Changeset f45c78f in mainline

Timestamp:

2017-10-21T14:19:22Z (7 years ago)

Author:

Petr Manek <petr.manek@…>

Branches:

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

Children:

74b852b

Parents:

f270ecb

Message:

Added boilerplate for device detach.

File:

• uspace/drv/bus/usb/xhci/rh.c (modified) (2 diffs)

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

@@ -276 +276 @@
 }
 
+/** Deal with a detached device.
+ */
+static int handle_disconnected_device(xhci_rh_t *rh, uint8_t port_id)
+{
+        // TODO: Find XHCI device by the port.
+        // TODO: Destroy DDF function using _gone.
+        // TODO: Remove device endpoints on the bus.
+        // TODO: Free device context.
+        // TODO: Free TRB rings.
+        // TODO: Figure out what was forgotten and free that as well.
+
+        return EOK;
+}
+
 /** Handle an incoming Port Change Detected Event.
  */
@@ -308 +322 @@
 
                         bool connected = XHCI_REG_RD(regs, XHCI_PORT_CCS);
-                        if (connected)
+                        if (connected) {
                                 handle_connected_device(rh, i);
+                        } else {
+                                handle_disconnected_device(rh, i);
+                        }
                 }