diff options
Diffstat (limited to 'drivers/usb/host/xhci-hub.c')
| -rw-r--r-- | drivers/usb/host/xhci-hub.c | 49 |
1 files changed, 21 insertions, 28 deletions
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 4a3ca99fc64..e3ddc6a95af 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -483,7 +483,8 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, && (temp & PORT_POWER) && (bus_state->suspended_ports & (1 << wIndex))) { bus_state->suspended_ports &= ~(1 << wIndex); - bus_state->port_c_suspend |= 1 << wIndex; + if (hcd->speed != HCD_USB3) + bus_state->port_c_suspend |= 1 << wIndex; } if (temp & PORT_CONNECT) { status |= USB_PORT_STAT_CONNECTION; @@ -656,35 +657,27 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, if (temp & XDEV_U3) { if ((temp & PORT_PE) == 0) goto error; - if (DEV_SUPERSPEED(temp)) { - temp = xhci_port_state_to_neutral(temp); - temp &= ~PORT_PLS_MASK; - temp |= PORT_LINK_STROBE | XDEV_U0; - xhci_writel(xhci, temp, - port_array[wIndex]); - xhci_readl(xhci, port_array[wIndex]); - } else { - temp = xhci_port_state_to_neutral(temp); - temp &= ~PORT_PLS_MASK; - temp |= PORT_LINK_STROBE | XDEV_RESUME; - xhci_writel(xhci, temp, - port_array[wIndex]); - spin_unlock_irqrestore(&xhci->lock, - flags); - msleep(20); - spin_lock_irqsave(&xhci->lock, flags); + temp = xhci_port_state_to_neutral(temp); + temp &= ~PORT_PLS_MASK; + temp |= PORT_LINK_STROBE | XDEV_RESUME; + xhci_writel(xhci, temp, + port_array[wIndex]); - temp = xhci_readl(xhci, - port_array[wIndex]); - temp = xhci_port_state_to_neutral(temp); - temp &= ~PORT_PLS_MASK; - temp |= PORT_LINK_STROBE | XDEV_U0; - xhci_writel(xhci, temp, - port_array[wIndex]); - } - bus_state->port_c_suspend |= 1 << wIndex; + spin_unlock_irqrestore(&xhci->lock, + flags); + msleep(20); + spin_lock_irqsave(&xhci->lock, flags); + + temp = xhci_readl(xhci, + port_array[wIndex]); + temp = xhci_port_state_to_neutral(temp); + temp &= ~PORT_PLS_MASK; + temp |= PORT_LINK_STROBE | XDEV_U0; + xhci_writel(xhci, temp, + port_array[wIndex]); } + bus_state->port_c_suspend |= 1 << wIndex; slot_id = xhci_find_slot_id_by_port(hcd, xhci, wIndex + 1); @@ -755,7 +748,7 @@ int xhci_hub_status_data(struct usb_hcd *hcd, char *buf) memset(buf, 0, retval); status = 0; - mask = PORT_CSC | PORT_PEC | PORT_OCC; + mask = PORT_CSC | PORT_PEC | PORT_OCC | PORT_PLC; spin_lock_irqsave(&xhci->lock, flags); /* For each port, did anything change? If so, set that bit in buf. */ |