linux-kernel - Re: Re: [PATCH v7 1/8] dt-bindings: mtd: Describe Rockchip RK3xxx NAND flash controller【请注意，邮件由robherring2@...il.com代发】

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Message-ID: <CAL_Jsq+5pgsLNS5t=d2yzYukjXurr2B3pUdb_gejqwA7Tv-7mQ@mail.gmail.com>
Date:   Thu, 16 Jul 2020 10:33:22 -0600
From:   Rob Herring <robh@...nel.org>
To:     赵仪峰 <yifeng.zhao@...k-chips.com>
Cc:     devicetree <devicetree@...r.kernel.org>,
        linux-arm-kernel <linux-arm-kernel@...ts.infradead.org>,
        vigneshr <vigneshr@...com>,
        HeikoStübner <heiko@...ech.de>,
        richard <richard@....at>,
        Miquel Raynal <miquel.raynal@...tlin.com>,
        linux-kernel <linux-kernel@...r.kernel.org>,
        linux-mtd <linux-mtd@...ts.infradead.org>,
        linux-rockchip <linux-rockchip@...ts.infradead.org>
Subject: Re: Re: [PATCH v7 1/8] dt-bindings: mtd: Describe Rockchip RK3xxx NAND flash controller【请注意，邮件由robherring2@...il.com代发】

On Wed, Jul 15, 2020 at 8:04 PM 赵仪峰 <yifeng.zhao@...k-chips.com> wrote:
>
> Hi Rob,
>
> >On Wed, 15 Jul 2020 17:03:39 +0800, Yifeng Zhao wrote:
> >> Documentation support for Rockchip RK3xxx NAND flash controllers
> >>
> >> Signed-off-by: Yifeng Zhao <yifeng.zhao@...k-chips.com>
> >> ---
> >>
> >> Changes in v7:
> >> - Fix some wrong define
> >>
> >> Changes in v6:
> >> - Fix some wrong define
> >> - Modified the definition of compatible
> >>
> >> Changes in v5:
> >> - Fix some wrong define.
> >> - Add boot-medium define.
> >> - Remove some compatible define.
> >>
> >> Changes in v4:
> >> - The compatible define with rkxx_nfc.
> >> - Add assigned-clocks.
> >> - Fix some wrong defineChanges in.
> >>
> >> Changes in v3:
> >> - Change the title for the dt-bindings.
> >>
> >> Changes in v2: None
> >>
> >>  .../mtd/rockchip,nand-controller.yaml         | 162 ++++++++++++++++++
> >>  1 file changed, 162 insertions(+)
> >>  create mode 100644 Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml
> >>
> >
> >
> >My bot found errors running 'make dt_binding_check' on your patch:
> >
> >/builds/robherring/linux-dt-review/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.example.dt.yaml: example-0: nand-controller@...b0000:reg:0: [0, 4283105280, 0, 16384] is too long
> >
> >
> >See https://patchwork.ozlabs.org/patch/1329325
> >
> >If you already ran 'make dt_binding_check' and didn't see the above
> >error(s), then make sure dt-schema is up to date:
> >
> >pip3 install git+https://github.com/devicetree-org/dt-schema.git@master --upgrade
> >
> >Please check and re-submit.
>
> make ARCH=arm64 dt_binding_check DT_SCHEMA_FILES=Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml
>   HOSTCC  scripts/basic/fixdep
>   HOSTCC  scripts/dtc/dtc.o
>   HOSTCC  scripts/dtc/flattree.o
>   HOSTCC  scripts/dtc/fstree.o
>   HOSTCC  scripts/dtc/data.o
>   HOSTCC  scripts/dtc/livetree.o
>   HOSTCC  scripts/dtc/treesource.o
>   HOSTCC  scripts/dtc/srcpos.o
>   HOSTCC  scripts/dtc/checks.o
>   HOSTCC  scripts/dtc/util.o
>   LEX     scripts/dtc/dtc-lexer.lex.c
>   YACC    scripts/dtc/dtc-parser.tab.[ch]
>   HOSTCC  scripts/dtc/dtc-lexer.lex.o
>   HOSTCC  scripts/dtc/dtc-parser.tab.o
>   HOSTCC  scripts/dtc/yamltree.o
>   HOSTLD  scripts/dtc/dtc
>   CHKDT   Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml
>   SCHEMA  Documentation/devicetree/bindings/processed-schema-examples.yaml
>   DTC     Documentation/devicetree/bindings/mtd/rockchip,nand-controller.example.dt.yaml
>   CHECK   Documentation/devicetree/bindings/mtd/rockchip,nand-controller.example.dt.yaml
> /home/yifeng/work/linux/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.example.dt.yaml: example-0: nand-controller@...b0000:reg:0: [0, 4283105280, 0, 16384] is too long
>
> I already ran the "make dt_binding_check" before submit this patch and found this issue.
> The dts examples is for RK3308, ARCH=arm64, and the reg define is correct.
> I thought there was something wrong with the check， or something configuration I missed.
> Please give me some suggestions.
>
>
> diff --git a/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml b/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml
> index 493705a55638..b9d7a8c79402 100644
> --- a/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml
> +++ b/Documentation/devicetree/bindings/mtd/rockchip,nand-controller.yaml
> @@ -132,7 +132,7 @@ examples:
>      nfc: nand-controller@...b0000 {
>        compatible = "rockchip,rk3308-nfc",
>                     "rockchip,rv1108-nfc";
> -      reg = <0x0 0xff4b0000 0x0 0x4000>;
> +      reg = <0xff4b0000 0x4000>;

This is the right fix. Or you can define a parent node with cell sizes of 2.

The example is just an example and doesn't have to match exactly what
you do in the dts files.

>        interrupts = <GIC_SPI 81 IRQ_TYPE_LEVEL_HIGH>;
>        clocks = <&cru HCLK_NANDC>, <&cru SCLK_NANDC>;
>        clock-names = "ahb", "nfc";