Changeset fb8927d in mainline for uspace/drv/uhci-hcd/iface.c

Timestamp:

2011-04-06T19:30:39Z (13 years ago)

Author:

Jan Vesely <jano.vesely@…>

Branches:

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

Children:

1e70157

Parents:

88dd355

Message:

Only INT and ISO transfers require bandwidth reservation

add dead code for alternate default address reservation.

File:

• uspace/drv/uhci-hcd/iface.c (modified) (4 diffs)

uspace/drv/uhci-hcd/iface.c

@@ -55 +55 @@
         usb_device_keeper_reserve_default_address(&hc->manager, speed);
         return EOK;
+#if 0
+        endpoint_t *ep = malloc(sizeof(endpoint_t));
+        if (ep == NULL)
+                return ENOMEM;
+        const size_t max_packet_size = speed == USB_SPEED_LOW ? 8 : 64;
+        endpoint_init(ep, USB_TRANSFER_CONTROL, speed, max_packet_size);
+        int ret;
+try_retgister:
+        ret = usb_endpoint_manager_register_ep(&hc->ep_manager,
+            USB_ADDRESS_DEFAULT, 0, USB_DIRECTION_BOTH, ep, endpoint_destroy, 0);
+        if (ret == EEXISTS) {
+                async_usleep(1000);
+                goto try_retgister;
+        }
+        if (ret != EOK) {
+                endpoint_destroy(ep);
+        }
+        return ret;
+#endif
 }
 /*----------------------------------------------------------------------------*/
@@ -68 +87 @@
         assert(hc);
         usb_log_debug("Default address release.\n");
+//      return usb_endpoint_manager_unregister_ep(&hc->ep_manager,
+//          USB_ADDRESS_DEFAULT, 0, USB_DIRECTION_BOTH);
         usb_device_keeper_release_default_address(&hc->manager);
         return EOK;
@@ -149 +170 @@
             usb_str_speed(speed), direction, size, max_packet_size, interval);
 
-        const size_t bw = bandwidth_count_usb11(speed, transfer_type, size,
-            max_packet_size);
+        const size_t bw =
+            (transfer_type == USB_TRANSFER_INTERRUPT
+            || transfer_type == USB_TRANSFER_ISOCHRONOUS) ?
+            bandwidth_count_usb11(speed, transfer_type, size, max_packet_size) :
+            0;
+
         int ret = usb_endpoint_manager_register_ep(&hc->ep_manager,
             address, endpoint, direction, ep, endpoint_destroy, bw);
@@ -156 +181 @@
                 endpoint_destroy(ep);
         }
-
         return ret;
 }