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Commit 9d3bd768 authored by Huang Rui's avatar Huang Rui Committed by Greg Kroah-Hartman
Browse files

usb: usbtest: support bos descriptor test for usb 3.0 



In Test 9 of usbtest module, it is used for performing chapter 9 tests N
times. This patch adds to support getting bos descriptor test scenario for
USB 3.0.

Signed-off-by: default avatarHuang Rui <ray.huang@amd.com>
Acked-by: default avatarAlan Stern <stern@rowland.harvard.edu>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 488c9cd3

drivers/usb/misc/usbtest.c

+13 −0
Original line number Diff line number Diff line
@@ -689,6 +689,19 @@ static int ch9_postconfig(struct usbtest_dev *dev) 
		return (retval < 0) ? retval : -EDOM;

	}



	/*

	 * there's always [9.4.3] a bos device descriptor [9.6.2] in USB

	 * 3.0 spec

	 */

	if (le16_to_cpu(udev->descriptor.bcdUSB) >= 0x0300) {

		retval = usb_get_descriptor(udev, USB_DT_BOS, 0, dev->buf,

				sizeof(*udev->bos->desc));

		if (retval != sizeof(*udev->bos->desc)) {

			dev_err(&iface->dev, "bos descriptor --> %d\n", retval);

			return (retval < 0) ? retval : -EDOM;

		}

	}



	/* there's always [9.4.3] at least one config descriptor [9.6.3] */

	for (i = 0; i < udev->descriptor.bNumConfigurations; i++) {

		retval = usb_get_descriptor(udev, USB_DT_CONFIG, i,