Changeset b854e56 in mainline for uspace/drv/ohci/batch.c

Timestamp:

2011-04-08T22:25:32Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

e42dd32

Parents:

7786cea

Message:

Implement TD initialization

File:

• uspace/drv/ohci/batch.c (modified) (2 diffs)

uspace/drv/ohci/batch.c

@@ -43 +43 @@
 #include "hw_struct/transfer_descriptor.h"
 
-#define OHCI_MAX_TRANSFER (8 * 1024) /* OHCI TDs can handle up to 8KB buffers */
-
 typedef struct ohci_batch {
         ed_t *ed;
@@ -85 +83 @@
 
         /* we needs + 1 transfer descriptor as the last one won't be executed */
-        data->td_count =
-            1 + ((buffer_size + OHCI_MAX_TRANSFER - 1) / OHCI_MAX_TRANSFER);
+        data->td_count = 1 +
+            ((buffer_size + OHCI_TD_MAX_TRANSFER - 1) / OHCI_TD_MAX_TRANSFER);
         if (ep->transfer_type == USB_TRANSFER_CONTROL) {
                 data->td_count += 2;