iio: adc: Remove unnecessary cast on void pointer

The following Coccinelle script was used to detect this:
@r@
expression x;
void* e;
type T;
identifier f;
@@
(
  *((T *)e)
|
  ((T *)x)[...]
|
  ((T*)x)->f
|
- (T*)
  e
)

Signed-off-by: simran singhal <singhalsimran0@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

drivers/iio/adc/exynos_adc.c

@@ -579,7 +579,7 @@ static int exynos_read_s3c64xx_ts(struct iio_dev *indio_dev, int *x, int *y)
 
 static irqreturn_t exynos_adc_isr(int irq, void *dev_id)
 {
-	struct exynos_adc *info = (struct exynos_adc *)dev_id;
+	struct exynos_adc *info = dev_id;
 	u32 mask = info->data->mask;
 
 	/* Read value */

drivers/iio/adc/imx7d_adc.c

@@ -365,7 +365,7 @@ static int imx7d_adc_read_data(struct imx7d_adc *info)
 
 static irqreturn_t imx7d_adc_isr(int irq, void *dev_id)
 {
-	struct imx7d_adc *info = (struct imx7d_adc *)dev_id;
+	struct imx7d_adc *info = dev_id;
 	int status;
 
 	status = readl(info->regs + IMX7D_REG_ADC_INT_STATUS);

drivers/iio/adc/max1027.c

@@ -364,7 +364,7 @@ static int max1027_set_trigger_state(struct iio_trigger *trig, bool state)
 
 static irqreturn_t max1027_trigger_handler(int irq, void *private)
 {
-	struct iio_poll_func *pf = (struct iio_poll_func *)private;
+	struct iio_poll_func *pf = private;
 	struct iio_dev *indio_dev = pf->indio_dev;
 	struct max1027_state *st = iio_priv(indio_dev);
 

drivers/iio/adc/rockchip_saradc.c

@@ -109,7 +109,7 @@ static int rockchip_saradc_read_raw(struct iio_dev *indio_dev,
 
 static irqreturn_t rockchip_saradc_isr(int irq, void *dev_id)
 {
-	struct rockchip_saradc *info = (struct rockchip_saradc *)dev_id;
+	struct rockchip_saradc *info = dev_id;
 
 	/* Read value */
 	info->last_val = readl_relaxed(info->regs + SARADC_DATA);

drivers/iio/adc/sun4i-gpadc-iio.c

@@ -382,7 +382,7 @@ static int sun4i_gpadc_runtime_resume(struct device *dev)
 
 static int sun4i_gpadc_get_temp(void *data, int *temp)
 {
-	struct sun4i_gpadc_iio *info = (struct sun4i_gpadc_iio *)data;
+	struct sun4i_gpadc_iio *info = data;
 	int val, scale, offset;
 
 	if (sun4i_gpadc_temp_read(info->indio_dev, &val))

drivers/iio/adc/vf610_adc.c

@@ -584,7 +584,7 @@ static int vf610_adc_read_data(struct vf610_adc *info)
 
 static irqreturn_t vf610_adc_isr(int irq, void *dev_id)
 {
-	struct iio_dev *indio_dev = (struct iio_dev *)dev_id;
+	struct iio_dev *indio_dev = dev_id;
 	struct vf610_adc *info = iio_priv(indio_dev);
 	int coco;