Changeset decfc8d1 in mainline for uspace/drv/bus/usb/xhci/rh.c

Timestamp:

2017-08-20T18:52:03Z (7 years ago)

Author:

Jaroslav Jindrak <dzejrou@…>

Branches:

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

Children:

3d8a3bd

Parents:

8b415cc

Message:

Dcbaa_virt now contains the virtual device contexts instead of just containing pointers to them, this eases its use a lot while wasting a negligale amount of memory.

File:

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

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

@@ -126 +126 @@
 
         hc->dcbaa[slot_id] = addr_to_phys(dctx);
-        hc->dcbaa_virt[slot_id]->dev_ctx = dctx;
+
+        memset(&hc->dcbaa_virt[slot_id], 0, sizeof(xhci_virt_device_ctx_t));
+        hc->dcbaa_virt[slot_id].dev_ctx = dctx;
 
         cmd = xhci_alloc_command();
@@ -145 +147 @@
                 free32(dctx);
                 hc->dcbaa[slot_id] = 0;
-                hc->dcbaa_virt[slot_id] = NULL;
+                memset(&hc->dcbaa_virt[slot_id], 0, sizeof(xhci_virt_device_ctx_t));
         }
 err_ring: