linux-kernel - Re: [PATCH v1] clocksource: tegra: Add nvidia,tegra30-timer compat

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Message-ID: <52EFC652.9000209@linaro.org>
Date:	Mon, 03 Feb 2014 17:39:46 +0100
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	Andrew Chew <achew@...dia.com>, tglx@...utronix.de,
	swarren@...dotorg.org, thierry.reding@...il.com,
	abrestic@...omium.org, dgreid@...omium.org, katierh@...omium.org
CC:	linux-kernel@...r.kernel.org, linux-tegra@...r.kernel.org
Subject: Re: [PATCH v1] clocksource: tegra: Add nvidia,tegra30-timer compat

On 01/31/2014 10:29 PM, Andrew Chew wrote:
> There are some differences between tegra20's timer registers and tegra30's
> (and later).  For one thing, the watchdogs don't seem to be present in
> tegra20.

"don't seem", so it is an assumption ?

> Add this compatibility string in order to be able to distinguish
> whether the watchdogs are there or not.

Sorry but I don't get the connection between declaring the tegra30_timer 
and the log. Can you elaborate please ?

> Signed-off-by: Andrew Chew <achew@...dia.com>
> ---
>   drivers/clocksource/tegra20_timer.c | 1 +
>   1 file changed, 1 insertion(+)
>
> diff --git a/drivers/clocksource/tegra20_timer.c b/drivers/clocksource/tegra20_timer.c
> index d1869f0..73cfa56 100644
> --- a/drivers/clocksource/tegra20_timer.c
> +++ b/drivers/clocksource/tegra20_timer.c
> @@ -218,6 +218,7 @@ static void __init tegra20_init_timer(struct device_node *np)
>   					0x1, 0x1fffffff);
>   }
>   CLOCKSOURCE_OF_DECLARE(tegra20_timer, "nvidia,tegra20-timer", tegra20_init_timer);
> +CLOCKSOURCE_OF_DECLARE(tegra30_timer, "nvidia,tegra30-timer", tegra20_init_timer);
>
>   static void __init tegra20_init_rtc(struct device_node *np)
>   {
>


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