2 files changed, 5 insertions, 4 deletions

diff --git a/drivers/usb/misc/ldusb.c b/drivers/usb/misc/ldusb.c
index 7aafd53fbcab..189a9db03509 100644
--- a/drivers/usb/misc/ldusb.c
+++ b/drivers/usb/misc/ldusb.c
@@ -63,9 +63,6 @@
 #define USB_DEVICE_ID_VERNIER_CYCLOPS   0x0004
 #define USB_DEVICE_ID_VERNIER_LCSPEC    0x0006
 
-#define USB_VENDOR_ID_MICROCHIP         0x04d8
-#define USB_DEVICE_ID_PICDEM            0x000c
-
 #ifdef CONFIG_USB_DYNAMIC_MINORS
 #define USB_LD_MINOR_BASE       0
 #else
@@ -92,7 +89,6 @@ static struct usb_device_id ld_usb_table [] = {
         { USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
         { USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
         { USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
-        { USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICDEM) },
         { USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
         { }                                     /* Terminating entry */
 };
diff --git a/drivers/usb/misc/usbtest.c b/drivers/usb/misc/usbtest.c
index 742be3c35947..054dedd28127 100644
--- a/drivers/usb/misc/usbtest.c
+++ b/drivers/usb/misc/usbtest.c
@@ -856,6 +856,11 @@ test_ctrl_queue (struct usbtest_dev *dev, struct usbtest_param *param)
                 struct urb              *u;
                 struct usb_ctrlrequest  req;
                 struct subcase          *reqp;
+
+                /* sign of this variable means:
+                 *  -: tested code must return this (negative) error code
+                 *  +: tested code may return this (negative too) error code
+                 */
                 int                     expected = 0;
 
                 /* requests here are mostly expected to succeed on any