[PATCH v1 2/3] iio: imu: inv_mpu6050: Check ACPI companion directly

From: Andy Shevchenko
Date: Thu Feb 03 2022 - 10:59:16 EST


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@xxxxxxxxxxxxxxx>
---
drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c b/drivers/iio/imu/inv_mpu6050/inv_mpu_acpi.c
index f8f0cf716bc6..9b4298095d3f 100644
--- 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);
--
2.34.1