Changeset 4192d3d6 in mainline for uspace/drv/uhci-hcd/uhci_struct/transfer_descriptor.c

Timestamp:

2011-02-07T11:20:22Z (15 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

da17cf0

Parents:

4d73d71

Message:

Add new tracking mechanism for complex transfers

File:

• uspace/drv/uhci-hcd/uhci_struct/transfer_descriptor.c (modified) (3 diffs)

uspace/drv/uhci-hcd/uhci_struct/transfer_descriptor.c

@@ -32 +32 @@
  * @brief UHCI driver
  */
+#include <errno.h>
 #include <usb/debug.h>
 
@@ -44 +45 @@
         instance->next =
           0 | LINK_POINTER_TERMINATE_FLAG;
-
 
         assert(size < 1024);
@@ -110 +110 @@
         return USB_OUTCOME_OK;
 }
-
+/*----------------------------------------------------------------------------*/
+int transfer_descriptor_status(transfer_descriptor_t *instance)
+{
+        assert(instance);
+        if (convert_outcome(instance->status))
+                return EINVAL; //TODO: use sane error value here
+        return EOK;
+}
+/*----------------------------------------------------------------------------*/
 void transfer_descriptor_fini(transfer_descriptor_t *instance)
 {