firewire: Implement ioctl to initiate bus reset.
Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
diff --git a/drivers/firewire/fw-device-cdev.c b/drivers/firewire/fw-device-cdev.c
index 9f3c96c..79e095e 100644
--- a/drivers/firewire/fw-device-cdev.c
+++ b/drivers/firewire/fw-device-cdev.c
@@ -433,6 +433,19 @@
return 0;
}
+static int ioctl_initiate_bus_reset(struct client *client, void __user *arg)
+{
+ struct fw_cdev_initiate_bus_reset request;
+ int short_reset;
+
+ if (copy_from_user(&request, arg, sizeof request))
+ return -EFAULT;
+
+ short_reset = (request.type == FW_CDEV_SHORT_RESET);
+
+ return fw_core_initiate_bus_reset(client->device->card, short_reset);
+}
+
static void
iso_callback(struct fw_iso_context *context, u32 cycle,
size_t header_length, void *header, void *data)
@@ -606,6 +619,8 @@
return ioctl_allocate(client, arg);
case FW_CDEV_IOC_SEND_RESPONSE:
return ioctl_send_response(client, arg);
+ case FW_CDEV_IOC_INITIATE_BUS_RESET:
+ return ioctl_initiate_bus_reset(client, arg);
case FW_CDEV_IOC_CREATE_ISO_CONTEXT:
return ioctl_create_iso_context(client, arg);
case FW_CDEV_IOC_QUEUE_ISO: