linux-kernel - Re: [PATCH 0/3] Enable hwlock on Allwinner A64

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Message-ID: <20230214001805.6ead683d@slackpad.lan>
Date:   Tue, 14 Feb 2023 00:18:05 +0000
From:   Andre Przywara <andre.przywara@....com>
To:     Bastian Germann <bage@...ian.org>
Cc:     Wilken Gottwalt <wilken.gottwalt@...teo.net>,
        Ohad Ben-Cohen <ohad@...ery.com>,
        Bjorn Andersson <andersson@...nel.org>,
        Baolin Wang <baolin.wang@...ux.alibaba.com>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Chen-Yu Tsai <wens@...e.org>,
        Samuel Holland <samuel@...lland.org>,
        linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-sunxi@...ts.linux.dev,
        devicetree@...r.kernel.org
Subject: Re: [PATCH 0/3] Enable hwlock on Allwinner A64

On Tue, 14 Feb 2023 00:19:27 +0100
Bastian Germann <bage@...ian.org> wrote:

Hi Bastian,

> The allwinner,sun6i-a31-hwspinlock compatible driver can be used with
> the Allwinner A64 chip. Add the wiring required to enable it.
> 
> The device tree schema needs some work to verify everything that is
> needed by the sun6i hwlock driver.
> 
> The hwlock device was verified to be available with this series applied
> on a Pinebook.

The changes look fine, but are there any actual users of this device?
The missing binding bits you fixed demonstrate that a driver/binding
without actual users can create problems.
So are there Linux/Crust patches out there that use this device?

Cheers,
Andre

> 
> Bastian Germann (3):
>   dt-bindings: hwlock: sun6i: Add missing #hwlock-cells
>   dt-bindings: hwlock: sun6i: Add missing names
>   arm64: dts: allwinner: a64: Add hwspinlock node
> 
>  .../hwlock/allwinner,sun6i-a31-hwspinlock.yaml     | 14 ++++++++++++++
>  arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi      | 10 ++++++++++
>  2 files changed, 24 insertions(+)
>