linux-kernel - Re: [PATCH] ARM: dts: r8a779x: add '#reset-cells' in cpg-mssr

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Tue, 10 Oct 2017 11:07:14 +0200
From:   Arnd Bergmann <arnd@...db.de>
To:     Simon Horman <horms@...ge.net.au>,
        Magnus Damm <magnus.damm@...il.com>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
Cc:     Arnd Bergmann <arnd@...db.de>,
        Geert Uytterhoeven <geert+renesas@...der.be>,
        Sergei Shtylyov <sergei.shtylyov@...entembedded.com>,
        Marc Zyngier <marc.zyngier@....com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Linux-Renesas <linux-renesas-soc@...r.kernel.org>,
        DTML <devicetree@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ARM: dts: r8a779x: add '#reset-cells' in cpg-mssr

On Tue, Oct 10, 2017 at 10:45 AM, Arnd Bergmann <arnd@...db.de> wrote:
> With the latest dtc, we get many warnings about the missing
> '#reset-cells' property in these controllers, e.g.:
>
> arch/arm/boot/dts/r8a7790-lager.dtb: Warning (resets_property): Missing property '#reset-cells' in node /clock-controller@...50000 or bad phandle (referred from /can@...80000:resets[0])
> arch/arm/boot/dts/r8a7792-blanche.dtb: Warning (resets_property): Missing property '#reset-cells' in node /soc/clock-controller@...50000 or bad phandle (referred from /soc/dma-controller@...00000:resets[0])
> arch/arm/boot/dts/r8a7792-wheat.dtb: Warning (resets_property): Missing property '#reset-cells' in node /soc/clock-controller@...50000 or bad phandle (referred from /soc/ethernet@...00000:resets[0])
> arch/arm/boot/dts/r8a7793-gose.dtb: Warning (resets_property): Missing property '#reset-cells' in node /clock-controller@...50000 or bad phandle (referred from /gpio@...50000:resets[0])
> arch/arm/boot/dts/r8a7794-alt.dtb: Warning (resets_property): Missing property '#reset-cells' in node /clock-controller@...50000 or bad phandle (referred from /i2c@...00000:resets[0])
> arch/arm/boot/dts/r8a7794-silk.dtb: Warning (resets_property): Missing property '#reset-cells' in node /clock-controller@...50000 or bad phandle (referred from /interrupt-controller@...c0000:resets[0])
>
> This adds it for the three r8a779x chips that were lacking it. The
> binding mandates this as <1>, so this is the value I use.
>
> Signed-off-by: Arnd Bergmann <arnd@...db.de>
> ---
>  arch/arm/boot/dts/r8a7790.dtsi | 1 +
>  arch/arm/boot/dts/r8a7792.dtsi | 1 +
>  arch/arm/boot/dts/r8a7794.dtsi | 1 +

It seems I missed the same problem in r8a7793. I'll do some more tests to
see if there is more of the same, and will send an updated patch once
I'm more confident I have the right version.

       Arnd