From: Thierry Reding <thierry.reding@gmail.com>
To: Joseph Lo <josephl@nvidia.com>
Cc: Jonathan Hunter <jonathanh@nvidia.com>,
linux-tegra@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
Daniel Lezcano <daniel.lezcano@linaro.org>,
Thomas Gleixner <tglx@linutronix.de>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH V4 2/7] clocksource: tegra: add Tegra210 timer support
Date: Thu, 31 Jan 2019 12:23:44 +0100 [thread overview]
Message-ID: <20190131112344.GB23438@ulmo> (raw)
In-Reply-To: <20190131092410.28222-3-josephl@nvidia.com>
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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@linaro.org>
> Cc: Thomas Gleixner <tglx@linutronix.de>
> Cc: linux-kernel@vger.kernel.org
> Signed-off-by: Joseph Lo <josephl@nvidia.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@nvidia.com>
Thierry
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prev parent reply other threads:[~2019-01-31 11:23 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20190131092410.28222-1-josephl@nvidia.com>
2019-01-31 9:24 ` [PATCH V4 1/7] dt-bindings: timer: add Tegra210 timer Joseph Lo
2019-01-31 9:24 ` [PATCH V4 2/7] clocksource: tegra: add Tegra210 timer support Joseph Lo
2019-01-31 11:23 ` Thierry Reding [this message]
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