Changeset 3c594ff9 in mainline

Timestamp:

2014-01-25T19:20:06Z (10 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

23678f3

Parents:

49dc984

Message:

ehci: mark invalid pointers in TD with terminate flags

File:

• uspace/drv/bus/usb/ehci/hw_struct/transfer_descriptor.c (modified) (1 diff)

uspace/drv/bus/usb/ehci/hw_struct/transfer_descriptor.c

@@ -113 +113 @@
         }
 
-        EHCI_MEM32_WR(instance->next, LINK_POINTER_TD(addr_to_phys(next)));
+        EHCI_MEM32_WR(instance->next, next ?
+            LINK_POINTER_TD(addr_to_phys(next)) : LINK_POINTER_TERM);
 
+        EHCI_MEM32_WR(instance->alternate, LINK_POINTER_TERM);
         EHCI_MEM32_SET(instance->status, TD_STATUS_ACTIVE_FLAG);
 }