linux-kernel - Re: [PATCH V4 2/7] clocksource: tegra: add Tegra210 timer support

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Message-ID: <20190131112344.GB23438@ulmo>
Date:   Thu, 31 Jan 2019 12:23:44 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Joseph Lo <josephl@...dia.com>
Cc:     Jonathan Hunter <jonathanh@...dia.com>,
        linux-tegra@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Daniel Lezcano <daniel.lezcano@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH V4 2/7] clocksource: tegra: add Tegra210 timer support

On Thu, Jan 31, 2019 at 05:24:05PM +0800, Joseph Lo wrote:
> Add support for the Tegra210 timer that runs at oscillator clock
> (TMR10-TMR13). We need these timers to work as clock event device and to
> replace the ARMv8 architected timer due to it can't survive across the
> power cycle of the CPU core or CPUPORESET signal. So it can't be a wake-up
> source when CPU suspends in power down state.
> 
> Also convert the original driver to use timer-of API.
> 
> Cc: Daniel Lezcano <daniel.lezcano@...aro.org>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Joseph Lo <josephl@...dia.com>
> ---
> v4:
>  * merge timer-tegra210.c in previous version into timer-tegra20.c
> v3:
>  * use timer-of API
> v2:
>  * add error clean-up code
> ---
>  drivers/clocksource/Kconfig         |   2 +-
>  drivers/clocksource/timer-tegra20.c | 369 ++++++++++++++++++++--------
>  include/linux/cpuhotplug.h          |   1 +
>  3 files changed, 272 insertions(+), 100 deletions(-)

Looks good to me:

Acked-by: Thierry Reding <treding@...dia.com>

Thierry

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