Changeset a0be5d0 in mainline for uspace/drv/bus/usb/xhci/hc.c

Timestamp:

2017-10-09T14:11:22Z (7 years ago)

Author:

Michal Staruch <salmelu@…>

Branches:

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

Children:

42bc933

Parents:

ae03552e

Message:

Moved ring_doorbell, added address check

File:

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

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

@@ -457 +457 @@
                 batch->buffer_size);
 
+        if (!batch->ep->address) {
+                usb_log_error("Attempted to schedule transfer to address 0.");
+                return EINVAL;
+        }
+
         switch (batch->ep->transfer_type) {
         case USB_TRANSFER_CONTROL:
@@ -616 +621 @@
 }
 
-
+int hc_ring_doorbell(xhci_hc_t *hc, unsigned doorbell, unsigned target)
+{
+        assert(hc);
+        uint32_t v = host2xhci(32, target & BIT_RRANGE(uint32_t, 7));
+        pio_write_32(&hc->db_arry[doorbell], v);
+        return EOK;
+}
 
 /**