Changes in uspace/drv/bus/usb/usbhub/usbhub.c [cae002c:54d1ad9] in mainline

File:

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

uspace/drv/bus/usb/usbhub/usbhub.c

@@ -170 +170 @@
 int usb_hub_device_remove(usb_device_t *usb_dev)
 {
+        assert(usb_dev);
+        usb_hub_dev_t *hub_dev = usb_dev->driver_data;
+        assert(hub_dev);
+        //TODO: Cascade the call here.
+        //TODO: Enable after cascading is implemented.
         return ENOTSUP;
+        if (!hub_dev->power_switched) {
+                /* That is all we can do. */
+                return EOK;
+        }
+        int ret = EOK;
+        usb_log_info("Hub is about to be removed, powering down all ports.\n");
+        for (size_t port = 0; port < hub_dev->port_count; ++port) {
+                usb_log_debug("Powering down port %zu.\n", port);
+                int pret = usb_hub_port_clear_feature(
+                    &hub_dev->ports[port], USB_HUB_FEATURE_PORT_POWER);
+                if (pret != EOK) {
+                        usb_log_error("Cannot power down port %zu: %s.\n",
+                            hub_dev->ports[port].port_number, str_error(pret));
+                        ret = pret;
+                } else {
+                        if (!hub_dev->per_port_power) {
+                                usb_log_debug("Ganged power switching mode, "
+                                   "one port is enough.\n");
+                                break;
+                        }
+                }
+        }
+        return ret;
 }
 /*----------------------------------------------------------------------------*/