diff options
| author | Gerd Hoffmann <kraxel@redhat.com> | 2012-10-26 10:30:53 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2012-11-01 13:10:09 +0100 |
| commit | b62b08282d9539a109b02e217d0cc7f7dcdb87ac (patch) | |
| tree | 7d626369fbbc62afe30f383a4fca2dbfbb225c6d /hw | |
| parent | 40030130d167f2bf762155a1a7e0073de5545e8b (diff) | |
xhci: set pls in xhci_port_update & xhci_port_reset
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>
Diffstat (limited to 'hw')
| -rw-r--r-- | hw/usb/hcd-xhci.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c index 1db803cda9..84d1b26bbb 100644 --- a/hw/usb/hcd-xhci.c +++ b/hw/usb/hcd-xhci.c @@ -2365,33 +2365,55 @@ static void xhci_port_notify(XHCIPort *port, uint32_t bits) static void xhci_port_update(XHCIPort *port, int is_detach) { + uint32_t pls = PLS_RX_DETECT; + port->portsc = PORTSC_PP; if (!is_detach && xhci_port_have_device(port)) { port->portsc |= PORTSC_CCS; switch (port->uport->dev->speed) { case USB_SPEED_LOW: port->portsc |= PORTSC_SPEED_LOW; + pls = PLS_POLLING; break; case USB_SPEED_FULL: port->portsc |= PORTSC_SPEED_FULL; + pls = PLS_POLLING; break; case USB_SPEED_HIGH: port->portsc |= PORTSC_SPEED_HIGH; + pls = PLS_POLLING; break; case USB_SPEED_SUPER: port->portsc |= PORTSC_SPEED_SUPER; + port->portsc |= PORTSC_PED; + pls = PLS_U0; break; } } - + set_field(&port->portsc, pls, PORTSC_PLS); xhci_port_notify(port, PORTSC_CSC); } static void xhci_port_reset(XHCIPort *port) { DPRINTF("xhci: port %d reset\n", port); + if (!xhci_port_have_device(port)) { + return; + } + 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) |