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gpio: pca953x: Drop deprecated DT bindings

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

Signed-off-by: Markus Pargmann <mpa@pengutronix.de>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Markus Pargmann 2014-07-29 09:24:43 +02:00 committed by Linus Walleij
parent 52addcf9d6
commit 4bb93349d9
1 changed files with 3 additions and 51 deletions
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54
drivers/gpio/gpio-pca953x.c
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@ -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;