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path: root/drivers/gpio/gpio-max730x.c
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Diffstat (limited to 'drivers/gpio/gpio-max730x.c')
-rw-r--r--drivers/gpio/gpio-max730x.c16
1 files changed, 8 insertions, 8 deletions
diff --git a/drivers/gpio/gpio-max730x.c b/drivers/gpio/gpio-max730x.c
index 05e2dac60b3..00092342b84 100644
--- a/drivers/gpio/gpio-max730x.c
+++ b/drivers/gpio/gpio-max730x.c
@@ -160,17 +160,13 @@ static void max7301_set(struct gpio_chip *chip, unsigned offset, int value)
mutex_unlock(&ts->lock);
}
-int __devinit __max730x_probe(struct max7301 *ts)
+int __max730x_probe(struct max7301 *ts)
{
struct device *dev = ts->dev;
struct max7301_platform_data *pdata;
int i, ret;
pdata = dev->platform_data;
- if (!pdata || !pdata->base) {
- dev_err(dev, "incorrect or missing platform data\n");
- return -EINVAL;
- }
mutex_init(&ts->lock);
dev_set_drvdata(dev, ts);
@@ -178,7 +174,12 @@ int __devinit __max730x_probe(struct max7301 *ts)
/* Power up the chip and disable IRQ output */
ts->write(dev, 0x04, 0x01);
- ts->input_pullup_active = pdata->input_pullup_active;
+ if (pdata) {
+ ts->input_pullup_active = pdata->input_pullup_active;
+ ts->chip.base = pdata->base;
+ } else {
+ ts->chip.base = -1;
+ }
ts->chip.label = dev->driver->name;
ts->chip.direction_input = max7301_direction_input;
@@ -186,7 +187,6 @@ int __devinit __max730x_probe(struct max7301 *ts)
ts->chip.direction_output = max7301_direction_output;
ts->chip.set = max7301_set;
- ts->chip.base = pdata->base;
ts->chip.ngpio = PIN_NUMBER;
ts->chip.can_sleep = 1;
ts->chip.dev = dev;
@@ -226,7 +226,7 @@ exit_destroy:
}
EXPORT_SYMBOL_GPL(__max730x_probe);
-int __devexit __max730x_remove(struct device *dev)
+int __max730x_remove(struct device *dev)
{
struct max7301 *ts = dev_get_drvdata(dev);
int ret;