[PATCH v2 6/6] platform/chrome: Manage struct cros_ec_device lifecycle by its refcount

[Tzung-Bi Shih <tzungbi@kernel.org>]

Stop delegating the memory to dev-managed.  Use its own refcount for
managing the lifecycle.

Signed-off-by: Tzung-Bi Shih <tzungbi@kernel.org>
---
New patch in the v2 series.

 drivers/platform/chrome/cros_ec_proto.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/platform/chrome/cros_ec_proto.c b/drivers/platform/chrome/cros_ec_proto.c
index f23d0522da96..097ef1fb3658 100644
--- a/drivers/platform/chrome/cros_ec_proto.c
+++ b/drivers/platform/chrome/cros_ec_proto.c
@@ -1166,7 +1166,7 @@ EXPORT_SYMBOL_GPL(cros_ec_get_cmd_versions);
  */
 struct cros_ec_device *cros_ec_device_alloc(struct device *dev)
 {
-	struct cros_ec_device *ec_dev = devm_kzalloc(dev, sizeof(*ec_dev), GFP_KERNEL);
+	struct cros_ec_device *ec_dev = kzalloc(sizeof(*ec_dev), GFP_KERNEL);
 
 	if (ec_dev) {
 		ec_dev->dev = dev;
@@ -1190,7 +1190,9 @@ EXPORT_SYMBOL_GPL(cros_ec_device_get);
 
 static void cros_ec_device_release(struct kref *kref)
 {
-	/* Do nothing as the cros_ec_device is still dev-managed. */
+	struct cros_ec_device *ec_dev = container_of(kref, struct cros_ec_device, kref);
+
+	kfree(ec_dev);
 }
 
 /**
-- 
2.50.0.727.gbf7dc18ff4-goog