[PATCH v5 00/26] Fix watchdog on Renesas R-Car Gen2 and RZ/G1

Geert Uytterhoeven geert at linux-m68k.org
Wed Apr 18 06:37:29 PDT 2018


Hi Simon,

On Tue, Mar 13, 2018 at 9:05 PM, Simon Horman <horms at verge.net.au> wrote:
> I understand that the watchdog driver has been accepted and that as things
> currently stand if it is enabled in the build it will be enabled in DT and
> a crash will result. From my POV that is a regression so I have decided
> to adopt the alternate plan proposed by Geert above: in short drop DT
> patches (to avoid enabling broken driver) and enqueue mach-shmobile
> patches (which don't make things any worse.
>
> Patch-by-patch things are as follows.
>
> Dropped from "[PATCH v5 00/26] Fix watchdog on Renesas R-Car Gen2 and RZ/G1":
>
> 979d28f29742 ARM: dts: r8a7743: Adjust SMP routine size
> 0b205f679f5d ARM: dts: r8a7745: Adjust SMP routine size
> 2ad21a1d78b3 ARM: dts: r8a7790: Adjust SMP routine size
> 82c978459c77 ARM: dts: r8a7791: Adjust SMP routine size
> d303698e6ff3 ARM: dts: r8a7792: Adjust SMP routine size
> d8b8b9a1e295 ARM: dts: r8a7793: Adjust SMP routine size
> 70b3ab369773 ARM: dts: r8a7794: Adjust SMP routine size
>
> ebf26cf1b1de ARM: dts: r8a7743: Add watchdog support to SoC dtsi
> 5a4566ab3777 ARM: dts: r8a7745: Add watchdog support to SoC dtsi
> acd58e2bb1e5 ARM: dts: r8a7790: Add watchdog support to SoC dtsi
> e3f89168e72f ARM: dts: r8a7791: Add watchdog support to SoC dtsi
> e76a6a69a1fc ARM: dts: r8a7794: Add watchdog support to SoC dtsi
> 242cc1ab7f7c ARM: dts: iwg20m: Add watchdog support to SoM dtsi
> 748ed07f6c7c ARM: dts: iwg22m: Add watchdog support to SoM dtsi
>
>
> Dropped from "[PATCH/RFC 00/11] ARM: dts: rcar-gen2: Enable watchdog support":
>
> c257202482e2 ARM: dts: r8a7792: Add RWDT node
> 01ec04dec8eb ARM: dts: r8a7793: Add RWDT node
> 8e6ebe4f2f94 ARM: dts: lager: Enable watchdog support
> f223ad0198f6 ARM: dts: koelsch: Enable watchdog support
> 1d14d2bb700d ARM: dts: porter: Enable watchdog support
> bf71652fc955 ARM: dts: blanche: Enable watchdog support
> 13a0b10aeea4 ARM: dts: wheat: Enable watchdog support
> 4e247bf110b8 ARM: dts: gose: Enable watchdog support
> 2dcbd24bbf5e ARM: dts: alt: Enable watchdog support
> 7f6844c900b4 ARM: dts: silk: Enable watchdog support
>
> And applied:
>
> [v5] ARM: shmobile: rcar-gen2: Add watchdog support
> [v5] ARM: shmobile: Add watchdog support
>
> In the case of the last patch above I removed the #ifdef from the header file.

I guess the time is ripe to apply the DTS patches again, in the following order:
  1. SMP routine size adjustments,
  2. Watchdog support additions to dtsi,
  3. Watchdog enablement for dts?

Thanks!

Gr{oetje,eeting}s,

                        Geert

-- 
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert at linux-m68k.org

In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
                                -- Linus Torvalds



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