rt2x00: Correctly initialize data and desc pointer

[linux-2.6-omap-h63xx.git] / drivers / char / hpet.c

diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index ba0e74ad74bbbc778eb485ed95ae089b15cab6a1..4c16778e3f846dd97937a79e2c4b38bd30f5accc 100644 (file)
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -62,6 +62,8 @@
 
 static u32 hpet_nhpet, hpet_max_freq = HPET_USER_FREQ;
 
+/* This clocksource driver currently only works on ia64 */
+#ifdef CONFIG_IA64
 static void __iomem *hpet_mctr;
 
 static cycle_t read_hpet(void)
@@ -73,12 +75,13 @@ static struct clocksource clocksource_hpet = {
         .name           = "hpet",
         .rating         = 250,
         .read           = read_hpet,
-        .mask           = 0xffffffffffffffff,
+        .mask           = CLOCKSOURCE_MASK(64),
         .mult           = 0, /*to be caluclated*/
         .shift          = 10,
         .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
 };
 static struct clocksource *hpet_clocksource;
+#endif
 
 /* A lock for concurrent access by app and isr hpet activity. */
 static DEFINE_SPINLOCK(hpet_lock);
@@ -909,6 +912,8 @@ int hpet_alloc(struct hpet_data *hdp)
 
        hpetp->hp_delta = hpet_calibrate(hpetp);
 
+/* This clocksource driver currently only works on ia64 */
+#ifdef CONFIG_IA64
        if (!hpet_clocksource) {
                hpet_mctr = (void __iomem *)&hpetp->hp_hpet->hpet_mc;
                CLKSRC_FSYS_MMIO_SET(clocksource_hpet.fsys_mmio, hpet_mctr);
@@ -918,6 +923,7 @@ int hpet_alloc(struct hpet_data *hdp)
                hpetp->hp_clocksource = &clocksource_hpet;
                hpet_clocksource = &clocksource_hpet;
        }
+#endif
 
        return 0;
 }
@@ -940,14 +946,14 @@ static acpi_status hpet_resources(struct acpi_resource *res, void *data)
                        printk(KERN_DEBUG "%s: 0x%lx is busy\n",
                                __FUNCTION__, hdp->hd_phys_address);
                        iounmap(hdp->hd_address);
-                       return -EBUSY;
+                       return AE_ALREADY_EXISTS;
                }
        } else if (res->type == ACPI_RESOURCE_TYPE_FIXED_MEMORY32) {
                struct acpi_resource_fixed_memory32 *fixmem32;
 
                fixmem32 = &res->data.fixed_memory32;
                if (!fixmem32)
-                       return -EINVAL;
+                       return AE_NO_MEMORY;
 
                hdp->hd_phys_address = fixmem32->address;
                hdp->hd_address = ioremap(fixmem32->address,
@@ -957,7 +963,7 @@ static acpi_status hpet_resources(struct acpi_resource *res, void *data)
                        printk(KERN_DEBUG "%s: 0x%lx is busy\n",
                                __FUNCTION__, hdp->hd_phys_address);
                        iounmap(hdp->hd_address);
-                       return -EBUSY;
+                       return AE_ALREADY_EXISTS;
                }
        } else if (res->type == ACPI_RESOURCE_TYPE_EXTENDED_IRQ) {
                struct acpi_resource_extended_irq *irqp;
@@ -1007,9 +1013,15 @@ static int hpet_acpi_remove(struct acpi_device *device, int type)
        return -EINVAL;
 }
 
+static const struct acpi_device_id hpet_device_ids[] = {
+       {"PNP0103", 0},
+       {"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, hpet_device_ids);
+
 static struct acpi_driver hpet_acpi_driver = {
        .name = "hpet",
-       .ids = "PNP0103",
+       .ids = hpet_device_ids,
        .ops = {
                .add = hpet_acpi_add,
                .remove = hpet_acpi_remove,