Changeset 0918382f in mainline for uspace/drv/bus/usb/usbhub/port.h

Timestamp:

2013-08-07T15:00:36Z (11 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

14dd4c9

Parents:

2757247

Message:

usb: Switch to using port number as device identifier.

Port number info will be needed for HS SPLIT transactions. Moreover,
it can be used to produce predictable, persistent device names.

Switch port_number from size_t to unsigned. There are max 256 ports so
even short would be enough.

File:

• uspace/drv/bus/usb/usbhub/port.h (modified) (4 diffs)

uspace/drv/bus/usb/usbhub/port.h

@@ -44 +44 @@
 /** Information about single port on a hub. */
 typedef struct {
-        /* Port number as reported in descriptors. */
-        size_t port_number;
+        /** Port number as reported in descriptors. */
+        unsigned port_number;
         /** Device communication pipe. */
         usb_pipe_t *control_pipe;
@@ -58 +58 @@
         /** Whether to announce the port reset as successful. */
         bool reset_okay;
-
-        usb_device_handle_t attached_handle;
-
+        /** Device reported to USB bus driver */
+        bool device_attached;
 } usb_hub_port_t;
 
@@ -67 +66 @@
  * @param port Port to be initialized.
  */
-static inline void usb_hub_port_init(usb_hub_port_t *port, size_t port_number,
+static inline void usb_hub_port_init(usb_hub_port_t *port, unsigned port_number,
     usb_pipe_t *control_pipe)
 {
@@ -73 +72 @@
         port->port_number = port_number;
         port->control_pipe = control_pipe;
-        port->attached_handle = USB_DEVICE_HANDLE_INVALID;
+        port->reset_completed = false;
+        port->reset_okay = false;
+        port->device_attached = false;
         fibril_mutex_initialize(&port->mutex);
         fibril_condvar_initialize(&port->reset_cv);