On Tue, Nov 12, 2019 at 09:28:57AM -0600, Bin Liu wrote:

Hi,

On Tue, Nov 12, 2019 at 02:51:51PM +0800, Chunfeng Yun wrote:

quoted

Now the USB gadget subsystem can use the USB debugfs root directory,
so move musb's directory from the root of the debugfs filesystem into
the root of usb

My opinion is this move is unnecessary. I breaks existing debug tools or
documentation which is already published on Internet. 

Having a "root" directory for a single random driver seems like you are
making your driver a "very important" thing in the overall scheme of the
kernel, right?  What's wrong with using the usb subdirectory like all
other USB drivers use (after this patch series is merged)?  That feels
like a much more "sane" way to handle the wide-open debugfs namespace.

Yes, there are no rules when it comes to debugfs file names and
locations, but let's try to be sane please.

thanks,

greg k-h

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