usb host mode

[Felipe Balbi]

On Fri, 7 Mar 2008 18:08:13 +0530, "Phani Kumar Kancharala"
<kancharlaphanikumar at gmail.com> wrote:
> yeah, Driver -> USB -> Gadget -> Ethernet Gadget Drive is already
enabled.
> In fact, I could able to use Ethernet over USB.
> FYI,
>  I am using 2.6.22.5 kernel patched with the usb_mode_swith.patch
>  I cross verified whether the patch is applied correctly using the tool
> "nm", it listed both show_usb_mode and set_usb_mode on the ohci_hcd.ko.

Hmm, so you should have the sysfs entry.

find /sys -name mode  should help you find it ;-)

> 
> Thanks n Regards,
> Phani Kumar
> 
> On Fri, Mar 7, 2008 at 5:51 PM, Felipe Balbi <me at felipebalbi.com> wrote:
> 
>>
>>
>> On Fri, 7 Mar 2008 17:30:44 +0530, "Phani Kumar Kancharala"
>> <kancharlaphanikumar at gmail.com> wrote:
>> > Thanks Felipe,
>> > The module ohci-hcd is loaded but use count is zero.
>> > what do you mean by gadget driver? where can I get it??
>>
>> make menuconfig
>> Driver -> USB -> Gadget -> Ethernet Gadget Driver ;-)
>>
>> enable that one ;-)
>>
>> BTW, HCDs will always have usecount 0, this is done so you can
>> rmmod/modprobe easier.
>> good for debugging :-p
>>
>> >
>> > Best Regards,
>> > Phani Kumar
>> > On Fri, Mar 7, 2008 at 4:59 PM, Felipe Balbi <me at felipebalbi.com>
> wrote:
>> >
>> >>
>> >>
>> >> On Fri, 7 Mar 2008 15:35:10 +0530, "Phani Kumar Kancharala"
>> >> <kancharlaphanikumar at gmail.com> wrote:
>> >> > Hi all,
>> >> > I am trying to run the usb in host mode. I created a new kernel
> image
>> >> > after
>> >> > applying the patch given in the wiki.
>> >> > Now the problem is, I couldn't see the file "usb_mode" under
>> >> > /sys/devices/platform/s3c2410-ohci/.
>> >> >
>> >> > should we create this file or it will be there on loading the
> module
>> >> > ohci_hcd??
>> >>
>> >> You need to load the module.
>> >> You may need a gadget driver as well for switching roles between host
>> > and
>> >> peripheral
>> >>
>> >> >
>> >> > Thanks n Regards
>> >> > Phani Kumar
>> >> --
>> >> Best Regards,
>> >>
>> >> Felipe Balbi
>> >> http://felipebalbi.com
>> >> me at felipebalbi.com
>> >>
>> >>
>> --
>> Best Regards,
>>
>> Felipe Balbi
>> http://felipebalbi.com
>> me at felipebalbi.com
>>
>>
-- 
Best Regards,

Felipe Balbi
http://felipebalbi.com
me at felipebalbi.com