Mathias Nyman 460fd21618 USB: USB 3.2 Add sysfs entries for a usb device rx_lanes and tx_lanes ...

Add rx_lanes and tx_lanes lane count sysfs entries for a usb device
struct usb_devuce rx_lanes and tx_lanes variables.

Shows number of lanes used by the usb device

Data rate of a device is the lane speed * lane count, for example
USB 3.2 Gen 2x2 device uses 10Gbps signaling per lane, and has dual-lane
support 10Gbps * 2 = 20Gbps

Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

2018-04-22 16:19:26 +02:00

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