linux-kernel - Re: [PATCH v5 2/3] usb: serial: xr

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Message-ID: <X9DtxFgrkFIUIzyv@localhost>
Date:   Wed, 9 Dec 2020 16:31:16 +0100
From:   Johan Hovold <johan@...nel.org>
To:     Manivannan Sadhasivam <mani@...nel.org>
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Johan Hovold <johan@...nel.org>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Greg KH <gregkh@...uxfoundation.org>,
        linux-usb <linux-usb@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        patong.mxl@...il.com,
        Mauro Carvalho Chehab <mchehab+huawei@...nel.org>,
        Angelo Dureghello <angelo.dureghello@...esys.com>,
        "open list:GPIO SUBSYSTEM" <linux-gpio@...r.kernel.org>
Subject: Re: [PATCH v5 2/3] usb: serial: xr_serial: Add gpiochip support

On Tue, Dec 08, 2020 at 06:22:50PM +0530, Manivannan Sadhasivam wrote:
> On Tue, Dec 08, 2020 at 01:41:52PM +0100, Linus Walleij wrote:
> > On Tue, Dec 8, 2020 at 10:57 AM Johan Hovold <johan@...nel.org> wrote:

> > I think if this driver already has unique line-names per-gpiochip
> > we could actually make it depend on !GPIO_SYSFS and
> > just add the names.
> 
> Sure thing.
> 
> Johan, if you are okay with this I can resubmit incorporating Linus's
> suggestion.

Let's wait a bit with adding the names.

That can possibly be done as a follow-up too even if removing GPIO_SYSFS
support later is not ideal in case that's the path chosen (we'd have a
similar problem with the existing USB-serial GPIO implementations though).

Johan