[PATCH] clocksource/drivers/exynos_mct: Use percpu interrupts only on ARM64

Peter Griffin peter.griffin at linaro.org
Tue Sep 23 03:09:53 PDT 2025


On Wed, 27 Aug 2025 at 11:26, Marek Szyprowski <m.szyprowski at samsung.com> wrote:
>
> For some unknown reasons forcing percpu interrupts for local timers
> breaks CPU hotplug for 'little' cores on legacy ARM 32bit Exynos based
> machines (for example Exynos5422-based Odroid-XU3/XU4 boards). Use percpu
> flag only when driver is compiled for newer ARM64 architecture.
>
> Fixes: f3cec54ee3bf ("clocksource/drivers/exynos_mct: Set local timer interrupts as percpu")
> Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>
> ---

Reviewed-by: Peter Griffin <peter.griffin at linaro.org>



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