diff options
| author | Huang Rui <ray.huang@amd.com> | 2013-10-28 23:31:32 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-10-29 16:48:53 -0700 |
| commit | 9d3bd7684645834ede59d285af1d70ccabee9bf3 (patch) | |
| tree | 48f3d444a5ca3df91d3171209a0767a843a77d1c /drivers/usb/misc/usbtest.c | |
| parent | 488c9cd34b56a696765739c7d31dc06620305d8e (diff) | |
| download | blackbird-op-linux-9d3bd7684645834ede59d285af1d70ccabee9bf3.tar.gz blackbird-op-linux-9d3bd7684645834ede59d285af1d70ccabee9bf3.zip | |
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: Huang Rui <ray.huang@amd.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/misc/usbtest.c')
| -rw-r--r-- | drivers/usb/misc/usbtest.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c index 1fdd88f382cc..e7235d5cce85 100644 --- a/drivers/usb/misc/usbtest.c +++ b/drivers/usb/misc/usbtest.c @@ -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, |
