[PATCH] irqchip/exynos-combiner: remove useless spinlock

[Sebastian Andrzej Siewior]

On 2026-05-22 08:10:12 [+0200], Marek Szyprowski wrote:
> irq_controller_lock doesn't protect anything, it must be some leftover
> from early development or copy/paste. Remove it completely.
> 
> Suggested-by: Thomas Gleixner <tglx at kernel.org>
> Suggested-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>
> Link: https://lore.kernel.org/all/20260520220422.3522908-1-m.szyprowski@samsung.com/
> Fixes: 96031b31a4b3 ("irqchip/exynos-combiner: Switch to raw_spinlock")
> Signed-off-by: Marek Szyprowski <m.szyprowski at samsung.com>

There is a bit of reserch in 20260521090453.bbUZ00tS at linutronix.de why
it is a leftover.

Reviewed-by: Sebastian Andrzej Siewior <bigeasy at linutronix.de>

Sebastian