linux-kernel - Re: [HANG] Trouble with NEC-based USB adapter in PCMCIA slot on E7110

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Date:	Sat, 10 Aug 2013 08:04:56 -0400 (EDT)
From:	Alan Stern <stern@...land.harvard.edu>
To:	Thomas Richter <richter@....uni-stuttgart.de>
cc:	linux@...do.de, <linux-kernel@...r.kernel.org>
Subject: Re: [HANG] Trouble with NEC-based USB adapter in PCMCIA slot on
 E7110

On Sat, 10 Aug 2013, Thomas Richter wrote:

> Which modules are relevant for handling the communication with the 
> device, and where would you suggest to start looking? I assume 
> yenta_socket is one thing for the cartbus adapter, then we have ehci_hcd 
> and ehci_pci. Do I assume correctly that we can rule out the ohci_hcd 
> module since that is not involved?

That's right.

>  What about other usb modules? I would 
> probably need a short recap on through which modules the user data flows 
> before the write is triggered, and which modules are involved in the 
> configuration of the NEC ehci host adapter.

Start with just the ones you have identified.  If that doesn't fix the 
problem then we can look further.

Alan Stern

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