Changeset f0e25e8 in mainline for uspace/drv/uhci/root_hub/port.c

Timestamp:

2011-01-28T23:13:28Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

096a1ff, e68de30

Parents:

3da5eb9

Message:

Fixed: reset port after detecting a new device

File:

• uspace/drv/uhci/root_hub/port.c (modified) (1 diff)

uspace/drv/uhci/root_hub/port.c

@@ -36 +36 @@
                 if (port_status & STATUS_CONNECTED_CHANGED) {
                         if (port_status & STATUS_CONNECTED) {
+                                /* new device */
+                                port_status |= STATUS_IN_RESET;
+                                port_status_write(port_instance->address, port_status);
+                                async_usleep(1000);
+                                port_status =
+                                        port_status_read(port_instance->address);
+                                port_status &= ~STATUS_IN_RESET;
+                                port_status_write(port_instance->address, port_status);
                                 uhci_port_new_device(port_instance);
                         } else {