[PATCH v3] USB: move usb debugfs directory creation to the usb common core

Greg Kroah-Hartman gregkh at linuxfoundation.org
Wed Jun 5 23:58:22 PDT 2019

On Thu, Jun 06, 2019 at 10:32:48AM +0800, Chunfeng Yun wrote:
> On Wed, 2019-06-05 at 14:44 +0200, Greg Kroah-Hartman wrote:
> > The USB gadget subsystem wants to use the USB debugfs root directory, so
> > move it to the common "core" USB code so that it is properly initialized
> > and removed as needed.
> > 
> > In order to properly do this, we need to load the common code before the
> > usb core code, when everything is linked into the kernel, so reorder the
> > link order of the code.
> > 
> > Also as the usb common code has the possibility of the led trigger logic
> > to be merged into it, handle the build option properly by only having
> > one module init/exit function and have the common code initialize the
> > led trigger if needed.
> > 
> > Reported-by: Chunfeng Yun <chunfeng.yun at mediatek.com>
> > Cc: Felipe Balbi <felipe.balbi at linux.intel.com>
> > Signed-off-by: Greg Kroah-Hartman <gregkh at linuxfoundation.org>
> > ---
> > Chunfeng, can you try testing this again?
> Tested-by: Chunfeng Yun <chunfeng.yun at mediatek.com>
> Thank you, Greg, Felipe

Thanks for the review, and all of the different iterations for this.
For something so "simple" it sure took us all a number of tries :)

I'll go queue it up now so that your future work can rely on it.


greg k-h

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