diff options
Diffstat (limited to 'drivers/usb/host/xhci.c')
| -rw-r--r-- | drivers/usb/host/xhci.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 255f93f741a0..cdccbdfb479e 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -893,7 +893,7 @@ static void xhci_disable_port_wake_on_bits(struct xhci_hcd *xhci) struct xhci_port **ports; int port_index; unsigned long flags; - u32 t1, t2; + u32 t1, t2, portsc; spin_lock_irqsave(&xhci->lock, flags); @@ -902,10 +902,15 @@ static void xhci_disable_port_wake_on_bits(struct xhci_hcd *xhci) ports = xhci->usb3_rhub.ports; while (port_index--) { t1 = readl(ports[port_index]->addr); + portsc = t1; t1 = xhci_port_state_to_neutral(t1); t2 = t1 & ~PORT_WAKE_BITS; - if (t1 != t2) + if (t1 != t2) { writel(t2, ports[port_index]->addr); + xhci_dbg(xhci, "disable wake bits port %d-%d, portsc: 0x%x, write: 0x%x\n", + xhci->usb3_rhub.hcd->self.busnum, + port_index + 1, portsc, t2); + } } /* disable usb2 ports Wake bits */ @@ -913,12 +918,16 @@ static void xhci_disable_port_wake_on_bits(struct xhci_hcd *xhci) ports = xhci->usb2_rhub.ports; while (port_index--) { t1 = readl(ports[port_index]->addr); + portsc = t1; t1 = xhci_port_state_to_neutral(t1); t2 = t1 & ~PORT_WAKE_BITS; - if (t1 != t2) + if (t1 != t2) { writel(t2, ports[port_index]->addr); + xhci_dbg(xhci, "disable wake bits port %d-%d, portsc: 0x%x, write: 0x%x\n", + xhci->usb2_rhub.hcd->self.busnum, + port_index + 1, portsc, t2); + } } - spin_unlock_irqrestore(&xhci->lock, flags); } |