Merge branch 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip into next

Pull core irq updates from Thomas Gleixner:
 "The irq department delivers:

   - Another tree wide update to get rid of the horrible create_irq
     interface along with its even more horrible variants.  That also
     gets rid of the last leftovers of the initial sparse irq hackery.
     arch/driver specific changes have been either acked or ignored.

   - A fix for the spurious interrupt detection logic with threaded
     interrupts.

   - A new ARM SoC interrupt controller

   - The usual pile of fixes and improvements all over the place"

* 'irq-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (40 commits)
  Documentation: brcmstb-l2: Add Broadcom STB Level-2 interrupt controller binding
  irqchip: brcmstb-l2: Add Broadcom Set Top Box Level-2 interrupt controller
  genirq: Improve documentation to match current implementation
  ARM: iop13xx: fix msi support with sparse IRQ
  genirq: Provide !SMP stub for irq_set_affinity_notifier()
  irqchip: armada-370-xp: Move the devicetree binding documentation
  irqchip: gic: Use mask field in GICC_IAR
  genirq: Remove dynamic_irq mess
  ia64: Use irq_init_desc
  genirq: Replace dynamic_irq_init/cleanup
  genirq: Remove irq_reserve_irq[s]
  genirq: Replace reserve_irqs in core code
  s390: Avoid call to irq_reserve_irqs()
  s390: Remove pointless arch_show_interrupts()
  s390: pci: Check return value of alloc_irq_desc() proper
  sh: intc: Remove pointless irq_reserve_irqs() invocation
  x86, irq: Remove pointless irq_reserve_irqs() call
  genirq: Make create/destroy_irq() ia64 private
  tile: Use SPARSE_IRQ
  tile: pci: Use irq_alloc/free_hwirq()
  ...

1 files changed, 3 insertions, 37 deletions

diff --git a/arch/tile/kernel/irq.c b/arch/tile/kernel/irq.c
index 906a76b..637f2ff 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