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Date:   Mon, 25 May 2020 15:35:33 +0200
From:   Greg KH <gregkh@linuxfoundation.org>
To:     Linus Walleij <linus.walleij@linaro.org>
Cc:     Johan Hovold <johan@kernel.org>,
        Manivannan Sadhasivam <mani@kernel.org>,
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        "open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>
Subject: Re: [PATCH 2/2] usb: serial: xr_serial: Add gpiochip support
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On Mon, May 25, 2020 at 03:02:15PM +0200, Linus Walleij wrote:
> On Mon, May 25, 2020 at 1:12 PM Greg KH <gregkh@linuxfoundation.org> wrote:
> 
> > > I remember I even referred to this myself, but I've been waning a bit
> > > on it recently, because it turns out that userspace/users aren't very
> > > good at parsing sysfs for topology.
> >
> > Which is why they could use libudev :)
> 
> Yet they insist on using things like Busybox' mdev (e.g. OpenWrt)
> or Android ... or is Android using libudev now? I'd be delighted
> if they did.

No, Android is not using libudev yet, they seem to be reinventing the
same thing, slowly, over time :(

greg k-h