Re: [Gumstix-users] Gentoo/2.6.11 kernel

[Craig H. <cr...@gu...>]

Victor, you can just recompile the gumstix kernel with the serial USB  
gadget driver instead of (or in addition to, if building modules) the  
usb ethernet gadget.  Then load that one on the gumstix side.

C

On Jun 9, 2005, at 4:01 PM, Victor Mulyk wrote:

> Curiously, what needs to be done on Linux PXA255 (USB device) to  
> support
> serial over USB?  I've built empeg.ko and usbserial.ko for my Linux
> host and can talk to our GPS receiver (PXA255 based), but it uses  
> an RTOS.
> Btw, serial over USB is blazingly fast.
> Interestingly, empeg.ko seemingly only works on 2.4 kernels even  
> though
> it compiles and /sbin/insmod's fine on 2.6 kernels.
>
> Thanks,
> Vic
>
> -----Original Message-----
> From: gum...@li...
> [mailto:gum...@li...]On Behalf Of Craig
> Casey
> Sent: Thursday, June 09, 2005 2:30 PM
> To: gum...@li...
> Subject: Re: [Gumstix-users] Gentoo/2.6.11 kernel
>
>
> Pete,
>
> I'm not sure about this, but I had some isues with using the usb
> networking at first as well.  It seemed that if I installed usbnet.ko
> ("modprobe usbnet") before plugging in the device, ti worked, but if I
> did it the other way around it wouldn't work.  You might try messing
> with the order in which you perform operations.
>
> Craig Casey
>
>
> On 6/9/05, Pete Latham <pet...@gm...> wrote:
>
>> Hi,
>>
>> I've been trying to connect to my gumstix using usb-networking. I am
>> using Gentoo and the Gentoo 2.6.11 kernel, which appears to have the
>> patch needed for older kernels correctly applied (it has not been
>> taken out). I have compiled the relevent module into the kernel, and
>> usb-networking works with another (not gumstix) arm-linux device I
>> use. The gumstix currently have the default kernel install and were
>> purchased in the last couple of weeks. I have no way of checking  
>> which
>> version of the kernel exactly they are using since I cannot  
>> connect to
>> them.
>>
>> When I connect the gunmsticks I get the following kernel debug, (from
>> /var/log/kern.log):
>>
>> Jun  9 20:46:12 tux kernel: usb 1-1: device descriptor read/64,  
>> error -110
>> Jun  9 20:46:13 tux kernel: usb 1-1: device descriptor read/64,  
>> error -110
>> Jun  9 20:46:13 tux kernel: usb 1-1: new low speed USB device using
>> ohci_hcd and address 3
>> Jun  9 20:46:13 tux kernel: usb 1-1: device descriptor read/64,  
>> error -110
>> Jun  9 20:46:13 tux kernel: usb 1-1: device descriptor read/64,  
>> error -110
>> Jun  9 20:46:24 tux kernel: usb 1-1: new low speed USB device using
>> ohci_hcd and address 4
>> Jun  9 20:46:24 tux kernel: usb 1-1: device descriptor read/64,  
>> error -110
>> Jun  9 20:46:24 tux kernel: usb 1-1: device descriptor read/64,  
>> error -110
>> Jun  9 20:46:25 tux kernel: usb 1-1: new low speed USB device using
>> ohci_hcd and address 5
>> Jun  9 20:46:25 tux kernel: usb 1-1: device descriptor read/64,  
>> error -110
>>
>> The device does not show when using lsusb. Has anyone else had  
>> similar
>> experiences with the gumstix or have any idea how I can solve my
>> problem.
>>
>> Many thanks,
>>
>> Pete
>>
>>
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>
>
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> -------------------------------------------------------
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> you shotput
> a projector? How fast can you ride your desk chair down the office  
> luge track?
> If you want to score the big prize, get to know the little guy.
> Play to win an NEC 61" plasma display: http://www.necitguy.com/?r
> _______________________________________________
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