linux-kernel - Re: [PATCH] USB: gadget: usb function sourcesink and loopback support usb configfs

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Message-ID: <2023082229-gave-smuggler-f91c@gregkh>
Date:   Tue, 22 Aug 2023 14:34:51 +0200
From:   Greg KH <gregkh@...uxfoundation.org>
To:     chengdong zhou <zhouscd@...il.com>
Cc:     dan.scally@...asonboard.com, laurent.pinchart@...asonboard.com,
        m.grzeschik@...gutronix.de, john@...ping.me.uk,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] USB: gadget: usb function sourcesink and loopback
 support usb configfs

On Tue, Aug 01, 2023 at 03:42:23AM -0700, chengdong zhou wrote:
> There are currently two issues that causes sourcesink and loopback to
> fail to export to usb configfs:
> 1. usb_function.name does not match usb_function_driver.name
> 2. usb configfs does not support function name with '/'
> 
> So, we adjusted usb_function.name to "sourcesink" and "loopback",
> and remove '/'

How has this ever worked?  What userspace tools / apis did you just
break or change to get this to work?

this feels odd.

thanks

greg k-h