_priv_to_dev(chip), 0, IIO_UNMOD_EVENT_CODE(IIO_EV_CLASS_LIGHT, 0, IIO_EV_TYPE_THRESH, @@ -725,7 +717,7 @@ static ssize_t tsl2563_write_interrupt_config(struct device *dev, size_t len) { struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct tsl2563_chip *chip = indio_dev->dev_data; + struct tsl2563_chip *chip = iio_priv(indio_dev); struct iio_event_attr *this_attr = to_iio_event_attr(attr); int input, ret = 0; @@ -771,8 +763,7 @@ static ssize_t tsl2563_read_interrupt_config(struct device *dev, struct device_attribute *attr, char *buf) { - struct iio_dev *indio_dev = dev_get_drvdata(dev); - struct tsl2563_chip *chip = indio_dev->dev_data; + struct tsl2563_chip *chip = iio_priv(dev_get_drvdata(dev)); int ret; u8 rxbuf; ssize_t len; @@ -816,16 +807,19 @@ static struct i2c_driver tsl2563_i2c_driver; static int __devinit tsl2563_probe(struct i2c_client *client, const struct i2c_device_id *device_id) { + struct iio_dev *indio_dev; struct tsl2563_chip *chip; struct tsl2563_platform_data *pdata = client->dev.platform_data; int err = 0; int ret; u8 id; - chip = kzalloc(sizeof(*chip), GFP_KERNEL); - if (!chip) + indio_dev = iio_allocate_device(sizeof(*chip)); + if (!indio_dev) return -ENOMEM; + chip = iio_priv(indio_dev); + INIT_WORK(&chip->work_thresh, tsl2563_int_bh); i2c_set_clientdata(client, chip); chip->client = client; @@ -857,26 +851,22 @@ static int __devinit tsl2563_probe(struct i2c_client *client, dev_info(&client->dev, "model %d, rev. %d\n", id >> 4, id & 0x0f); - chip->indio_dev = iio_allocate_device(0); - if (!chip->indio_dev) - goto fail1; - chip->indio_dev->attrs = &tsl2563_group; - chip->indio_dev->dev.parent = &client->dev; - chip->indio_dev->dev_data = (void *)(chip); - chip->indio_dev->driver_module = THIS_MODULE; - chip->indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->attrs = &tsl2563_group; + indio_dev->dev.parent = &client->dev; + indio_dev->driver_module = THIS_MODULE; + indio_dev->modes = INDIO_DIRECT_MODE; if (client->irq) { - chip->indio_dev->num_interrupt_lines = 1; - chip->indio_dev->event_attrs + indio_dev->num_interrupt_lines = 1; + indio_dev->event_attrs = &tsl2563_event_attribute_group; } - ret = iio_device_register(chip->indio_dev); + ret = iio_device_register(indio_dev); if (ret) goto fail1; if (client->irq) { ret = iio_register_interrupt_line(client->irq, - chip->indio_dev, + indio_dev, 0, IRQF_TRIGGER_RISING, client->name); @@ -894,9 +884,9 @@ static int __devinit tsl2563_probe(struct i2c_client *client, return 0; fail3: if (client->irq) - iio_unregister_interrupt_line(chip->indio_dev, 0); + iio_unregister_interrupt_line(indio_dev, 0); fail2: - iio_device_unregister(chip->indio_dev); + iio_device_unregister(indio_dev); fail1: kfree(chip); return err; @@ -905,6 +895,7 @@ fail1: static int tsl2563_remove(struct i2c_client *client) { struct tsl2563_chip *chip = i2c_get_clientdata(client); + struct iio_dev *indio_dev = iio_priv_to_dev(chip); if (!chip->int_enabled) cancel_delayed_work(&chip->poweroff_work); /* Ensure that interrupts are disabled - then flush any bottom halves */ @@ -913,10 +904,9 @@ static int tsl2563_remove(struct i2c_client *client) flush_scheduled_work(); tsl2563_set_power(chip, 0); if (client->irq) - iio_unregister_interrupt_line(chip->indio_dev, 0); - iio_device_unregister(chip->indio_dev); + iio_unregister_interrupt_line(indio_dev, 0); + iio_device_unregister(indio_dev); - kfree(chip); return 0; }