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path: root/drivers/usb/host/xhci.c
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Diffstat (limited to 'drivers/usb/host/xhci.c')
-rw-r--r--drivers/usb/host/xhci.c13
1 files changed, 9 insertions, 4 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 0ba6c1cc90b4..49a41c7890c8 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -3973,7 +3973,7 @@ int xhci_find_raw_port_number(struct usb_hcd *hcd, int port1)
__le32 __iomem *addr;
int raw_port;
- if (hcd->speed != HCD_USB3)
+ if (hcd->speed < HCD_USB3)
addr = xhci->usb2_ports[port1 - 1];
else
addr = xhci->usb3_ports[port1 - 1];
@@ -4124,7 +4124,7 @@ int xhci_set_usb2_hardware_lpm(struct usb_hcd *hcd,
int hird, exit_latency;
int ret;
- if (hcd->speed == HCD_USB3 || !xhci->hw_lpm_support ||
+ if (hcd->speed >= HCD_USB3 || !xhci->hw_lpm_support ||
!udev->lpm_capable)
return -EPERM;
@@ -4241,7 +4241,7 @@ int xhci_update_device(struct usb_hcd *hcd, struct usb_device *udev)
struct xhci_hcd *xhci = hcd_to_xhci(hcd);
int portnum = udev->portnum - 1;
- if (hcd->speed == HCD_USB3 || !xhci->sw_lpm_support ||
+ if (hcd->speed >= HCD_USB3 || !xhci->sw_lpm_support ||
!udev->lpm_capable)
return 0;
@@ -4841,8 +4841,9 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks)
/* XHCI controllers don't stop the ep queue on short packets :| */
hcd->self.no_stop_on_short = 1;
+ xhci = hcd_to_xhci(hcd);
+
if (usb_hcd_is_primary_hcd(hcd)) {
- xhci = hcd_to_xhci(hcd);
xhci->main_hcd = hcd;
/* Mark the first roothub as being USB 2.0.
* The xHCI driver will register the USB 3.0 roothub.
@@ -4856,6 +4857,10 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks)
*/
hcd->has_tt = 1;
} else {
+ if (xhci->sbrn == 0x31) {
+ xhci_info(xhci, "Host supports USB 3.1 Enhanced SuperSpeed\n");
+ hcd->speed = HCD_USB31;
+ }
/* xHCI private pointer was set in xhci_pci_probe for the second
* registered roothub.
*/