linux-kernel - Re: [PATCH v4 0/2] MediaTek SoC ARM/ARM64 System Timer

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Message-ID: <217695f5-55d3-e347-ea04-d30aaee6e712@collabora.com>
Date:   Fri, 8 Jul 2022 10:45:25 +0200
From:   AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>
To:     daniel.lezcano@...aro.org
Cc:     tglx@...utronix.de, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, matthias.bgg@...il.com,
        linux-kernel@...r.kernel.org, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, konrad.dybcio@...ainline.org,
        marijn.suijten@...ainline.org, martin.botka@...ainline.org,
        ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        paul.bouchara@...ainline.org
Subject: Re: [PATCH v4 0/2] MediaTek SoC ARM/ARM64 System Timer

Il 13/06/22 15:38, AngeloGioacchino Del Regno ha scritto:
> In an effort to give some love to the apparently forgotten MT6795 SoC,
> I am upstreaming more components that are necessary to support platforms
> powered by this one apart from a simple boot to serial console.
> 
> This series introduces support to start the System Timer for the CPU
> cores found in various MediaTek SoCs including, but not limited to the
> MT6795 Helio X10 - and will most probably unblock many developers for
> the upstreaming of various platforms.
> 
> For a broad overview of why/what/when, please look at the description
> of patch [2/2] in this series.
> 
> Tested on a MT6795 Sony Xperia M5 (codename "Holly") smartphone.
> 
> Changes in v4:
>   - Changed statement in documentation, now saying:
>     "MediaTek SoCs have different timers on different platforms"
> 
> Changes in v3:
>   - Merged mtk_cpux_{enable,disable}_irq() as one mtk_cpux_set_irq() function
>     as suggested by Matthias
> 
> Changes in v2:
>   - Added back a lost line in commit 2/2 (sorry, commit didn't get amended...!)
>   - Tested again for safety
> 
> AngeloGioacchino Del Regno (2):
>    dt-bindings: timer: mediatek: Add CPUX System Timer and MT6795
>      compatible
>    clocksource/drivers/timer-mediatek: Implement CPUXGPT timers
> 
>   .../bindings/timer/mediatek,mtk-timer.txt     |   6 +-
>   drivers/clocksource/timer-mediatek.c          | 114 ++++++++++++++++++
>   2 files changed, 119 insertions(+), 1 deletion(-)
> 


Gentle ping for this one - I need it to start upstreaming devicetrees for
that MT6795 Xperia M5 smartphone, or it won't be able to boot.

Thanks,
Angelo