Changeset 3538b0e in mainline

Timestamp:

2011-12-12T13:28:51Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

30ec5ea

Parents:

c804484

Message:

libusbdev: Cleanup.

Location:

uspace/lib/usbdev

Files:

• include/usb/dev/usb_device_connection.h (modified) (2 diffs)
• src/hub.c (modified) (5 diffs)
• src/pipes.c (modified) (1 diff)
• src/pipesinit.c (modified) (1 diff)

uspace/lib/usbdev/include/usb/dev/usb_device_connection.h

@@ -57 +57 @@
 {
         assert(connection);
-
-        if (hc_connection == NULL) {
+        if (hc_connection == NULL)
                 return EBADMEM;
-        }
-
-        if ((address < 0) || (address >= USB11_ADDRESS_MAX)) {
+        if ((address < 0) || (address >= USB11_ADDRESS_MAX))
                 return EINVAL;
-        }
 
         connection->hc_connection = hc_connection;
@@ -70 +66 @@
         return EOK;
 }
-/*----------------------------------------------------------------------------*/
-/** Initialize connection to USB device on default address.
- *
- * @param dev_connection Device connection structure to be initialized.
- * @param hc_connection Initialized connection to host controller.
- * @return Error code.
- */
-static inline int usb_device_connection_initialize_on_default_address(
-    usb_device_connection_t *connection, usb_hc_connection_t *hc_conn)
-{
-        return usb_device_connection_initialize(connection, hc_conn, 0);
-}
-
 /*----------------------------------------------------------------------------*/
 static inline int usb_device_register_endpoint(usb_device_connection_t *conn,

uspace/lib/usbdev/src/hub.c

@@ -230 +230 @@
         /* Initialize connection to device. */
         usb_device_connection_t dev_conn;
-        rc = usb_device_connection_initialize_on_default_address(
-            &dev_conn, hc_conn);
+        rc = usb_device_connection_initialize(
+            &dev_conn, hc_conn, USB_ADDRESS_DEFAULT);
         if (rc != EOK) {
                 rc = ENOTCONN;
@@ -237 +237 @@
         }
 
+        /* Initialize control pipe on default address. Don't register yet. */
+        usb_pipe_t ctrl_pipe;
+        rc = usb_pipe_initialize_default_control(&ctrl_pipe, &dev_conn);
+        if (rc != EOK) {
+                rc = ENOTCONN;
+                goto leave_release_free_address;
+        }
+
         /*
-         * We will not register control pipe on default address.
-         * The registration might fail. That means that someone else already
-         * registered that endpoint. We will simply wait and try again.
+         * The default address request might fail.
+         * That means that someone else is already using that address.
+         * We will simply wait and try again.
          * (Someone else already wants to add a new device.)
          */
-        usb_pipe_t ctrl_pipe;
-        rc = usb_pipe_initialize_default_control(&ctrl_pipe, &dev_conn);
-        if (rc != EOK) {
-                rc = ENOTCONN;
-                goto leave_release_free_address;
-        }
-
         do {
                 rc = usb_hc_request_address(hc_conn, USB_ADDRESS_DEFAULT,
@@ -262 +263 @@
         }
 
-        /* Register control pipe on default address. */
+        /* Register control pipe on default address. 0 means no interval. */
         rc = usb_pipe_register(&ctrl_pipe, 0);
         if (rc != EOK) {
@@ -270 +271 @@
 
         struct timeval end_time;
-
         rc = gettimeofday(&end_time, NULL);
         if (rc != EOK) {
@@ -353 +353 @@
          */
 leave_release_default_address:
-        usb_hc_unregister_device(hc_conn, USB_ADDRESS_DEFAULT);
+        if (usb_hc_unregister_device(hc_conn, USB_ADDRESS_DEFAULT) != EOK)
+                usb_log_warning("%s: Failed to unregister defaut device.\n",
+                    __FUNCTION__);
 
 leave_release_free_address:

uspace/lib/usbdev/src/pipes.c

@@ -31 +31 @@
  */
 /** @file
- * USB endpoint pipes miscellaneous functions.
+ * USB endpoint pipes functions.
  */
 #include <usb/dev/pipes.h>

uspace/lib/usbdev/src/pipesinit.c

@@ -31 +31 @@
  */
 /** @file
- * Initialization of endpoint pipes.
+ * Non trivial initialization of endpoint pipes.
  *
  */