x86, irq: Remove arch_probe_nr_irqs

So keep nr_irqs == NR_IRQS.  With radix trees is matters less.

Signed-off-by: Yinghai Lu <yinghai@kernel.org>
LKML-Reference: <1265793639-15071-33-git-send-email-yinghai@kernel.org>
Signed-off-by: H. Peter Anvin <hpa@zytor.com>

diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index f5e4033..c64ddd9 100644 (file)
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -3826,28 +3826,6 @@ void __init probe_nr_irqs_gsi(void)
        printk(KERN_DEBUG "nr_irqs_gsi: %d\n", nr_irqs_gsi);
 }
 
-#ifdef CONFIG_SPARSE_IRQ
-int __init arch_probe_nr_irqs(void)
-{
-       int nr;
-
-       if (nr_irqs > (NR_VECTORS * nr_cpu_ids))
-               nr_irqs = NR_VECTORS * nr_cpu_ids;
-
-       nr = nr_irqs_gsi + 8 * nr_cpu_ids;
-#if defined(CONFIG_PCI_MSI) || defined(CONFIG_HT_IRQ)
-       /*
-        * for MSI and HT dyn irq
-        */
-       nr += nr_irqs_gsi * 16;
-#endif
-       if (nr < nr_irqs)
-               nr_irqs = nr;
-
-       return 0;
-}
-#endif
-
 static int __io_apic_set_pci_routing(struct device *dev, int irq,
                                struct io_apic_irq_attr *irq_attr)
 {