[PATCH v2 4/7] platform: arm64: lenovo-yoga-c630: use the auxiliary device creation helper

[Jerome Brunet]

The auxiliary device creation of this driver is simple enough to
use the available auxiliary device creation helper.

Use it and remove some boilerplate code.

Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
---
 drivers/platform/arm64/lenovo-yoga-c630.c | 43 ++++---------------------------
 1 file changed, 5 insertions(+), 38 deletions(-)

diff --git a/drivers/platform/arm64/lenovo-yoga-c630.c b/drivers/platform/arm64/lenovo-yoga-c630.c
index 1f05c9a6a89d5ee146144062f5d2e36795c56639..b17b728f6a30eff301ce3f903f7a6e4bea2bbfcc 100644
--- a/drivers/platform/arm64/lenovo-yoga-c630.c
+++ b/drivers/platform/arm64/lenovo-yoga-c630.c
@@ -191,50 +191,17 @@ void yoga_c630_ec_unregister_notify(struct yoga_c630_ec *ec, struct notifier_blo
 }
 EXPORT_SYMBOL_GPL(yoga_c630_ec_unregister_notify);
 
-static void yoga_c630_aux_release(struct device *dev)
-{
-	struct auxiliary_device *adev = to_auxiliary_dev(dev);
-
-	kfree(adev);
-}
-
-static void yoga_c630_aux_remove(void *data)
-{
-	struct auxiliary_device *adev = data;
-
-	auxiliary_device_delete(adev);
-	auxiliary_device_uninit(adev);
-}
-
 static int yoga_c630_aux_init(struct device *parent, const char *name,
 			      struct yoga_c630_ec *ec)
 {
 	struct auxiliary_device *adev;
-	int ret;
-
-	adev = kzalloc(sizeof(*adev), GFP_KERNEL);
-	if (!adev)
-		return -ENOMEM;
-
-	adev->name = name;
-	adev->id = 0;
-	adev->dev.parent = parent;
-	adev->dev.release = yoga_c630_aux_release;
-	adev->dev.platform_data = ec;
 
-	ret = auxiliary_device_init(adev);
-	if (ret) {
-		kfree(adev);
-		return ret;
-	}
-
-	ret = auxiliary_device_add(adev);
-	if (ret) {
-		auxiliary_device_uninit(adev);
-		return ret;
-	}
+	adev = devm_auxiliary_device_create(parent, KBUILD_MODNAME,
+					    name, ec, 0);
+	if (IS_ERR(adev))
+		return PTR_ERR(adev);
 
-	return devm_add_action_or_reset(parent, yoga_c630_aux_remove, adev);
+	return 0;
 }
 
 static int yoga_c630_ec_probe(struct i2c_client *client)

-- 
2.45.2