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Message-ID: <20190930222020.GA13078@bogus>
Date:   Mon, 30 Sep 2019 17:20:20 -0500
From:   Rob Herring <robh@...nel.org>
To:     Tony Lindgren <tony@...mide.com>
Cc:     Matt Mackall <mpm@...enic.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        linux-kernel@...r.kernel.org, linux-omap@...r.kernel.org,
        linux-crypto@...r.kernel.org, devicetree@...r.kernel.org,
        Aaro Koskinen <aaro.koskinen@....fi>,
        Adam Ford <aford173@...il.com>,
        Pali Rohár <pali.rohar@...il.com>,
        Tero Kristo <t-kristo@...com>
Subject: Re: [PATCH 2/7] hwrng: omap3-rom - Fix missing clock by probing with
 device tree

On Sat, 14 Sep 2019 14:02:55 -0700, Tony Lindgren wrote:
> Commit 0ed266d7ae5e ("clk: ti: omap3: cleanup unnecessary clock aliases")
> removed old omap3 clock framework aliases but caused omap3-rom-rng to
> stop working with clock not found error.
> 
> Based on discussions on the mailing list it was requested by Tero Kristo
> that it would be best to fix this issue by probing omap3-rom-rng using
> device tree to provide a proper clk property. The other option would be
> to add back the missing clock alias, but that does not help moving things
> forward with removing old legacy platform_data.
> 
> Let's also add a proper device tree binding and keep it together with
> the fix.
> 
> Cc: devicetree@...r.kernel.org
> Cc: Aaro Koskinen <aaro.koskinen@....fi>
> Cc: Adam Ford <aford173@...il.com>
> Cc: Pali Rohár <pali.rohar@...il.com>
> Cc: Rob Herring <robh+dt@...nel.org>
> Cc: Sebastian Reichel <sre@...nel.org>
> Cc: Tero Kristo <t-kristo@...com>
> Fixes: 0ed266d7ae5e ("clk: ti: omap3: cleanup unnecessary clock aliases")
> Reported-by: Aaro Koskinen <aaro.koskinen@....fi>
> Signed-off-by: Tony Lindgren <tony@...mide.com>
> ---
>  .../devicetree/bindings/rng/omap3_rom_rng.txt | 27 +++++++++++++++++++
>  arch/arm/boot/dts/omap3-n900.dts              |  6 +++++
>  arch/arm/mach-omap2/pdata-quirks.c            | 12 +--------
>  drivers/char/hw_random/omap3-rom-rng.c        | 17 ++++++++++--
>  4 files changed, 49 insertions(+), 13 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/rng/omap3_rom_rng.txt
> 

Acked-by: Rob Herring <robh@...nel.org>

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