iio: imu: inv_mpu6050: Check ACPI companion directly

Instead of checking for ACPI handle followed by extracting a companion
device, do the latter first and use it for checks.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220203155920.18586-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>

diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c
index f8f0cf716bc6b233004892dd2891e5be9e88de51..9b4298095d3f0ae39a05bbe6d5ba0eb8e300b3f9 100644 (file)
--- a/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c
+++ b/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c
@@ -127,15 +127,14 @@ static int inv_mpu_process_acpi_config(struct i2c_client *client,
 int inv_mpu_acpi_create_mux_client(struct i2c_client *client)
 {
        struct inv_mpu6050_state *st = iio_priv(dev_get_drvdata(&client->dev));
+       struct acpi_device *adev = ACPI_COMPANION(&client->dev);
 
        st->mux_client = NULL;
-       if (ACPI_HANDLE(&client->dev)) {
+       if (adev) {
                struct i2c_board_info info;
                struct i2c_client *mux_client;
-               struct acpi_device *adev;
                int ret = -1;
 
-               adev = ACPI_COMPANION(&client->dev);
                memset(&info, 0, sizeof(info));
 
                dmi_check_system(inv_mpu_dev_list);