For that specific processor at that time OTG was mentioned as not-supported by the described version of the drivers. EngineerZone Uses cookies to ensure you get the best experience in our community. I got it working today for some time, then it stopped and now it is working again. I installed the kernel and the device is being detected: As outlined above, the glue layer is actually the platform specific code sitting in between the controller driver and the controller hardware. This unit is supported by the Linux kernel by the musb code and module.

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Why the unbind command say that the device does not exist then? After several days of debugging it worked only once, dhrc since today I see these ep0stage messages.

Changed in linux-meta-ti-omap4 Ubuntu: Mass Storage Gadget, version: Email Required, but never shown.

USB device – custom board

Navigation menu Personal tools Log in Request account. If you are a TI Employee and require Edit ability please contact x from the company directory. Thanks for your help Matt. The upper layers are formed by a set of gadget drivers for the various functionalities.


CONFIG_USB_MUSB_HDRC: Inventra Highspeed Dual Role Controller

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The probe and remove function pointers are called when a matching device is detected and, respectively, released. Paolo Pisati p-pisati wrote on Device not responding to setup address.

Thanks for your help. If this doesn’t work for you, the alternative is to get down to the musb driver and hack your way adding your own kludge.

Linux USB – Configuring the USB host (musb-hdrc?) to only allow

The dev and musb members are both device structure variables. I’m sure you dont’t want to unbind the musb controller driver, instead it’s unbinding the device.

You can find it:. It says it’s using ehci-pci driver, but the device will be binded to a hub instead. I expect that experimented Linux driver developers can help here. USB Mass Storage device detected [ Download full text 5. After discharging capacitor the value drops back to 0x Hi Steven, I have tried your method a hhdrc of times, but it seems the device still appears as a high umsb device.


Seems like a hardware issue and it seems like controller is able to detect itbut our USB1 schematics are identical to SC ezkit. Charlie Hamilton New Mub Posts: Rebuilding the kernel with module built-in similar to Oneiric works. The driver further takes care for the right voltage detection state as provided by the hardware unit.

By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service. An idea is to use the musb-hdrc driver to unbind hdgc No upgrade log present probably fresh install. Thank you for the answer.

Yes it’s exactly what i did, playing with the power interface.

Unbinding and re-binding is fairly easy. You are not directly subscribed to this bug’s notifications.

The remove certainly does it, but then you can’t insert it back.