linux-kernel - Re: [PATCH v5 01/10] arm64: allwinner: a64: enable RSB on A64

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Date:   Tue, 2 May 2017 13:22:08 +0200
From:   Maxime Ripard <maxime.ripard@...e-electrons.com>
To:     icenowy@...c.io
Cc:     Thomas Gleixner <tglx@...utronix.de>,
        Rob Herring <robh+dt@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
        Lee Jones <lee.jones@...aro.org>,
        Liam Girdwood <lgirdwood@...il.com>,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...glegroups.com,
        linux-kernel-owner@...r.kernel.org
Subject: Re: [PATCH v5 01/10] arm64: allwinner: a64: enable RSB on A64

On Fri, Apr 28, 2017 at 02:14:58AM +0800, icenowy@...c.io wrote:
> 在 2017-04-27 21:28，Maxime Ripard 写道：
> > On Wed, Apr 26, 2017 at 11:20:14PM +0800, Icenowy Zheng wrote:
> > > Allwinner A64 have a RSB controller like the one on A23/A33 SoCs.
> > > 
> > > Add it and its pinmux.
> > > 
> > > Signed-off-by: Icenowy Zheng <icenowy@...c.io>
> > > Acked-by: Chen-Yu Tsai <wens@...e.org>
> > > ---
> > > Changes in v2:
> > > - Removed bonus properties in pio node.
> > > - Added Chen-Yu's ACK.
> > > 
> > >  arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 19
> > > +++++++++++++++++++
> > >  1 file changed, 19 insertions(+)
> > > 
> > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > > b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > > index c7f669f5884f..05ec9fc5e81f 100644
> > > --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
> > > @@ -422,6 +422,25 @@
> > >  			#gpio-cells = <3>;
> > >  			interrupt-controller;
> > >  			#interrupt-cells = <3>;
> > > +
> > > +			r_rsb_pins: rsb@0 {
> > > +				pins = "PL0", "PL1";
> > > +				function = "s_rsb";
> > > +			};
> > > +		};
> > > +
> > > +		r_rsb: rsb@...3400 {
> > > +			compatible = "allwinner,sun8i-a23-rsb";
> > > +			reg = <0x01f03400 0x400>;
> > > +			interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
> > > +			clocks = <&r_ccu 6>;
> > 
> > Please use the defines here..
> 
> Linux-4.12 doesn't yet enter rc1, and the defines are still not in
> Linus's tree.
> 
> Please note that I have already mentioned that this patch is necessary
> to be merged into 4.12, otherwise poweroff won't work properly at 4.12 .

This is too late for 4.12. We don't merge any patch two weeks before
the merge window opens, which makes it around -rc6. This will be 4.13
material, so we'll definitely have the defines by then.

Maxime

-- 
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com

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