On Fri, Mar 6, 2009 at 1:33 PM, Jon Smirl <jonsmirl@xxxxxxxxx> wrote:
> On Thu, Mar 5, 2009 at 12:00 PM, Alan Stern <stern@xxxxxxxxxxxxxxxxxxx> wrote:
>> On Wed, 4 Mar 2009, Jon Smirl wrote:
>> The -ENOENT error comes up somewhere in proc_do_submiturb() in
>> drivers/usb/core/devio.c, or in one of the subroutines it calls:
>> findintfep() or checkintf(). The error return must occur before the
>> line:
>>
>> switch(uurb->type) {
>>
>
> It can't find the end point. It is asking for EP 81 on interface 0.
All of this works ok if ftdi_sio is unloaded. Does having ftdi_sio
bound effect these arrays?
>
> if ((uurb->endpoint & USB_ENDPOINT_DIR_MASK) != 0) {
> is_in = 1;
> ep = ps->dev->ep_in[uurb->endpoint & USB_ENDPOINT_NUMBER_MASK];
> } else {
> is_in = 0;
> ep = ps->dev->ep_out[uurb->endpoint & USB_ENDPOINT_NUMBER_MASK];
> }
> if (!ep)
> return -ENOENT;
>
> Should it be there?
>
> Interface Descriptor:
> bLength 9
> bDescriptorType 4
> bInterfaceNumber 0
> bAlternateSetting 0
> bNumEndpoints 2
> bInterfaceClass 255 Vendor Specific Class
> bInterfaceSubClass 255 Vendor Specific Subclass
> bInterfaceProtocol 255 Vendor Specific Protocol
> iInterface 2 Olimex OpenOCD JTAG
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x81 EP 1 IN
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0040 1x 64 bytes
> bInterval 0
> Endpoint Descriptor:
> bLength 7
> bDescriptorType 5
> bEndpointAddress 0x02 EP 2 OUT
> bmAttributes 2
> Transfer Type Bulk
> Synch Type None
> Usage Type Data
> wMaxPacketSize 0x0040 1x 64 bytes
> bInterval 0
>
>
> --
> Jon Smirl
> jonsmirl@xxxxxxxxx
>
--
Jon Smirl
jonsmirl@xxxxxxxxx
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