diff options
| author | Gerd Hoffmann <kraxel@redhat.com> | 2012-10-26 10:22:37 +0200 |
|---|---|---|
| committer | Gerd Hoffmann <kraxel@redhat.com> | 2012-11-01 13:10:09 +0100 |
| commit | 40030130d167f2bf762155a1a7e0073de5545e8b (patch) | |
| tree | f9549d87a77cc591ce48ccc6fdc24b6696273dc3 /hw/usb/hcd-xhci.c | |
| parent | f705a362800733c363f0458f75942f8dc61b7abb (diff) | |
| download | qemu-40030130d167f2bf762155a1a7e0073de5545e8b.tar.gz | |
xhci: add xhci_port_reset
Move port reset logic to its own function.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Diffstat (limited to 'hw/usb/hcd-xhci.c')
| -rw-r--r-- | hw/usb/hcd-xhci.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/hw/usb/hcd-xhci.c b/hw/usb/hcd-xhci.c index 3af463986d..1db803cda9 100644 --- a/hw/usb/hcd-xhci.c +++ b/hw/usb/hcd-xhci.c @@ -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 */ |