Merge branch 'cpus4096-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel...
[firefly-linux-kernel-4.4.55.git] / arch / x86 / kernel / hpet.c
index 067d8de913f612d45018090a1fae4e5cc920462f..cd759ad90690e72d109aed4309adeb87755977e5 100644 (file)
@@ -33,7 +33,9 @@
  * HPET address is set in acpi/boot.c, when an ACPI entry exists
  */
 unsigned long                          hpet_address;
-unsigned long                          hpet_num_timers;
+#ifdef CONFIG_PCI_MSI
+static unsigned long                   hpet_num_timers;
+#endif
 static void __iomem                    *hpet_virt_address;
 
 struct hpet_dev {
@@ -246,7 +248,7 @@ static void hpet_legacy_clockevent_register(void)
         * Start hpet with the boot cpu mask and make it
         * global after the IO_APIC has been initialized.
         */
-       hpet_clockevent.cpumask = cpumask_of_cpu(smp_processor_id());
+       hpet_clockevent.cpumask = cpumask_of(smp_processor_id());
        clockevents_register_device(&hpet_clockevent);
        global_clock_event = &hpet_clockevent;
        printk(KERN_DEBUG "hpet clockevent registered\n");
@@ -301,7 +303,7 @@ static void hpet_set_mode(enum clock_event_mode mode,
                        struct hpet_dev *hdev = EVT_TO_HPET_DEV(evt);
                        hpet_setup_msi_irq(hdev->irq);
                        disable_irq(hdev->irq);
-                       irq_set_affinity(hdev->irq, cpumask_of_cpu(hdev->cpu));
+                       irq_set_affinity(hdev->irq, cpumask_of(hdev->cpu));
                        enable_irq(hdev->irq);
                }
                break;
@@ -449,7 +451,7 @@ static int hpet_setup_irq(struct hpet_dev *dev)
                return -1;
 
        disable_irq(dev->irq);
-       irq_set_affinity(dev->irq, cpumask_of_cpu(dev->cpu));
+       irq_set_affinity(dev->irq, cpumask_of(dev->cpu));
        enable_irq(dev->irq);
 
        printk(KERN_DEBUG "hpet: %s irq %d for MSI\n",
@@ -500,7 +502,7 @@ static void init_one_hpet_msi_clockevent(struct hpet_dev *hdev, int cpu)
        /* 5 usec minimum reprogramming delta. */
        evt->min_delta_ns = 5000;
 
-       evt->cpumask = cpumask_of_cpu(hdev->cpu);
+       evt->cpumask = cpumask_of(hdev->cpu);
        clockevents_register_device(evt);
 }
 
@@ -811,7 +813,7 @@ int __init hpet_enable(void)
 
 out_nohpet:
        hpet_clear_mapping();
-       boot_hpet_disable = 1;
+       hpet_address = 0;
        return 0;
 }
 
@@ -834,10 +836,11 @@ static __init int hpet_late_init(void)
 
                hpet_address = force_hpet_address;
                hpet_enable();
-               if (!hpet_virt_address)
-                       return -ENODEV;
        }
 
+       if (!hpet_virt_address)
+               return -ENODEV;
+
        hpet_reserve_platform_timers(hpet_readl(HPET_ID));
 
        for_each_online_cpu(cpu) {