linux-kernel - Re: [PATCH RFC 5/6] ARM: pxa: Convert Spitz hsync to GPIO descriptors

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Date:   Mon, 25 Sep 2023 17:07:37 +0200
From:   Duje Mihanović <duje.mihanovic@...le.hr>
To:     Andy Shevchenko <andy@...nel.org>
Cc:     Daniel Mack <daniel@...que.org>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Russell King <linux@...linux.org.uk>,
        Alan Stern <stern@...land.harvard.edu>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Linus Walleij <linus.walleij@...aro.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-usb@...r.kernel.org, linux-gpio@...r.kernel.org
Subject: Re: [PATCH RFC 5/6] ARM: pxa: Convert Spitz hsync to GPIO descriptors

On Monday, September 25, 2023 9:36:40 AM CEST Andy Shevchenko wrote:
> So, I didn't get, is this GPIO crucial for functioning or optional?
> If the former, we need to stop here or bail out (if possible), do we?
> Or should use _optional() API?

I don't know and I do not have any hardware to test on. Though I'd assume the 
touchscreen would not work properly (if at all), so I'll add a return there.

Regards,
Duje