add xenomai

hc

2024-11-01 2f529f9b558ca1c1bd74be7437a84e4711743404

 kernel/drivers/irqchip/exynos-combiner.c
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@@ -24,7 +24,7 @@
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 #define IRQ_IN_COMBINER		8
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-static DEFINE_SPINLOCK(irq_controller_lock);
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+static DEFINE_HARD_SPINLOCK(irq_controller_lock);
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 struct combiner_chip_data {
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 	unsigned int hwirq_offset;
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@@ -71,9 +71,9 @@
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 	chained_irq_enter(chip, desc);
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-	spin_lock(&irq_controller_lock);
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+	raw_spin_lock(&irq_controller_lock);
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 	status = readl_relaxed(chip_data->base + COMBINER_INT_STATUS);
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-	spin_unlock(&irq_controller_lock);
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+	raw_spin_unlock(&irq_controller_lock);
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 	status &= chip_data->irq_mask;
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 	if (status == 0)
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@@ -113,6 +113,7 @@
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 #ifdef CONFIG_SMP
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 	.irq_set_affinity	= combiner_set_affinity,
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 #endif
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+	.flags			= IRQCHIP_PIPELINE_SAFE,
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 };
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 static void __init combiner_cascade_irq(struct combiner_chip_data *combiner_data,