Changeset ef8d655 in mainline

Timestamp:

2011-01-28T14:52:55Z (13 years ago)

Author:

Vojtech Horky <vojtechhorky@…>

Branches:

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

Children:

2b96463

Parents:

89beb08

Message:

More robust init of virtual root hub

The loop is necessary since this fibril could be executed before
the DRIVER_ADD_DEVICE returns to devman.

File:

• uspace/drv/vhc/hub.c (modified) (2 diffs)

uspace/drv/vhc/hub.c

@@ -63 +63 @@
             = fibril_create(hub_register_in_devman_fibril, hc_dev);
         if (root_hub_registration == 0) {
-                printf(NAME ": failed to register root hub\n");
+                printf(NAME ": failed to create hub registration fibril\n");
                 return;
         }
@@ -79 +79 @@
         device_t *hc_dev = (device_t *) arg;
 
-        int hc = usb_drv_hc_connect(hc_dev, hc_dev->handle, IPC_FLAG_BLOCKING);
-        if (hc < 0) {
-                printf(NAME ": failed to register root hub\n");
-                return hc;
-        }
+        int hc;
+        do {
+                hc = usb_drv_hc_connect(hc_dev, hc_dev->handle,
+                    IPC_FLAG_BLOCKING);
+        } while (hc < 0);
 
         usb_drv_reserve_default_address(hc);