Il 16/02/2011 18:45, mark205@xxxxxxxx ha scritto:
> Il 16/02/2011 09:54, Gupta, Ajay Kumar ha scritto:
>>> Hi there,
>>>
>>> My kernel has a lot of patches. The drivers/usb/musb/musb_host.c is
this
>>> http://pastebin.com/24Dgxr7V
>> You musb_host.c doesn't have high bandwidth support patch. Please
apply it
>> > From below link,
>>
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=a483d7068f661213e9586d4d132fc0e0287118b4;hp=d1043a2697effee3054451a9293a376bfb013e4b
>>
>> Regards,
>> Ajay
>>> It is dated: 22 march 2006.
>>>
>>> Do you think that my isochronous transfer problem could depend on an
>>> error on this file? or it's an HW problem for sure?
>>>
>>> Cheers
>>>
>>>
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>
> Hi, thank you very much for the link.
>
> The kernel I'm using is modified and there is some code that can't be
patched with that patch.. anyway I think I can start to patch it looking
at that patch because most of the code is similar.. so thank you again!
>
> I'll let you know know if it works
>
>
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>
This problem is driving me crazy o.O
I have patched my code with that but it still doesn't work..
I get the errno 28 cause of the the ENOSPC of void musb_host_rx(struct
musb *musb, u8 epnum):
....
goto success;
} else if (best_end < 0) {
return -ENOSPC;
}
.....
It seems that the variable best_end is <0 or because musb->nr_endpoints
is < 0 (that means no endpoints are found.. why????) or because the
condition: if (diff >= 0 && best_diff > diff) is never true.
I modified the kernel deleting the "return -ENOSPC" but in this way
after a few seconds the system reboots..
I saw that there are a lot of DBG messages like: DBG(4, "qh %p periodic
slot %d\n", qh, best_end);
Do you know how can I turn on this debugging mode in order to print
these messages in the console?
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