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| author | Marek Szyprowski <m.szyprowski@samsung.com> | 2026-05-22 08:10:12 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@kernel.org> | 2026-06-03 18:27:05 +0200 |
| commit | 6fe450074626eaab3def4b3e8c1819d46d2d682c (patch) | |
| tree | 3dd0f6cfad44f27b86dafa625b79ae3f05b4308c | |
| parent | 8d721c08dd67af96664ce381f6b2790d15de7213 (diff) | |
| download | linux-6fe450074626eaab3def4b3e8c1819d46d2d682c.tar.gz linux-6fe450074626eaab3def4b3e8c1819d46d2d682c.zip | |
irqchip/exynos-combiner: Remove useless spinlock
irq_controller_lock doesn't protect anything, it is a leftover from early
development or copy/paste. Remove it completely.
Fixes: 96031b31a4b3 ("irqchip/exynos-combiner: Switch to raw_spinlock")
Suggested-by: Thomas Gleixner <tglx@kernel.org>
Suggested-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Reviewed-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Link: https://lore.kernel.org/all/20260521090453.bbUZ00tS@linutronix.de
Link: https://patch.msgid.link/20260522061012.2687122-1-m.szyprowski@samsung.com/
| -rw-r--r-- | drivers/irqchip/exynos-combiner.c | 4 |
1 files changed, 0 insertions, 4 deletions
diff --git a/drivers/irqchip/exynos-combiner.c b/drivers/irqchip/exynos-combiner.c index 03cafcc5c835..d9d408cb4711 100644 --- a/drivers/irqchip/exynos-combiner.c +++ b/drivers/irqchip/exynos-combiner.c @@ -24,8 +24,6 @@ #define IRQ_IN_COMBINER 8 -static DEFINE_RAW_SPINLOCK(irq_controller_lock); - struct combiner_chip_data { unsigned int hwirq_offset; unsigned int irq_mask; @@ -72,9 +70,7 @@ static void combiner_handle_cascade_irq(struct irq_desc *desc) chained_irq_enter(chip, desc); - raw_spin_lock(&irq_controller_lock); status = readl_relaxed(chip_data->base + COMBINER_INT_STATUS); - raw_spin_unlock(&irq_controller_lock); status &= chip_data->irq_mask; if (status == 0) |