[PATCH] usb: hub add filter for device with specific VID&PID

[Ran Wang]

USB 2.0 Embedded Host PET Automated Test (CH6) 6.7.23 A-UUT "Unsupported
Device" Message require to stop enumerating device with VID=0x1a0a PID=0x0201
and pop message to declare this device is not supported.

Signed-off-by: Ran Wang <ran.wan...@nxp.com>
---
 drivers/usb/core/hub.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index bbcfa63..3cda0da 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -4982,6 +4982,18 @@ static void hub_port_connect(struct usb_hub *hub, int 
port1, u16 portstatus,
                if (status < 0)
                        goto loop;
 
+                /* USB 2.0 Embedded Host PET Automated Test (CH6)
+                * 6.7.23 A-UUT "Unsupported Device" Message
+                * require to filter out below device when enumeration
+                */
+               if ((udev->descriptor.idVendor == 0x1a0a)
+                && (udev->descriptor.idProduct == 0x0201)) {
+                       dev_err(&udev->dev, "This device is not supported: 
idVendor=0x%x idProduct=0x%x\n",
+                               udev->descriptor.idVendor,
+                               udev->descriptor.idProduct);
+                       goto done;
+               }
+
                if (udev->quirks & USB_QUIRK_DELAY_INIT)
                        msleep(2000);
 
-- 
2.7.4