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Date:   Sun, 4 Jun 2023 13:44:59 -0400
From:   Hugo Villeneuve <hugo@...ovil.com>
To:     Andy Shevchenko <andy.shevchenko@...il.com>
Cc:     Greg KH <gregkh@...uxfoundation.org>, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        jirislaby@...nel.org, jringle@...dpoint.com,
        tomasz.mon@...lingroup.com, l.perczak@...lintechnologies.com,
        linux-serial@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        Hugo Villeneuve <hvilleneuve@...onoff.com>,
        stable@...r.kernel.org
Subject: Re: [PATCH v7 5/9] serial: sc16is7xx: fix regression with GPIO
 configuration

On Sun, 4 Jun 2023 14:57:31 +0300
Andy Shevchenko <andy.shevchenko@...il.com> wrote:

> On Sun, Jun 4, 2023 at 10:47 AM Greg KH <gregkh@...uxfoundation.org> wrote:
> > On Fri, Jun 02, 2023 at 11:26:21AM -0400, Hugo Villeneuve wrote:
> 
> ...
> 
> > > +static u8 sc16is7xx_setup_mctrl_ports(struct device *dev)
> >
> > This returns what, mctrl?  If so, please document that, it doesn't look
> > obvious.
> 
> Good suggestion. Because I also stumbled over the returned type.
> 
> >  And as the kernel test robot reported, you do nothing with the
> > return value so why compute it?
> 
> It seems that the entire function and respective call has to be moved
> under #ifdef CONFIG_GPIOLIB.

Hi,
it cannot. See my explanations in response to Greg's comments.

Hugo.

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