Re: [PATCH v2 1/3] clocksource: tegra: Add nvidia,tegra30-timer compat

From: Stephen Warren
Date: Wed Feb 05 2014 - 16:02:02 EST

On 02/03/2014 05:17 PM, Andrew Chew wrote:
> There are some differences between tegra20's timer registers and tegra30's
> (and later). For example, tegra30 has more timers. In addition, watchdogs
> are not present in tegra20.
> Add this compatibility string in order to be able to distinguish
> whether the additional timers and watchdogs are there or not.

> diff --git a/drivers/clocksource/tegra20_timer.c b/drivers/clocksource/tegra20_timer.c

> CLOCKSOURCE_OF_DECLARE(tegra20_timer, "nvidia,tegra20-timer", tegra20_init_timer);
> +CLOCKSOURCE_OF_DECLARE(tegra30_timer, "nvidia,tegra30-timer", tegra20_init_timer);

Thinking about this more, nothing in this driver actually cares about
Tegra20 vs. Tegra30+, since the timer that's used is present in all
chips. Hence, this patch isn't needed.

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