Changeset 73e5b62 in mainline for uspace/drv/bus/usb/xhci/scratchpad.c

Timestamp:

2017-07-31T19:58:08Z (8 years ago)

Author:

Jaroslav Jindrak <dzejrou@…>

Branches:

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

Children:

7428b92

Parents:

c9bec1c

Message:

DCBAA now correctly holds physical addresses of the device contexts, a secondary array called dcbaa_virt was added that is used for deallocation.

File:

• uspace/drv/bus/usb/xhci/scratchpad.c (modified) (2 diffs)

uspace/drv/bus/usb/xhci/scratchpad.c

@@ -92 +92 @@
         bufs->phys_bck = (uint64_t) phys_array;
 
-        hc->dcbaa[0] = (xhci_device_ctx_t *) bufs->phys_ptr;
+        hc->dcbaa[0] = bufs->phys_ptr;
         hc->scratchpad = bufs;
 
@@ -131 +131 @@
         free32((void *) scratchpad->phys_bck);
 
-        hc->dcbaa[0] = NULL;
+        hc->dcbaa[0] = 0;
+        hc->dcbaa_virt[0] = NULL;
         return;
 }