linux-kernel - Re: [PATCH] clocksource: versatile: Allow CONFIG_CLKSRC

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Message-ID: <1d9c0b7a-cb40-9f66-e438-5e38293398b6@linaro.org>
Date:   Mon, 27 Apr 2020 11:34:11 +0200
From:   Daniel Lezcano <daniel.lezcano@...aro.org>
To:     Rob Herring <robh@...nel.org>
Cc:     linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Thomas Gleixner <tglx@...utronix.de>,
        Linus Walleij <linus.walleij@...aro.org>
Subject: Re: [PATCH] clocksource: versatile: Allow CONFIG_CLKSRC_VERSATILE to
 be disabled

On 17/04/2020 23:20, Rob Herring wrote:
> The timer-versatile driver provides a sched_clock for certain Arm Ltd.
> reference platforms. Specifically, it is used on Versatile and 32-bit
> VExpress. It is not needed for those platforms with an arch timer (all
> the 64-bit ones) yet CONFIG_MFD_VEXPRESS_SYSREG does still need to be
> enabled. In that case, the timer-versatile can only be disabled when
> COMPILE_TEST is enabled which is not desirable. Let's use the sub-arch
> kconfig symbols instead.
> 
> Realview platforms don't have the sysregs that this driver uses so
> correct the help text.
> 
> Cc: Daniel Lezcano <daniel.lezcano@...aro.org>
> Cc: Thomas Gleixner <tglx@...utronix.de>
> Cc: Linus Walleij <linus.walleij@...aro.org>
> Signed-off-by: Rob Herring <robh@...nel.org>
> ---
> This is part of a larger effort to modularize Versatile Express support, 
> but this change doesn't have any dependency, so it can be applied 
> independently.

Applied, thanks

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