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Commit 1946980b authored by David Veenstra's avatar David Veenstra Committed by Jonathan Cameron
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staging: iio: ad2s1200: Replace platform data with dt bindings 



Remove usage of platform data, and replace it with device tree
facilities.

Signed-off-by: default avatarDavid Veenstra <davidjulianveenstra@gmail.com>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 5af93e6a

drivers/staging/iio/resolver/ad2s1200.c

+15 −17
Original line number Diff line number Diff line
@@ -25,9 +25,6 @@ 


#define DRV_NAME "ad2s1200"



/* input pin sample and rdvel is controlled by driver */

#define AD2S1200_PN	2



/* input clock on serial interface */

#define AD2S1200_HZ	8192000

/* clock period in nano second */
@@ -111,20 +108,9 @@ static const struct iio_info ad2s1200_info = { 


static int ad2s1200_probe(struct spi_device *spi)

{

	unsigned short *pins = spi->dev.platform_data;

	struct ad2s1200_state *st;

	struct iio_dev *indio_dev;

	int pn, ret;



	for (pn = 0; pn < AD2S1200_PN; pn++) {

		ret = devm_gpio_request_one(&spi->dev, pins[pn], GPIOF_DIR_OUT,

					    DRV_NAME);

		if (ret) {

			dev_err(&spi->dev, "request gpio pin %d failed\n",

				pins[pn]);

			return ret;

		}

	}

	int ret;



	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));

	if (!indio_dev)
@@ -134,8 +120,20 @@ static int ad2s1200_probe(struct spi_device *spi) 
	st = iio_priv(indio_dev);

	mutex_init(&st->lock);

	st->sdev = spi;

	st->sample = gpio_to_desc(pins[0]);

	st->rdvel = gpio_to_desc(pins[1]);



	st->sample = devm_gpiod_get(&spi->dev, "adi,sample", GPIOD_OUT_LOW);

	if (IS_ERR(st->sample)) {

		dev_err(&spi->dev, "Failed to claim SAMPLE gpio: err=%ld\n",

			PTR_ERR(st->sample));

		return PTR_ERR(st->sample);

	}



	st->rdvel = devm_gpiod_get(&spi->dev, "adi,rdvel", GPIOD_OUT_LOW);

	if (IS_ERR(st->rdvel)) {

		dev_err(&spi->dev, "Failed to claim RDVEL gpio: err=%ld\n",

			PTR_ERR(st->rdvel));

		return PTR_ERR(st->rdvel);

	}



	indio_dev->dev.parent = &spi->dev;

	indio_dev->info = &ad2s1200_info;