Thread (16 messages) 16 messages, 4 authors, 2021-02-05
STALE1985d
Revisions (3)
  1. rfc current
  2. v2 [diff vs current]
  3. v3 [diff vs current]

[RFC PATCH 5/8] usb: xhci: Init root hub SSP rate

From: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Date: 2021-02-02 03:43:54
Subsystem: the rest, usb subsystem, usb xhci driver · Maintainers: Linus Torvalds, Greg Kroah-Hartman, Mathias Nyman

Initialize USB 3.x root hub SuperSpeed Plus rate.

Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
---
 drivers/usb/host/xhci.c | 2 ++
 1 file changed, 2 insertions(+)
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c
index f232dc9c172d..7da03a1a5084 100644
--- a/drivers/usb/host/xhci.c
+++ b/drivers/usb/host/xhci.c
@@ -5226,10 +5226,12 @@ int xhci_gen_setup(struct usb_hcd *hcd, xhci_get_quirks_t get_quirks)
 			hcd->self.root_hub->speed = USB_SPEED_SUPER_PLUS;
 			hcd->self.root_hub->rx_lanes = 2;
 			hcd->self.root_hub->tx_lanes = 2;
+			hcd->self.root_hub->ssp_rate = USB_SSP_GEN_2x2;
 			break;
 		case 1:
 			hcd->speed = HCD_USB31;
 			hcd->self.root_hub->speed = USB_SPEED_SUPER_PLUS;
+			hcd->self.root_hub->ssp_rate = USB_SSP_GEN_2x1;
 			break;
 		}
 		xhci_info(xhci, "Host supports USB 3.%x %sSuperSpeed\n",
-- 
2.28.0
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