@@ -165,7 +165,10 @@ int __max730x_probe(struct max7301 *ts)
pdata = dev_get_platdata(dev);
- mutex_init(&ts->lock);
+ ret = devm_mutex_init(ts->dev, &ts->lock);
+ if (ret)
+ return ret;
+
dev_set_drvdata(dev, ts);
/* Power up the chip and disable IRQ output */
@@ -206,17 +209,11 @@ int __max730x_probe(struct max7301 *ts)
int offset = (i - 1) * 4 + j;
ret = max7301_direction_input(&ts->chip, offset);
if (ret)
- goto exit_destroy;
+ return ret;
}
}
- ret = gpiochip_add_data(&ts->chip, ts);
- if (!ret)
- return ret;
-
-exit_destroy:
- mutex_destroy(&ts->lock);
- return ret;
+ return devm_gpiochip_add_data(ts->dev, &ts->chip, ts);
}
EXPORT_SYMBOL_GPL(__max730x_probe);
@@ -226,8 +223,6 @@ void __max730x_remove(struct device *dev)
/* Power down the chip and disable IRQ output */
ts->write(dev, 0x04, 0x00);
- gpiochip_remove(&ts->chip);
- mutex_destroy(&ts->lock);
}
EXPORT_SYMBOL_GPL(__max730x_remove);