linux-kernel - Re: [PATCH v2] clocksource: sp804: Make user selectable

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Message-ID: <2b946a68-dcdd-4a1e-b7c3-416725033c2e@linaro.org>
Date: Mon, 8 Jul 2024 18:49:38 +0200
From: Daniel Lezcano <daniel.lezcano@...aro.org>
To: Mark Brown <broonie@...nel.org>, Thomas Gleixner <tglx@...utronix.de>,
 David Abdurachmanov <david.abdurachmanov@...il.com>
Cc: Sudeep Holla <sudeep.holla@....com>,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
 Ross Burton <ross.burton@....com>
Subject: Re: [PATCH v2] clocksource: sp804: Make user selectable

On 29/05/2024 21:48, Mark Brown wrote:
> The sp804 is currently only user selectable if COMPILE_TEST, this was
> done by commit dfc82faad725 ("clocksource/drivers/sp804: Add
> COMPILE_TEST to CONFIG_ARM_TIMER_SP804") in order to avoid it being
> spuriously offered on platforms that won't have the hardware since it's
> generally only seen on Arm based platforms.  This config is overly
> restrictive, while platforms that rely on the SP804 do select it in
> their Kconfig there are others such as the Arm fast models which have a
> SP804 available but currently unused by Linux.  Relax the dependency to
> allow it to be user selectable on arm and arm64 to avoid surprises and
> in case someone comes up with a use for extra timer hardware.

Would it make sense to add the option in the platform so it selects the 
timer ?

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