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

Timestamp:

2018-01-05T20:15:08Z (8 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/hw_struct/queue_head.h (modified) (1 diff)

uspace/drv/bus/usb/ehci/hw_struct/queue_head.h

@@ -193 +193 @@
 }
 
-static inline void qh_set_next_td(qh_t *qh, td_t *td)
+static inline void qh_set_next_td(qh_t *qh, uintptr_t td)
 {
         assert(qh);
         assert(td);
-        EHCI_MEM32_WR(qh->next, LINK_POINTER_TD(addr_to_phys(td)));
+        EHCI_MEM32_WR(qh->next, LINK_POINTER_TD(td));
 }