Changeset 881c47b in mainline for uspace/drv/uhci-hcd/uhci_struct/queue_head.h

Timestamp:

2011-02-04T14:45:42Z (14 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

dcef3669

Parents:

97e87de

Message:

New UHCI packet scheduler

queues are named for nicer debug output
slow_speed is set by iface functions

File:

• uspace/drv/uhci-hcd/uhci_struct/queue_head.h (modified) (1 diff)

uspace/drv/uhci-hcd/uhci_struct/queue_head.h

@@ -47 +47 @@
 } __attribute__((packed)) queue_head_t;
 
-static inline void queue_head_init(queue_head_t *instance, uint32_t next_queue_pa)
+static inline void queue_head_init(queue_head_t *instance)
 {
         assert(instance);
-        assert((next_queue_pa & LINK_POINTER_ADDRESS_MASK) == next_queue_pa);
 
         instance->element = 0 | LINK_POINTER_TERMINATE_FLAG;
+        instance->next_queue = 0 | LINK_POINTER_TERMINATE_FLAG;
+}
+
+static inline void queue_head_add_next(queue_head_t *instance, uint32_t next_queue_pa)
+{
         if (next_queue_pa) {
                 instance->next_queue = (next_queue_pa & LINK_POINTER_ADDRESS_MASK)
                   | LINK_POINTER_QUEUE_HEAD_FLAG;
-        } else {
-                instance->next_queue = 0 | LINK_POINTER_TERMINATE_FLAG;
         }
 }