From: Fabien Parent <fparent@baylibre.com>
Date: Tue, 23 Feb 2016 17:46:11 +0000 (+0100)
Subject: greybus: connection: {en,dis}able fct flow in connection management
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=71f6c3231c1dce6980f97b7bc7ed7ac32faac550;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

greybus: connection: {en,dis}able fct flow in connection management

The AP must enable the FCT flow of APBA once it has received the response
from the AP that the connection between APBA and a module has been setted up.
Disable the flow of FCT tokens when destroying connections.

Signed-off-by: Fabien Parent <fparent@baylibre.com>
Reviewed-by: Johan Hovold <johan@hovoldconsulting.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
---

diff --git a/drivers/staging/greybus/connection.c b/drivers/staging/greybus/connection.c
index 4ae7153ff863..34e26dc6e249 100644
--- a/drivers/staging/greybus/connection.c
+++ b/drivers/staging/greybus/connection.c
@@ -314,7 +314,7 @@ gb_connection_svc_connection_create(struct gb_connection *connection)
 	int ret;
 
 	if (gb_connection_is_static(connection))
-		return 0;
+		return gb_connection_hd_fct_flow_enable(connection);
 
 	intf = connection->intf;
 	ret = gb_svc_connection_create(hd->svc,
@@ -330,12 +330,23 @@ gb_connection_svc_connection_create(struct gb_connection *connection)
 		return ret;
 	}
 
+	ret = gb_connection_hd_fct_flow_enable(connection);
+	if (ret) {
+		gb_svc_connection_destroy(hd->svc, hd->svc->ap_intf_id,
+					  connection->hd_cport_id,
+					  intf->interface_id,
+					  connection->intf_cport_id);
+		return ret;
+	}
+
 	return 0;
 }
 
 static void
 gb_connection_svc_connection_destroy(struct gb_connection *connection)
 {
+	gb_connection_hd_fct_flow_disable(connection);
+
 	if (gb_connection_is_static(connection))
 		return;