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Diffstat (limited to 'arch/tile/kernel/irq.c')
-rw-r--r--arch/tile/kernel/irq.c40
1 files changed, 3 insertions, 37 deletions
diff --git a/arch/tile/kernel/irq.c b/arch/tile/kernel/irq.c
index 906a76bdb31d..637f2ffaa5f5 100644
--- a/arch/tile/kernel/irq.c
+++ b/arch/tile/kernel/irq.c
@@ -54,13 +54,6 @@ static DEFINE_PER_CPU(unsigned long, irq_disable_mask)
*/
static DEFINE_PER_CPU(int, irq_depth);
-/* State for allocating IRQs on Gx. */
-#if CHIP_HAS_IPI()
-static unsigned long available_irqs = ((1UL << NR_IRQS) - 1) &
- (~(1UL << IRQ_RESCHEDULE));
-static DEFINE_SPINLOCK(available_irqs_lock);
-#endif
-
#if CHIP_HAS_IPI()
/* Use SPRs to manipulate device interrupts. */
#define mask_irqs(irq_mask) __insn_mtspr(SPR_IPI_MASK_SET_K, irq_mask)
@@ -278,38 +271,11 @@ int arch_show_interrupts(struct seq_file *p, int prec)
return 0;
}
-/*
- * Generic, controller-independent functions:
- */
-
#if CHIP_HAS_IPI()
-int create_irq(void)
+int arch_setup_hwirq(unsigned int irq, int node)
{
- unsigned long flags;
- int result;
-
- spin_lock_irqsave(&available_irqs_lock, flags);
- if (available_irqs == 0)
- result = -ENOMEM;
- else {
- result = __ffs(available_irqs);
- available_irqs &= ~(1UL << result);
- dynamic_irq_init(result);
- }
- spin_unlock_irqrestore(&available_irqs_lock, flags);
-
- return result;
+ return irq >= NR_IRQS ? -EINVAL : 0;
}
-EXPORT_SYMBOL(create_irq);
-void destroy_irq(unsigned int irq)
-{
- unsigned long flags;
-
- spin_lock_irqsave(&available_irqs_lock, flags);
- available_irqs |= (1UL << irq);
- dynamic_irq_cleanup(irq);
- spin_unlock_irqrestore(&available_irqs_lock, flags);
-}
-EXPORT_SYMBOL(destroy_irq);
+void arch_teardown_hwirq(unsigned int irq) { }
#endif