linux-kernel - Re: [PATCH] ARM: dts: omap5: Add l4 interconnect hierarchy and ti-sysc data

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Date:   Wed, 12 Dec 2018 12:46:02 +0200
From:   Peter Ujfalusi <peter.ujfalusi@...com>
To:     Tony Lindgren <tony@...mide.com>, <linux-omap@...r.kernel.org>
CC:     Dave Gerlach <d-gerlach@...com>, Faiz Abbas <faiz_abbas@...com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Keerthy <j-keerthy@...com>, Nishanth Menon <nm@...com>,
        Suman Anna <s-anna@...com>, Tero Kristo <t-kristo@...com>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>
Subject: Re: [PATCH] ARM: dts: omap5: Add l4 interconnect hierarchy and
 ti-sysc data



On 12/12/2018 12.12, Peter Ujfalusi wrote:
> Tony,
> 
> On 16/11/2018 0.45, Tony Lindgren wrote:
>> Similar to commit 8f42cb7f64c7 ("ARM: dts: omap4: Add l4 interconnect
>> hierarchy and ti-sysc data"), let's add proper interconnect hierarchy
>> for l4 interconnect instances with the related ti-sysc interconnect
>> module data as in Documentation/devicetree/bindings/bus/ti-sysc.txt.
>>
>> Using ti-sysc driver binding allows us to start dropping legacy platform
>> data in arch/arm/mach-omap2/omap*hwmod*data.c files later on in favor of
>> ti-sysc dts data.
>>
>> This data is generated based on platform data from a booted system
>> and the interconnect acces protection registers for ranges. To avoid
>> regressions, we initially validate the device tree provided data
>> against the existing platform data on boot.
> 
> Reverting this patch in linux-next-20181210 will make the ethernet
> working again.
> 
> bootlog w/ revert: https://pastebin.com/dpRk1xWv
> bootlog w/o revert: https://pastebin.com/PWrBttxd

on omap5-uevm.

- Péter

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