Re: USB, Host and Device on the same machine

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



2008/10/24 Fredrik Johansson <frejo242@xxxxxxxxx>:
> Hello
>
> I am working on an embedded machine that has two USB controllers, one
> is a OTG and the other is a pure host.
>
> I have succesfully used g_serial driver on the OTG controller in
> device mode and talked to my pc using the cdc-acm driver.
> With the g_serial unloaded I have also enabled the ehci-hcd and
> cdc-acm drivers and connected the host port to another serial device.
>
> The problem I have now is that I want to be able to have my embedded
> machine work as a device on the OTG port and a host on the host port,
> but if I load the ehci-hcd driver with g_serial already loaded it
> screws everything up since ehci-hcd driver attaches to both the OTG
> and the host controller, how can i prevent it from using the OTG
> controller?

It is a platform dependent problem.  what is your platform ?( musb? )
which buses do the otg controller and ehci controller attache to?

>
> Best regards
> Fredrik Johansson
> --
> To unsubscribe from this list: send the line "unsubscribe linux-embedded" in
> the body of a message to majordomo@xxxxxxxxxxxxxxx
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
>



-- 
Lei Ming
--
To unsubscribe from this list: send the line "unsubscribe linux-embedded" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html

[Index of Archives]     [Gstreamer Embedded]     [Linux MMC Devel]     [U-Boot V2]     [Linux USB Devel]     [Video for Linux]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux ARM Kernel]     [Linux OMAP]     [Linux SCSI]

  Powered by Linux