Changeset 7267fa1 in mainline for uspace/lib/usbdev/src/hub.c

Timestamp:

2011-12-11T17:51:21Z (12 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

c0fdc0e

Parents:

023a902

Message:

libusbdev: new_device_wrapper uses provided hc connection.

File:

• uspace/lib/usbdev/src/hub.c (modified) (12 diffs)

uspace/lib/usbdev/src/hub.c

@@ -121 +121 @@
  * @return Error code.
  */
-static int usb_request_set_address(usb_pipe_t *pipe, usb_address_t new_address,
-    usb_hc_connection_t *hc_conn)
+static int usb_request_set_address(usb_pipe_t *pipe, usb_address_t new_address)
 {
         if ((new_address < 0) || (new_address >= USB11_ADDRESS_MAX)) {
@@ -128 +127 @@
         }
         assert(pipe);
-        assert(hc_conn);
         assert(pipe->wire != NULL);
 
@@ -146 +144 @@
                     "Failed to unregister the old pipe on address change.\n");
         }
+        /* Address changed. We can release the default, thus
+         * allowing other to access the default address. */
+        usb_hc_unregister_device(pipe->wire->hc_connection,
+            pipe->wire->address);
+
         /* The address is already changed so set it in the wire */
         pipe->wire->address = new_address;
@@ -196 +199 @@
  */
 int usb_hc_new_device_wrapper(ddf_dev_t *parent,
-    usb_hc_connection_t *connection, usb_speed_t dev_speed,
+    usb_hc_connection_t *hc_conn, usb_speed_t dev_speed,
     int (*enable_port)(void *arg), void *arg, usb_address_t *assigned_address,
     ddf_dev_ops_t *dev_ops, void *new_dev_data, ddf_fun_t **new_fun)
 {
-        if (new_fun == NULL || connection == NULL)
+        if (new_fun == NULL || hc_conn == NULL)
                 return EINVAL;
-
-        // TODO: Why not use provided connection?
-        usb_hc_connection_t hc_conn;
-        usb_hc_connection_initialize(&hc_conn, connection->hc_handle);
 
         int rc;
@@ -215 +214 @@
         }
 
-        rc = usb_hc_connection_open(&hc_conn);
+        /* We are gona do a lot of communication better open it in advance. */
+        rc = usb_hc_connection_open(hc_conn);
         if (rc != EOK) {
                 return rc;
         }
 
-        /*
-         * Request new address.
-         */
+        /* Request a new address. */
         usb_address_t dev_addr =
-            usb_hc_request_address(&hc_conn, 0, false, dev_speed);
+            usb_hc_request_address(hc_conn, 0, false, dev_speed);
         if (dev_addr < 0) {
                 rc = EADDRNOTAVAIL;
                 goto close_connection;
+        }
+
+        /* Initialize connection to device. */
+        usb_device_connection_t dev_conn;
+        rc = usb_device_connection_initialize_on_default_address(
+            &dev_conn, hc_conn);
+        if (rc != EOK) {
+                rc = ENOTCONN;
+                goto leave_release_free_address;
         }
 
@@ -236 +243 @@
          * (Someone else already wants to add a new device.)
          */
-        usb_device_connection_t dev_conn;
-        rc = usb_device_connection_initialize_on_default_address(&dev_conn,
-            &hc_conn);
-        if (rc != EOK) {
-                rc = ENOTCONN;
-                goto leave_release_free_address;
-        }
-
         usb_pipe_t ctrl_pipe;
         rc = usb_pipe_initialize_default_control(&ctrl_pipe, &dev_conn);
@@ -252 +251 @@
 
         do {
-                rc = usb_hc_request_address(&hc_conn, USB_ADDRESS_DEFAULT,
+                rc = usb_hc_request_address(hc_conn, USB_ADDRESS_DEFAULT,
                     true, dev_speed);
                 if (rc == ENOENT) {
@@ -306 +305 @@
         }
 
-        rc = usb_request_set_address(&ctrl_pipe, dev_addr, &hc_conn);
+        rc = usb_request_set_address(&ctrl_pipe, dev_addr);
         if (rc != EOK) {
                 rc = ESTALL;
@@ -312 +311 @@
         }
 
-        /* Address changed. We can release the default, thus
-         * allowing other to access the default address. */
-        usb_hc_unregister_device(&hc_conn, USB_ADDRESS_DEFAULT);
 
         /* Register the device with devman. */
@@ -332 +328 @@
 
         /* Inform the host controller about the handle. */
-        rc = usb_hc_register_device(&hc_conn, &new_device);
+        rc = usb_hc_register_device(hc_conn, &new_device);
         if (rc != EOK) {
                 /* We know nothing about that data. */
@@ -357 +353 @@
          */
 leave_release_default_address:
-        usb_hc_unregister_device(&hc_conn, USB_ADDRESS_DEFAULT);
+        usb_hc_unregister_device(hc_conn, USB_ADDRESS_DEFAULT);
 
 leave_release_free_address:
@@ -365 +361 @@
                     __FUNCTION__);
 
-        if (usb_hc_unregister_device(&hc_conn, dev_addr) != EOK)
+        if (usb_hc_unregister_device(hc_conn, dev_addr) != EOK)
                 usb_log_warning("%s: Failed to unregister device.\n",
                     __FUNCTION__);
 
 close_connection:
-        if (usb_hc_connection_close(&hc_conn) != EOK)
+        if (usb_hc_connection_close(hc_conn) != EOK)
                 usb_log_warning("%s: Failed to close hc connection.\n",
                     __FUNCTION__);