Changeset 682c9354 in mainline for uspace/drv/bus/usb/xhci/transfers.c

Timestamp:

2018-01-20T15:32:12Z (7 years ago)

Author:

Ondřej Hlavatý <aearsis@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

abb5d08

Parents:

129b821f

Message:

xhci: move all real functionality from bus to device/endpoint/transfers

File:

• uspace/drv/bus/usb/xhci/transfers.c (modified) (1 diff)

uspace/drv/bus/usb/xhci/transfers.c

@@ -416 +416 @@
 };
 
-int xhci_transfer_schedule(xhci_hc_t *hc, usb_transfer_batch_t *batch)
-{
-        assert(hc);
+/**
+ * Schedule a batch for xHC.
+ *
+ * Bus callback.
+ */
+int xhci_transfer_schedule(usb_transfer_batch_t *batch)
+{
         endpoint_t *ep = batch->ep;
 
+        xhci_hc_t *hc = bus_to_hc(endpoint_get_bus(batch->ep));
         xhci_transfer_t *transfer = xhci_transfer_from_batch(batch);
         xhci_endpoint_t *xhci_ep = xhci_endpoint_get(ep);
         xhci_device_t *xhci_dev = xhci_ep_to_dev(xhci_ep);
+
+        if (!batch->target.address) {
+                usb_log_error("Attempted to schedule transfer to address 0.");
+                return EINVAL;
+        }
 
         // FIXME: find a better way to check if the ring is not initialized