Changeset 35c37fc in mainline for uspace/drv/bus/usb/ehci/endpoint_list.h

Timestamp:

2018-01-05T20:15:08Z (6 years ago)

Author:

Ondřej Hlavatý <aearsis@…>

Branches:

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

Children:

9e5b162

Parents:

b60944b

git-author:

Ondřej Hlavatý <aearsis@…> (2018-01-05 16:11:04)

git-committer:

Ondřej Hlavatý <aearsis@…> (2018-01-05 20:15:08)

Message:

ehci: refactor to dma_buffers

One big hidden thing was refactored - now TDs are allocated in one
buffer together with setup and data buffers themselves. This reduces the
number of allocated pages per transfer to minimum.

File:

• uspace/drv/bus/usb/ehci/endpoint_list.h (modified) (3 diffs)

uspace/drv/bus/usb/ehci/endpoint_list.h

@@ -38 +38 @@
 #include <assert.h>
 #include <fibril_synch.h>
-#include <usb/host/utils/malloc32.h>
 
 #include "ehci_bus.h"
@@ -49 +48 @@
         /** EHCI hw structure at the beginning of the queue */
         qh_t *list_head;
+        dma_buffer_t dma_buffer;
         /** Assigned name, provides nicer debug output */
         const char *name;
@@ -64 +64 @@
 {
         assert(instance);
-        free32(instance->list_head);
+        dma_buffer_free(&instance->dma_buffer);
         instance->list_head = NULL;
 }