RTL bug fixes

git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3421 42af7a65-404d-4744-a932-0658087f49c3

2 files changed, 12 insertions, 11 deletions

diff --git a/nuttx/drivers/usbhost/usbhost_enumerate.c b/nuttx/drivers/usbhost/usbhost_enumerate.c
index 4c8c9c8c3..1c3a827bf 100755
--- a/nuttx/drivers/usbhost/usbhost_enumerate.c
+++ b/nuttx/drivers/usbhost/usbhost_enumerate.c
@@ -129,18 +129,19 @@ static inline int usbhost_devdesc(const struct usb_devdesc_s *devdesc,
 
   memset(id, 0, sizeof(struct usbhost_id_s));
 
-  /* Pick off the ID info */
+  /* Pick off the class ID info */
 
   id->base     = devdesc->class;
   id->subclass = devdesc->subclass;
   id->proto    = devdesc->protocol;
-  uvdbg("class:%d subclass:%d protocol:%d\n", id->base, id->subclass, id->proto);
 
-  /* Yes, then pick off the VID and PID as well */
+  /* Pick off the VID and PID as well (for vendor specfic devices) */
 
   id->vid = usbhost_getle16(devdesc->vendor);
   id->pid = usbhost_getle16(devdesc->product);
-  uvdbg("vid:%d pid:%d\n", id->vid, id->pid);
+
+  uvdbg("class:%d subclass:%04x protocol:%04x vid:%d pid:%d\n",
+        id->base, id->subclass, id->proto, id->vid, id->pid);
   return OK;
 }
                                 
@@ -188,9 +189,8 @@ static inline int usbhost_configdesc(const uint8_t *configdesc, int cfglen,
       if (ifdesc->type == USB_DESC_TYPE_INTERFACE)
         {
           /* Yes, extract the class information from the interface descriptor.
-           * (We are going to need to do more than this here in the future:
-           *  ID information might lie elsewhere and we will need the VID and
-           *  PID as well).
+           * Typically these values are zero meaning that the "real" ID
+           * information resides in the device descriptor.
            */
  
           DEBUGASSERT(remaining >= sizeof(struct usb_ifdesc_s));
diff --git a/nuttx/drivers/usbhost/usbhost_findclass.c b/nuttx/drivers/usbhost/usbhost_findclass.c
index d4438d814..f08aff580 100644
--- a/nuttx/drivers/usbhost/usbhost_findclass.c
+++ b/nuttx/drivers/usbhost/usbhost_findclass.c
@@ -87,8 +87,9 @@
 static bool usbhost_idmatch(const struct usbhost_id_s *classid,
                             const struct usbhost_id_s *devid)
 {
-  uvdbg("Compare to class:%d subclass:%d protocol:%d\n",
-         classid->base, classid->subclass, classid->proto);
+  uvdbg("Compare to class:%d subclass:%d protocol:%d vid:%04x pid:%04x\n",
+         classid->base, classid->subclass, classid->proto,
+         classid->vid, classid->pid);
 
   /* The base class ID, subclass and protocol have to match up in any event */
 
@@ -156,8 +157,8 @@ const struct usbhost_registry_s *usbhost_findclass(const struct usbhost_id_s *id
   int ndx;
 
   DEBUGASSERT(id);
-  uvdbg("Looking for class:%d subclass:%d protocol:%d\n",
-        id->base, id->subclass, id->proto);
+  uvdbg("Looking for class:%d subclass:%d protocol:%d vid:%04x pid:%04x\n",
+        id->base, id->subclass, id->proto, id->vid, id->pid);
 
   /* g_classregistry is a singly-linkedlist of class ID information added by
    * calls to usbhost_registerclass().  Since this list is accessed from USB