diff options
| author | Thinh Nguyen <Thinh.Nguyen@synopsys.com> | 2021-03-10 19:42:44 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-03-23 13:12:37 +0100 |
| commit | 0299809be415567366b66f248eed93848b8dc9f3 (patch) | |
| tree | 11727fc337cc5ee77ef1be931a5d6da0cd186159 /drivers/usb/core/hcd.c | |
| parent | 71ca43f30df9c642970f9dc9b2d6f463f4967e7b (diff) | |
usb: core: Track SuperSpeed Plus GenXxY
Introduce ssp_rate field to usb_device structure to capture the
connected SuperSpeed Plus signaling rate generation and lane count with
the corresponding usb_ssp_rate enum.
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/b7805d121e5ae4ad5ae144bd860b6ac04ee47436.1615432770.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/core/hcd.c')
| -rw-r--r-- | drivers/usb/core/hcd.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/usb/core/hcd.c b/drivers/usb/core/hcd.c index 3f0381344221..6119fb41d736 100644 --- a/drivers/usb/core/hcd.c +++ b/drivers/usb/core/hcd.c @@ -2721,6 +2721,7 @@ int usb_add_hcd(struct usb_hcd *hcd, rhdev->rx_lanes = 1; rhdev->tx_lanes = 1; + rhdev->ssp_rate = USB_SSP_GEN_UNKNOWN; switch (hcd->speed) { case HCD_USB11: @@ -2738,8 +2739,11 @@ int usb_add_hcd(struct usb_hcd *hcd, case HCD_USB32: rhdev->rx_lanes = 2; rhdev->tx_lanes = 2; - fallthrough; + rhdev->ssp_rate = USB_SSP_GEN_2x2; + rhdev->speed = USB_SPEED_SUPER_PLUS; + break; case HCD_USB31: + rhdev->ssp_rate = USB_SSP_GEN_2x1; rhdev->speed = USB_SPEED_SUPER_PLUS; break; default: |