firewire: Implement functionality to stop isochronous DMA contexts.

[firefly-linux-kernel-4.4.55.git] / drivers / firewire / fw-device-cdev.c

diff --git a/drivers/firewire/fw-device-cdev.c b/drivers/firewire/fw-device-cdev.c
index b738c997ef39ce5b63aeb49c55c8944e53f5ec74..1ce33d4f91a32bf0dac7d0c1f9effc412d84e62b 100644 (file)
--- a/drivers/firewire/fw-device-cdev.c
+++ b/drivers/firewire/fw-device-cdev.c
@@ -514,6 +514,11 @@ static int ioctl_start_iso(struct client *client, void __user *arg)
                                    request.speed, request.cycle);
 }
 
+static int ioctl_stop_iso(struct client *client, void __user *arg)
+{
+       return fw_iso_context_stop(client->iso_context);
+}
+
 static int
 dispatch_ioctl(struct client *client, unsigned int cmd, void __user *arg)
 {
@@ -532,6 +537,8 @@ dispatch_ioctl(struct client *client, unsigned int cmd, void __user *arg)
                return ioctl_queue_iso(client, arg);
        case FW_CDEV_IOC_START_ISO:
                return ioctl_start_iso(client, arg);
+       case FW_CDEV_IOC_STOP_ISO:
+               return ioctl_stop_iso(client, arg);
        default:
                return -EINVAL;
        }