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From: Emil Renner Berthing <emil.renner.berthing@canonical.com>
In-Reply-To: <20231219145402.7879-3-xingyu.wu@starfivetech.com>
References: <20231219145402.7879-1-xingyu.wu@starfivetech.com> <20231219145402.7879-3-xingyu.wu@starfivetech.com>
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Date: Wed, 20 Dec 2023 05:59:37 -0800
Message-ID: <CAJM55Z_X9b=TJt7343kQ68ndN1MvH-rFM9hyEZMJRvQnOk72Yg@mail.gmail.com>
Subject: Re: [PATCH v8 2/3] clocksource: Add JH7110 timer driver
To: Xingyu Wu <xingyu.wu@starfivetech.com>, Daniel Lezcano <daniel.lezcano@linaro.org>, 
	Thomas Gleixner <tglx@linutronix.de>, 
	Emil Renner Berthing <emil.renner.berthing@canonical.com>, 
	Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Cc: linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, 
	Rob Herring <robh+dt@kernel.org>, 
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>, 
	Paul Walmsley <paul.walmsley@sifive.com>, Palmer Dabbelt <palmer@dabbelt.com>, 
	Albert Ou <aou@eecs.berkeley.edu>, Philipp Zabel <p.zabel@pengutronix.de>, 
	Walker Chen <walker.chen@starfivetech.com>, linux-kernel@vger.kernel.org, 
	Conor Dooley <conor@kernel.org>
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Xingyu Wu wrote:
> Add timer driver for the StarFive JH7110 SoC and select it by
> CONFIG_SOC_STARFIVE.
>
> This timer has four free-running and independent 32-bit counters.
> Each channel(counter) can trigger an interrupt when timeout even
> CPU is sleeping. So this timer is used as global timer and register
> clockevent for each CPU core after riscv-timer registration on the
> StarFive JH7110 SoC.
>
> Signed-off-by: Xingyu Wu <xingyu.wu@starfivetech.com>
> ---
>  MAINTAINERS                        |   7 +
>  arch/riscv/Kconfig.socs            |   1 +
>  drivers/clocksource/Kconfig        |   9 +
>  drivers/clocksource/Makefile       |   1 +
>  drivers/clocksource/timer-jh7110.c | 360 +++++++++++++++++++++++++++++
>  include/linux/cpuhotplug.h         |   1 +
>  6 files changed, 379 insertions(+)
>  create mode 100644 drivers/clocksource/timer-jh7110.c
>
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 9104430e148e..fe0e803606a5 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -20617,6 +20617,13 @@ S:	Maintained
>  F:	Documentation/devicetree/bindings/sound/starfive,jh7110-tdm.yaml
>  F:	sound/soc/starfive/jh7110_tdm.c
>
> +STARFIVE JH7110 TIMER DRIVER
> +M:	Samin Guo <samin.guo@starfivetech.com>

Last time I sent a mail to samin.guo@starfivetech.com it bounced. Was that just
a temporary error?

/Emil

> +M:	Xingyu Wu <xingyu.wu@starfivetech.com>
> +S:	Supported
> +F:	Documentation/devicetree/bindings/timer/starfive,jh7110-timer.yaml
> +F:	drivers/clocksource/timer-jh7110.c
> +
>  STARFIVE JH71X0 CLOCK DRIVERS
>  M:	Emil Renner Berthing <kernel@esmil.dk>
>  M:	Hal Feng <hal.feng@starfivetech.com>