From 20d183b6f0e14424d245493e7bc6fd6d14a08436 Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Wed, 23 Nov 2011 13:31:08 +0100 Subject: [PATCH] usb-hub: implement reset based on a patch from hkran@linux.vnet.ibm.com Signed-off-by: Gerd Hoffmann --- hw/usb-hub.c | 20 +++++++++++++++++--- 1 file changed, 17 insertions(+), 3 deletions(-) diff --git a/hw/usb-hub.c b/hw/usb-hub.c index 5b48763317..e1959372e7 100644 --- a/hw/usb-hub.c +++ b/hw/usb-hub.c @@ -222,7 +222,22 @@ static void usb_hub_complete(USBPort *port, USBPacket *packet) static void usb_hub_handle_reset(USBDevice *dev) { - /* XXX: do it */ + USBHubState *s = DO_UPCAST(USBHubState, dev, dev); + USBHubPort *port; + int i; + + for (i = 0; i < NUM_PORTS; i++) { + port = s->ports + i; + port->wPortStatus = PORT_STAT_POWER; + port->wPortChange = 0; + if (port->port.dev && port->port.dev->attached) { + port->wPortStatus |= PORT_STAT_CONNECTION; + port->wPortChange |= PORT_STAT_C_CONNECTION; + if (port->port.dev->speed == USB_SPEED_LOW) { + port->wPortStatus |= PORT_STAT_LOW_SPEED; + } + } + } } static int usb_hub_handle_control(USBDevice *dev, USBPacket *p, @@ -497,9 +512,8 @@ static int usb_hub_initfn(USBDevice *dev) &port->port, s, i, &usb_hub_port_ops, USB_SPEED_MASK_LOW | USB_SPEED_MASK_FULL); usb_port_location(&port->port, dev->port, i+1); - port->wPortStatus = PORT_STAT_POWER; - port->wPortChange = 0; } + usb_hub_handle_reset(dev); return 0; }