linux-kernel - Re: [PATCH 2/2] MIPS: ingenic: gcw0: SPI panel does not require active-high CS

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Message-ID: <20210312150028.GB3743@alpha.franken.de>
Date:   Fri, 12 Mar 2021 16:00:28 +0100
From:   Thomas Bogendoerfer <tsbogend@...ha.franken.de>
To:     Paul Cercueil <paul@...pouillou.net>
Cc:     Rob Herring <robh+dt@...nel.org>, od@...c.me,
        dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-mips@...r.kernel.org
Subject: Re: [PATCH 2/2] MIPS: ingenic: gcw0: SPI panel does not require
 active-high CS

On Sun, Mar 07, 2021 at 07:28:30PM +0000, Paul Cercueil wrote:
> The NT39016 panel is a fun beast, even though the documentation states
> that the CS line is active-low, it will work just fine if the CS line is
> configured as active-high, but it won't work if the CS line is forced
> low or forced high.
> 
> Since it did actually work with the spi-cs-high property, this is not a
> bugfix, but we should nonetheless remove that property to match the
> documentation.
> 
> Signed-off-by: Paul Cercueil <paul@...pouillou.net>
> ---
>  arch/mips/boot/dts/ingenic/gcw0.dts | 1 -
>  1 file changed, 1 deletion(-)

applied to mips-next.

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]