On Mon, 7 Apr 2008 04:12:58 -0700, "Bryan Wu" <cooloney@xxxxxxxxxx> wrote:
>> > My patch is simply skip to start 2cn CSW operation as below:
>> > --
>> > Index: drivers/usb/storage/transport.c
>> > ===================================================================
>> > --- drivers/usb/storage/transport.c (revision 4075)
>> > +++ drivers/usb/storage/transport.c (working copy)
>> > @@ -1034,9 +1034,11 @@ int usb_stor_Bulk_transport(struct scsi_
>> >
>> > /* get the status again */
>> > US_DEBUGP("Attempting to get CSW (2nd try)...\n");
>> > - result = usb_stor_bulk_transfer_buf(us,
> us->recv_bulk_pipe,
>> > + bcs->Status = US_BULK_STAT_OK;
>> > + goto bcs_status;
>> > +/* result = usb_stor_bulk_transfer_buf(us,
> us->recv_bulk_pipe,
>> > bcs, US_BULK_CS_WRAP_LEN, NULL);
>> > - }
>> > +*/ }
>>
>> maybe this command triggers a current spike on the zio reader which is
>> causing the
>> vbus drop ? could be...
>>
>
> Oh, no. this issue was found in some USB-IDE cable, USB SD card reader
> and 30G iPod, not in ZiO reader.
>
> The code of the packet which triggered the ZiO issue was included in
> the ZiO email.
Ugh, my bad :-p
--
Best Regards,
Felipe Balbi
http://felipebalbi.com
me@xxxxxxxxxxxxxxx
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