Changeset d93b3e3 in mainline for uspace/lib/usb/include/usb/host/device_keeper.h

Timestamp:

2011-03-25T17:02:08Z (14 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

1585c7e

Parents:

30718cc2

Message:

Add lock for control transfers (hc can't guarantee their atomicity)

Use one wait condition for multiple waits (rename)

File:

• uspace/lib/usb/include/usb/host/device_keeper.h (modified) (3 diffs)

uspace/lib/usb/include/usb/host/device_keeper.h

@@ -51 +51 @@
         usb_speed_t speed;
         bool occupied;
+        bool control_used;
         uint16_t toggle_status[2];
         devman_handle_t handle;
@@ -61 +62 @@
         struct usb_device_info devices[USB_ADDRESS_COUNT];
         fibril_mutex_t guard;
-        fibril_condvar_t default_address_occupied;
+        fibril_condvar_t change;
         usb_address_t last_address;
 } usb_device_keeper_t;
@@ -97 +98 @@
     usb_address_t address);
 
+void usb_device_keeper_use_control(usb_device_keeper_t *instance,
+    usb_address_t address);
+
+void usb_device_keeper_release_control(usb_device_keeper_t *instance,
+    usb_address_t address);
+
 #endif
 /**