Commit 4bb93349 authored by Markus Pargmann's avatar Markus Pargmann Committed by Linus Walleij
Browse files

gpio: pca953x: Drop deprecated DT bindings 



Drop deprecated DT bindings and use automaticly assigned gpio and irq
bases.

Signed-off-by: default avatarMarkus Pargmann <mpa@pengutronix.de>
Signed-off-by: default avatarLinus Walleij <linus.walleij@linaro.org>
parent 52addcf9

drivers/gpio/gpio-pca953x.c

+3 −51
Original line number Diff line number Diff line
@@ -520,7 +520,7 @@ static int pca953x_irq_setup(struct pca953x_chip *chip, 
	struct i2c_client *client = chip->client;

	int ret, i, offset = 0;



	if (irq_base != -1

	if (client->irq && irq_base != -1

			&& (id->driver_data & PCA_INT)) {



		switch (chip->chip_type) {
@@ -586,50 +586,6 @@ static int pca953x_irq_setup(struct pca953x_chip *chip, 
}

#endif



/*

 * Handlers for alternative sources of platform_data

 */

#ifdef CONFIG_OF_GPIO

/*

 * Translate OpenFirmware node properties into platform_data

 * WARNING: This is DEPRECATED and will be removed eventually!

 */

static void

pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, u32 *invert)

{

	struct device_node *node;

	const __be32 *val;

	int size;



	*gpio_base = -1;



	node = client->dev.of_node;

	if (node == NULL)

		return;



	val = of_get_property(node, "linux,gpio-base", &size);

	WARN(val, "%s: device-tree property 'linux,gpio-base' is deprecated!", __func__);

	if (val) {

		if (size != sizeof(*val))

			dev_warn(&client->dev, "%s: wrong linux,gpio-base\n",

				 node->full_name);

		else

			*gpio_base = be32_to_cpup(val);

	}



	val = of_get_property(node, "polarity", NULL);

	WARN(val, "%s: device-tree property 'polarity' is deprecated!", __func__);

	if (val)

		*invert = *val;

}

#else

static void

pca953x_get_alt_pdata(struct i2c_client *client, int *gpio_base, u32 *invert)

{

	*gpio_base = -1;

}

#endif



static int device_pca953x_init(struct pca953x_chip *chip, u32 invert)

{

	int ret;
@@ -704,12 +660,8 @@ static int pca953x_probe(struct i2c_client *client, 
		invert = pdata->invert;

		chip->names = pdata->names;

	} else {

		pca953x_get_alt_pdata(client, &chip->gpio_start, &invert);

#ifdef CONFIG_OF_GPIO

		/* If I2C node has no interrupts property, disable GPIO interrupts */

		if (of_find_property(client->dev.of_node, "interrupts", NULL) == NULL)

			irq_base = -1;

#endif

		chip->gpio_start = -1;

		irq_base = 0;

	}



	chip->client = client;