Changeset 98fb010 in mainline for uspace/drv/bus/usb/ohci/hw_struct/hcca.h

Timestamp:

2011-10-16T19:33:47Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

1f131fb9

Parents:

721d4b6e (diff), f8dfb40 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge OHCI related changes and improvements.

Rework some routines and use asserts to verify that the device follows OHCI specs.
Add explanatory comments.

File:

• uspace/drv/bus/usb/ohci/hw_struct/hcca.h (modified) (2 diffs)

uspace/drv/bus/usb/ohci/hw_struct/hcca.h

@@ -36 +36 @@
 
 #include <stdint.h>
+#include <malloc.h>
 
 /** Host controller communication area.
@@ -48 +49 @@
 } __attribute__((packed, aligned)) hcca_t;
 
+static inline void * hcca_get(void)
+{
+        assert(sizeof(hcca_t) == 256);
+        return memalign(256, sizeof(hcca_t));
+}
 #endif
 /**