linux-kernel - Re: [PATCH v2 3/3] ARM: dts: rockchip: fixes the spi compatible for rk3036

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Date:	Fri, 20 May 2016 14:58:27 +0200
From:	Heiko Stuebner <heiko@...ech.de>
To:	Shawn Lin <shawn.lin@...nel-upstream.org>
Cc:	Caesar Wang <wxt@...k-chips.com>, Mark Brown <broonie@...nel.org>,
	shawn.lin@...k-chips.com, Mark Rutland <mark.rutland@....com>,
	devicetree@...r.kernel.org, Pawel Moll <pawel.moll@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	linux-kernel@...r.kernel.org, Russell King <linux@...linux.org.uk>,
	linux-rockchip@...ts.infradead.org,
	Rob Herring <robh+dt@...nel.org>,
	Kumar Gala <galak@...eaurora.org>,
	linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 3/3] ARM: dts: rockchip: fixes the spi compatible for rk3036

Am Freitag, 20. Mai 2016, 20:35:53 schrieb Shawn Lin:
> 在 2016/5/20 7:56, Caesar Wang 写道:
> > That's seem the incorrect string to match the spi driver.
> 
> Will it break the backward compatibility for some dtb if not
> falling back to "rockchip,rockchip-spi" ?

in what dtb did you see "rockchip,rockchip-spi"?
I.e. it isn't part of any current _mainline_ devicetree files.


Heiko

> 
> > Fixes commit f629fcfab2cd
> > ("ARM: dts: rockchip: support the spi for rk3036")
> > 
> > Signed-off-by: Caesar Wang <wxt@...k-chips.com>
> > Cc: Heiko Stuebner <heiko@...ech.de>
> > Cc: linux-rockchip@...ts.infradead.org
> > 
> > ---
> > 
> > Changes in v2: None
> > 
> >  arch/arm/boot/dts/rk3036.dtsi | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/arch/arm/boot/dts/rk3036.dtsi
> > b/arch/arm/boot/dts/rk3036.dtsi index d0f4bb7..a30700a 100644
> > --- a/arch/arm/boot/dts/rk3036.dtsi
> > +++ b/arch/arm/boot/dts/rk3036.dtsi
> > @@ -431,7 +431,7 @@
> > 
> >  	};
> >  	
> >  	spi: spi@...74000 {
> > 
> > -		compatible = "rockchip,rockchip-spi";
> > +		compatible = "rockchip,rk3036-spi";
> > 
> >  		reg = <0x20074000 0x1000>;
> >  		interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
> >  		clocks =<&cru PCLK_SPI>, <&cru SCLK_SPI>;