greybus: core: defer connection creation to driver probe

Defer connection creation to bundle driver probe instead of creating
them when initialising the interface and parsing the manifest.

Store copies of the CPorts descriptors in the bundle for the drivers to
use, and update the legacy driver.

This is needed for drivers that need more control over host-device
resource management, for example, when a protocol needs to use a
dedicated host CPort for traffic offloading (e.g. camera data).

This also avoids allocating host CPorts for bundles that are not bound
to a driver or for remote CPorts that a driver does not need.

Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

1 files changed, 1 insertions, 7 deletions

diff --git a/drivers/staging/greybus/bundle.c b/drivers/staging/greybus/bundle.c
index ec52bde..1714482 100644
--- a/drivers/staging/greybus/bundle.c
+++ b/drivers/staging/greybus/bundle.c
@@ -81,15 +81,9 @@ static struct gb_bundle *gb_bundle_find(struct gb_interface *intf,
 static void gb_bundle_release(struct device *dev)
 {
 	struct gb_bundle *bundle = to_gb_bundle(dev);
-	struct gb_connection *connection;
-	struct gb_connection *tmp;
-
-	list_for_each_entry_safe(connection, tmp, &bundle->connections,
-								bundle_links) {
-		gb_connection_destroy(connection);
-	}
 
 	kfree(bundle->state);
+	kfree(bundle->cport_desc);
 	kfree(bundle);
 }