xhci: Make sure xhci handles USB_SPEED_SUPER_PLUS devices.

commit 0caf6b33452112e5a1186c8c964e90310e49e6bd upstream.

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>

3 files changed, 13 insertions, 6 deletions

diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index d8dbd7e5194b..8ea2c05beca2 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -1072,7 +1072,7 @@ 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;
@@ -1107,6 +1107,7 @@ 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);
@@ -1294,6 +1295,7 @@ 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)) {
@@ -1334,7 +1336,7 @@ 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;
@@ -1384,7 +1386,7 @@ 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));
@@ -1455,6 +1457,7 @@ 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;
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index bc4f16c8d11b..1f37b89e7267 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -3576,7 +3576,7 @@ static unsigned int xhci_get_burst_count(struct xhci_hcd *xhci,
 {
 	unsigned int max_burst;
 
-	if (xhci->hci_version < 0x100 || udev->speed != USB_SPEED_SUPER)
+	if (xhci->hci_version < 0x100 || udev->speed < USB_SPEED_SUPER)
 		return 0;
 
 	max_burst = urb->ep->ss_ep_comp.bMaxBurst;
@@ -3602,6 +3602,7 @@ static unsigned int xhci_get_last_burst_packet_count(struct xhci_hcd *xhci,
 		return 0;
 
 	switch (udev->speed) {
+	case USB_SPEED_SUPER_PLUS:
 	case USB_SPEED_SUPER:
 		/* bMaxBurst is zero based: 0 means 1 packet per burst */
 		max_burst = urb->ep->ss_ep_comp.bMaxBurst;
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index 6fe0174da226..adc169d2fd76 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -2073,6 +2073,7 @@ static unsigned int xhci_get_block_size(struct usb_device *udev)
 	case USB_SPEED_HIGH:
 		return HS_BLOCK;
 	case USB_SPEED_SUPER:
+	case USB_SPEED_SUPER_PLUS:
 		return SS_BLOCK;
 	case USB_SPEED_UNKNOWN:
 	case USB_SPEED_WIRELESS:
@@ -2198,7 +2199,7 @@ static int xhci_check_bw_table(struct xhci_hcd *xhci,
 	unsigned int packets_remaining = 0;
 	unsigned int i;
 
-	if (virt_dev->udev->speed == USB_SPEED_SUPER)
+	if (virt_dev->udev->speed >= USB_SPEED_SUPER)
 		return xhci_check_ss_bw(xhci, virt_dev);
 
 	if (virt_dev->udev->speed == USB_SPEED_HIGH) {
@@ -2399,7 +2400,7 @@ void xhci_drop_ep_from_interval_table(struct xhci_hcd *xhci,
 	if (xhci_is_async_ep(ep_bw->type))
 		return;
 
-	if (udev->speed == USB_SPEED_SUPER) {
+	if (udev->speed >= USB_SPEED_SUPER) {
 		if (xhci_is_sync_in_ep(ep_bw->type))
 			xhci->devs[udev->slot_id]->bw_table->ss_bw_in -=
 				xhci_get_ss_bw_consumed(ep_bw);
@@ -2437,6 +2438,7 @@ void xhci_drop_ep_from_interval_table(struct xhci_hcd *xhci,
 		interval_bw->overhead[HS_OVERHEAD_TYPE] -= 1;
 		break;
 	case USB_SPEED_SUPER:
+	case USB_SPEED_SUPER_PLUS:
 	case USB_SPEED_UNKNOWN:
 	case USB_SPEED_WIRELESS:
 		/* Should never happen because only LS/FS/HS endpoints will get
@@ -2496,6 +2498,7 @@ static void xhci_add_ep_to_interval_table(struct xhci_hcd *xhci,
 		interval_bw->overhead[HS_OVERHEAD_TYPE] += 1;
 		break;
 	case USB_SPEED_SUPER:
+	case USB_SPEED_SUPER_PLUS:
 	case USB_SPEED_UNKNOWN:
 	case USB_SPEED_WIRELESS:
 		/* Should never happen because only LS/FS/HS endpoints will get