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xhci: set pls in xhci_port_update & xhci_port_reset

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Set the port link state to the correct values in xhci_port_update and
xhci_port_reset functions.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-10-26 10:30:53 +02:00
parent 40030130d1
commit b62b08282d
1 changed files with 24 additions and 2 deletions
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26
hw/usb/hcd-xhci.c
View file

@ -2365,33 +2365,55 @@ static void xhci_port_notify(XHCIPort *port, uint32_t bits)
static void xhci_port_update(XHCIPort *port, int is_detach) static void xhci_port_update(XHCIPort *port, int is_detach)
{ {
uint32_t pls = PLS_RX_DETECT;
port->portsc = PORTSC_PP; port->portsc = PORTSC_PP;
if (!is_detach && xhci_port_have_device(port)) { if (!is_detach && xhci_port_have_device(port)) {
port->portsc |= PORTSC_CCS; port->portsc |= PORTSC_CCS;
switch (port->uport->dev->speed) { switch (port->uport->dev->speed) {
case USB_SPEED_LOW: case USB_SPEED_LOW:
port->portsc |= PORTSC_SPEED_LOW; port->portsc |= PORTSC_SPEED_LOW;
pls = PLS_POLLING;
break; break;
case USB_SPEED_FULL: case USB_SPEED_FULL:
port->portsc |= PORTSC_SPEED_FULL; port->portsc |= PORTSC_SPEED_FULL;
pls = PLS_POLLING;
break; break;
case USB_SPEED_HIGH: case USB_SPEED_HIGH:
port->portsc |= PORTSC_SPEED_HIGH; port->portsc |= PORTSC_SPEED_HIGH;
pls = PLS_POLLING;
break; break;
case USB_SPEED_SUPER: case USB_SPEED_SUPER:
port->portsc |= PORTSC_SPEED_SUPER; port->portsc |= PORTSC_SPEED_SUPER;
port->portsc |= PORTSC_PED;
pls = PLS_U0;
break; break;
} }
} }
set_field(&port->portsc, pls, PORTSC_PLS);
xhci_port_notify(port, PORTSC_CSC); xhci_port_notify(port, PORTSC_CSC);
} }
static void xhci_port_reset(XHCIPort *port) static void xhci_port_reset(XHCIPort *port)
{ {
DPRINTF("xhci: port %d reset\n", port); DPRINTF("xhci: port %d reset\n", port);
if (!xhci_port_have_device(port)) {
return;
}
usb_device_reset(port->uport->dev); usb_device_reset(port->uport->dev);
port->portsc |= PORTSC_PRC | PORTSC_PED;
switch (port->uport->dev->speed) {
case USB_SPEED_LOW:
case USB_SPEED_FULL:
case USB_SPEED_HIGH:
set_field(&port->portsc, PLS_U0, PORTSC_PLS);
port->portsc |= PORTSC_PED;
break;
}
port->portsc &= ~PORTSC_PR;
xhci_port_notify(port, PORTSC_PRC);
} }
static void xhci_reset(DeviceState *dev) static void xhci_reset(DeviceState *dev)