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xhci: Make sure xhci handles USB_SPEED_SUPER_PLUS devices.

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In most cases the devices with the speed set to USB_SPEED_SUPER_PLUS
are handled like regular SuperSpeed devices.

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mathias Nyman
2016-01-25 15:30:44 +02:00
committed by Greg Kroah-Hartman
parent 8df0d77d8c
commit 0caf6b3345
3 changed files with 13 additions and 6 deletions
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9
drivers/usb/host/xhci-mem.c
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@@ -1070,7 +1070,7 @@ static u32 xhci_find_real_port_number(struct xhci_hcd *xhci,
struct usb_device *top_dev;
struct usb_hcd *hcd;
if (udev->speed == USB_SPEED_SUPER)
if (udev->speed >= USB_SPEED_SUPER)
hcd = xhci->shared_hcd;
else
hcd = xhci->main_hcd;
@@ -1105,6 +1105,7 @@ int xhci_setup_addressable_virt_dev(struct xhci_hcd *xhci, struct usb_device *ud
/* 3) Only the control endpoint is valid - one endpoint context */
slot_ctx->dev_info |= cpu_to_le32(LAST_CTX(1) | udev->route);
switch (udev->speed) {
case USB_SPEED_SUPER_PLUS:
case USB_SPEED_SUPER:
slot_ctx->dev_info |= cpu_to_le32(SLOT_SPEED_SS);
max_packets = MAX_PACKET(512);
@@ -1292,6 +1293,7 @@ static unsigned int xhci_get_endpoint_interval(struct usb_device *udev,
}
/* Fall through - SS and HS isoc/int have same decoding */
case USB_SPEED_SUPER_PLUS:
case USB_SPEED_SUPER:
if (usb_endpoint_xfer_int(&ep->desc) ||
usb_endpoint_xfer_isoc(&ep->desc)) {
@@ -1332,7 +1334,7 @@ static unsigned int xhci_get_endpoint_interval(struct usb_device *udev,
static u32 xhci_get_endpoint_mult(struct usb_device *udev,
struct usb_host_endpoint *ep)
{
if (udev->speed != USB_SPEED_SUPER ||
if (udev->speed < USB_SPEED_SUPER ||
!usb_endpoint_xfer_isoc(&ep->desc))
return 0;
return ep->ss_ep_comp.bmAttributes;
@@ -1382,7 +1384,7 @@ static u32 xhci_get_max_esit_payload(struct usb_device *udev,
usb_endpoint_xfer_bulk(&ep->desc))
return 0;
if (udev->speed == USB_SPEED_SUPER)
if (udev->speed >= USB_SPEED_SUPER)
return le16_to_cpu(ep->ss_ep_comp.wBytesPerInterval);
max_packet = GET_MAX_PACKET(usb_endpoint_maxp(&ep->desc));
@@ -1453,6 +1455,7 @@ int xhci_endpoint_init(struct xhci_hcd *xhci,
max_packet = GET_MAX_PACKET(usb_endpoint_maxp(&ep->desc));
max_burst = 0;
switch (udev->speed) {
case USB_SPEED_SUPER_PLUS:
case USB_SPEED_SUPER:
/* dig out max burst from ep companion desc */
max_burst = ep->ss_ep_comp.bMaxBurst;