iio: stx104: Remove unneeded struct stx104_dev code

The stx104_dev structure was used to hold private data for use in the
stx104_remove function. Now that the stx104_remove function is gone, the
stx104_dev structure and relevant code is no longer needed. This patch
removes the unnecessary code.

Signed-off-by: William Breathitt Gray <vilhelm.gray@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/adc/stx104.c b/drivers/iio/adc/stx104.c
index c56ff286695d23a19fb89cbc1ed6db1290719c3a..fcfad51cc4fba9cb9031b7f33031e0dff515c9df 100644 (file)
--- a/drivers/iio/adc/stx104.c
+++ b/drivers/iio/adc/stx104.c
@@ -76,16 +76,6 @@ struct stx104_gpio {
        unsigned int out_state;
 };
 
-/**
- * struct stx104_dev - STX104 device private data structure
- * @indio_dev: IIO device
- * @chip:      instance of the gpio_chip
- */
-struct stx104_dev {
-       struct iio_dev *indio_dev;
-       struct gpio_chip *chip;
-};
-
 static int stx104_read_raw(struct iio_dev *indio_dev,
        struct iio_chan_spec const *chan, int *val, int *val2, long mask)
 {
@@ -271,7 +261,6 @@ static int stx104_probe(struct device *dev, unsigned int id)
        struct iio_dev *indio_dev;
        struct stx104_iio *priv;
        struct stx104_gpio *stx104gpio;
-       struct stx104_dev *stx104dev;
        int err;
 
        indio_dev = devm_iio_device_alloc(dev, sizeof(*priv));
@@ -282,10 +271,6 @@ static int stx104_probe(struct device *dev, unsigned int id)
        if (!stx104gpio)
                return -ENOMEM;
 
-       stx104dev = devm_kzalloc(dev, sizeof(*stx104dev), GFP_KERNEL);
-       if (!stx104dev)
-               return -ENOMEM;
-
        if (!devm_request_region(dev, base[id], STX104_EXTENT,
                dev_name(dev))) {
                dev_err(dev, "Unable to lock port addresses (0x%X-0x%X)\n",
@@ -335,10 +320,6 @@ static int stx104_probe(struct device *dev, unsigned int id)
 
        spin_lock_init(&stx104gpio->lock);
 
-       stx104dev->indio_dev = indio_dev;
-       stx104dev->chip = &stx104gpio->chip;
-       dev_set_drvdata(dev, stx104dev);
-
        err = devm_gpiochip_add_data(dev, &stx104gpio->chip, stx104gpio);
        if (err) {
                dev_err(dev, "GPIO registering failed (%d)\n", err);