linux-kernel - Re: [PATCH 1/3] ARM: dts: sun8i: r40: Move AHCI device node based on address order

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Message-ID: <CAGb2v66dWGSJD0sS6BmbT6nb3J0xFex=3ATwm2s9Hot4ua4kcw@mail.gmail.com>
Date:   Wed, 11 Mar 2020 22:46:49 +0800
From:   Chen-Yu Tsai <wens@...nel.org>
To:     Andre Przywara <andre.przywara@....com>
Cc:     Chen-Yu Tsai <wens@...nel.org>, Maxime Ripard <mripard@...nel.org>,
        devicetree <devicetree@...r.kernel.org>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH 1/3] ARM: dts: sun8i: r40: Move AHCI device node based on
 address order

On Wed, Mar 11, 2020 at 6:59 PM Andre Przywara <andre.przywara@....com> wrote:
>
> On Wed, 11 Mar 2020 01:47:07 +0800
> Chen-Yu Tsai <wens@...nel.org> wrote:
>
> > From: Chen-Yu Tsai <wens@...e.org>
> >
> > When the AHCI device node was added, it was added in the wrong location
> > in the device tree file. The device nodes should be sorted by register
> > address.
> >
> > Move the device node to before EHCI1, where it belongs.
> >
> > Fixes: 41c64d3318aa ("ARM: dts: sun8i: r40: add sata node")
> > Signed-off-by: Chen-Yu Tsai <wens@...e.org>
> > ---
> >  arch/arm/boot/dts/sun8i-r40.dtsi | 22 +++++++++++-----------
> >  1 file changed, 11 insertions(+), 11 deletions(-)
> >
> > diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
> > index d5442b5b6fd2..b278686d0c22 100644
> > --- a/arch/arm/boot/dts/sun8i-r40.dtsi
> > +++ b/arch/arm/boot/dts/sun8i-r40.dtsi
> > @@ -307,6 +307,17 @@ crypto: crypto@...5000 {
> >                       resets = <&ccu RST_BUS_CE>;
> >               };
> >
> > +             ahci: sata@...8000 {
> > +                     compatible = "allwinner,sun8i-r40-ahci";
> > +                     reg = <0x01c18000 0x1000>;
> > +                     interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>;
> > +                     clocks = <&ccu CLK_BUS_SATA>, <&ccu CLK_SATA>;
> > +                     resets = <&ccu RST_BUS_SATA>;
> > +                     reset-names = "ahci";
> > +                     status = "disabled";
> > +
>
> Did this empty line serve any particular purpose before? If not, you could remove it on the way.

Can't say there is. Removed when applied.

> With that fixed:
>
> Reviewed-by: Andre Przywara <andre.przywara@....com>
>
> Thanks,
> Andre.

Thanks
ChenYu

> > +             };
> > +
> >               ehci1: usb@...9000 {
> >                       compatible = "allwinner,sun8i-r40-ehci", "generic-ehci";
> >                       reg = <0x01c19000 0x100>;
> > @@ -733,17 +744,6 @@ spi3: spi@...f000 {
> >                       #size-cells = <0>;
> >               };
> >
> > -             ahci: sata@...8000 {
> > -                     compatible = "allwinner,sun8i-r40-ahci";
> > -                     reg = <0x01c18000 0x1000>;
> > -                     interrupts = <GIC_SPI 56 IRQ_TYPE_LEVEL_HIGH>;
> > -                     clocks = <&ccu CLK_BUS_SATA>, <&ccu CLK_SATA>;
> > -                     resets = <&ccu RST_BUS_SATA>;
> > -                     reset-names = "ahci";
> > -                     status = "disabled";
> > -
> > -             };
> > -
> >               gmac: ethernet@...0000 {
> >                       compatible = "allwinner,sun8i-r40-gmac";
> >                       syscon = <&ccu>;
>