Re: [PATCH 1/1] MIPS: DTS: cavium-octeon: provide model attribute

From	Aaro Koskinen <aaro.koskinen@iki.fi>
Newsgroups	linux.kernel
Subject	Re: [PATCH 1/1] MIPS: DTS: cavium-octeon: provide model attribute
Date	2016-02-15 20:50 +0100
Message-ID	<r2xjI-5z4-9@gated-at.bofh.it> (permalink)
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Hi,

On Mon, Feb 15, 2016 at 08:21:33PM +0100, Heinrich Schuchardt wrote:
> flash-kernel has a database /usr/share/flash-kernel/db/all.db with
> entries like:
> 
> Machine: LeMaker Banana Pi
> Kernel-Flavors: armmp armmp-lpae
> Boot-Script-Path: /boot/boot.scr
> DTB-Id: sun7i-a20-bananapi.dtb
> U-Boot-Script-Name: bootscr.sunxi
> Required-Packages: u-boot-tools
> 
> Machine refers to the value of /proc/device-tree/model.
> DTB-Id is the dtb to be installed.
> 
> So what flash-kernel does is:
> - look up value of /proc/device-tree/model
> - retrieve correlated dtb file name from database
> - install dtb with this name
> - create symbolic links for the dtb
> 
> If multiple boards use the the same dtb that is fine with flash-kernel
> as long as the value of model is unique per dtb.

OCTEON does not work like this. The file you are modifying
(octeon_3xxx.dts) is compiled into the kernel, and there is no external
DTB file. So the model string will be always the same regardless on
which board you have booted the kernel.

A.

Thread

[PATCH 1/1] MIPS: DTS: cavium-octeon: provide model attribute Heinrich Schuchardt <xypron.glpk@gmx.de> - 2016-02-15 06:30 +0100
  Re: [PATCH 1/1] MIPS: DTS: cavium-octeon: provide model attribute Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2016-02-15 12:20 +0100
    Re: [PATCH 1/1] MIPS: DTS: cavium-octeon: provide model attribute Arnd Bergmann <arnd@arndb.de> - 2016-02-15 12:30 +0100
    Re: [PATCH 1/1] MIPS: DTS: cavium-octeon: provide model attribute Heinrich Schuchardt <xypron.glpk@gmx.de> - 2016-02-15 19:00 +0100
      Re: [PATCH 1/1] MIPS: DTS: cavium-octeon: provide model attribute Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> - 2016-02-15 19:20 +0100
        [PATCH 1/1 v2] MIPS: DTS: cavium-octeon: provide model attribute Heinrich Schuchardt <xypron.glpk@gmx.de> - 2016-02-15 19:40 +0100
          Re: [PATCH 1/1 v2] MIPS: DTS: cavium-octeon: provide model attribute David Daney <ddaney.cavm@gmail.com> - 2016-02-17 01:30 +0100
      Re: [PATCH 1/1] MIPS: DTS: cavium-octeon: provide model attribute Aaro Koskinen <aaro.koskinen@iki.fi> - 2016-02-15 19:40 +0100
        Re: [PATCH 1/1] MIPS: DTS: cavium-octeon: provide model attribute Heinrich Schuchardt <xypron.glpk@gmx.de> - 2016-02-15 20:30 +0100
          Re: [PATCH 1/1] MIPS: DTS: cavium-octeon: provide model attribute Aaro Koskinen <aaro.koskinen@iki.fi> - 2016-02-15 20:50 +0100
            Re: [PATCH 1/1] MIPS: DTS: cavium-octeon: provide model attribute Aaro Koskinen <aaro.koskinen@iki.fi> - 2016-02-15 21:00 +0100
            Re: [PATCH 1/1] MIPS: DTS: cavium-octeon: provide model attribute Heinrich Schuchardt <xypron.glpk@gmx.de> - 2016-02-15 21:00 +0100

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