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added debug statements. Apparently, the code is trying to initialize the

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hub as mouse (which obviously can't work).
This commit is contained in:
Markus Fröschle
2014-09-01 06:41:07 +00:00
parent 1f02b270f7
commit df57613c13
1 changed files with 48 additions and 2 deletions
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48
usb/usb_mouse.c
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@@ -210,27 +210,73 @@ static int usb_mouse_probe(struct usb_device *dev, unsigned int ifnum)
{
struct usb_interface_descriptor *iface;
struct usb_endpoint_descriptor *ep;
int pipe, maxp;
int pipe;
int maxp;
if (dev->descriptor.bNumConfigurations != 1)
{
dbg("dev->descriptor.bNumConfigurations != 1\r\n");
return 0;
}
iface = &dev->config.if_desc[ifnum];
if (iface->bInterfaceClass != 3)
{
dbg("iface->bInterfaceClass != 3 (%d instead)\r\n", iface->bInterfaceClass);
return 0;
}
if (iface->bInterfaceSubClass != 1)
{
dbg("iface->bInterfaceSubClass != 1 (%d instead)\r\n", iface->bInterfaceSubClass);
return 0;
}
if (iface->bInterfaceProtocol != 2)
{
dbg("iface->bInterfaceProtocol != 2 (%d)\r\n", iface->bInterfaceProtocol);
return 0;
}
if (iface->bNumEndpoints != 1)
{
dbg("iface->bNumEndpoints != 1\r\n");
return 0;
}
ep = &iface->ep_desc[0];
if (!(ep->bEndpointAddress & 0x80))
{
dbg("! ep->bEndpointAddress & 0x80\r\n");
return 0;
}
if ((ep->bmAttributes & 3) != 3)
{
dbg("ep->bmAttributes & 3 != 3\r\n");
return 0;
}
new = (unsigned char *) driver_mem_alloc(8);
if (new == NULL)
{
dbg("new == NULL\r\n");
return 0;
}
dbg("USB MOUSE found set protocol...\r\n");
/* ok, we found a USB Mouse, install it */
pipe = usb_rcvintpipe(dev, ep->bEndpointAddress);
maxp = usb_maxpacket(dev, pipe);