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xhci: add xhci_port_reset 

Move port reset logic to its own function.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
This commit is contained in:
Gerd Hoffmann 2012-10-26 10:22:37 +02:00
parent f705a36280
commit 40030130d1
1 changed files with 9 additions and 4 deletions
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13
hw/usb/hcd-xhci.c
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@ -2387,6 +2387,13 @@ static void xhci_port_update(XHCIPort *port, int is_detach)
xhci_port_notify(port, PORTSC_CSC);
}
static void xhci_port_reset(XHCIPort *port)
{
DPRINTF("xhci: port %d reset\n", port);
usb_device_reset(port->uport->dev);
port->portsc |= PORTSC_PRC | PORTSC_PED;
}
static void xhci_reset(DeviceState *dev)
{
XHCIState *xhci = DO_UPCAST(XHCIState, pci_dev.qdev, dev);
@ -2549,13 +2556,11 @@ static void xhci_port_write(void *ptr, hwaddr reg,
/* read/write bits */
portsc &= ~(PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE);
portsc |= (val & (PORTSC_PP|PORTSC_WCE|PORTSC_WDE|PORTSC_WOE));
port->portsc = portsc;
/* write-1-to-start bits */
if (val & PORTSC_PR) {
DPRINTF("xhci: port %d reset\n", port);
usb_device_reset(port->uport->dev);
portsc |= PORTSC_PRC | PORTSC_PED;
xhci_port_reset(port);
}
port->portsc = portsc;
break;
case 0x04: /* PORTPMSC */
case 0x08: /* PORTLI */