Changeset 21885c92 in mainline for uspace/drv/bus/usb

Timestamp:

2018-01-20T18:27:53Z (8 years ago)

Author:

Ondřej Hlavatý <aearsis@…>

Branches:

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

Children:

24fcb8b

Parents:

2aaba7e

Message:

usbhost: handle superspeed hubs

File:

• uspace/drv/bus/usb/xhci/device.c (modified) (1 diff)

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

@@ -153 +153 @@
         dev->is_hub = 1;
         dev->num_ports = hub_desc.port_count;
-        dev->tt_think_time = 8 +
-                8  * !!(hub_desc.characteristics & HUB_CHAR_TT_THINK_8) +
-                16 * !!(hub_desc.characteristics & HUB_CHAR_TT_THINK_16);
+
+        if (dev->base.speed == USB_SPEED_HIGH) {
+                dev->tt_think_time = 8 +
+                        8  * !!(hub_desc.characteristics & HUB_CHAR_TT_THINK_8) +
+                        16 * !!(hub_desc.characteristics & HUB_CHAR_TT_THINK_16);
+        }
 
         usb_log_debug2("Device(%u): recognised USB hub with %u ports", dev->base.address, dev->num_ports);