IIO core (ACPI part) provides a generic helper that may be used in
the driver. Replace custom implementation of iio_get_acpi_device_name().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
 drivers/iio/accel/mma9553.c | 19 ++++---------------
 1 file changed, 4 insertions(+), 15 deletions(-)

diff --git a/drivers/iio/accel/mma9553.c b/drivers/iio/accel/mma9553.c
index 86543f34ef17..1ea6aa007412 100644
--- a/drivers/iio/accel/mma9553.c
+++ b/drivers/iio/accel/mma9553.c
@@ -4,11 +4,11 @@
  * Copyright (c) 2014, Intel Corporation.
  */
 
-#include <linux/module.h>
 #include <linux/i2c.h>
 #include <linux/interrupt.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
 #include <linux/slab.h>
-#include <linux/acpi.h>
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
 #include <linux/iio/events.h>
@@ -1062,17 +1062,6 @@ static irqreturn_t mma9553_event_handler(int irq, void *private)
 	return IRQ_HANDLED;
 }
 
-static const char *mma9553_match_acpi_device(struct device *dev)
-{
-	const struct acpi_device_id *id;
-
-	id = acpi_match_device(dev->driver->acpi_match_table, dev);
-	if (!id)
-		return NULL;
-
-	return dev_name(dev);
-}
-
 static int mma9553_probe(struct i2c_client *client)
 {
 	const struct i2c_device_id *id = i2c_client_get_device_id(client);
@@ -1091,9 +1080,9 @@ static int mma9553_probe(struct i2c_client *client)
 
 	if (id)
 		name = id->name;
-	else if (ACPI_HANDLE(&client->dev))
-		name = mma9553_match_acpi_device(&client->dev);
 	else
+		name = iio_get_acpi_device_name(&client->dev);
+	if (!name)
 		return -ENOSYS;
 
 	mutex_init(&data->mutex);
-- 
2.43.0.rc1.1336.g36b5255a03ac