Re: PATCH: usb ehci debug port device gadget

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On Tue, Jun 22, 2010 at 06:14:14PM +0200, stephane duverger wrote:
> Hello,
> This is a patch that implements an USB EHCI Debug Device using the
> Gadget API. It does make use of "u_serial" to provide userland access.
> The code is small and is inspired by other gadgets. As i don't have a
> significant experience in kernel development i think it should be
> rewritten (using composite ?!).
> The effective code is really small, but the main problem is that i was
> constrained to patch into the usb controller code to make it forward the
> USB_DEVICE_DEBUG_MODE feature to the gadget driver.
> So unfortunately, every controller (i only tested my code on a Nokia
> N900 which uses "musb" controller) will potentially need a patch if
> their ep0 handler does not forward the feature request to the gadget
> driver ... if i'm correct.
> I provide a patch for a vanilla kernel, although it has been
> tested (not intensively) on a 2.6.28-omap1 kernel. The Debug Port on
> the host side, was feeded by a linux kernel using "earlyprintk=dbgp".

Very nice stuff.

Could you port it to 2.6.35-rc3 and resend it with a signed-off-by line
so that we can apply it to the tree if it all works out properly?


greg k-h
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