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 77bf4aa217a8afcb7e8eb505ed2b0f5d9a0542c0..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)
@@ -79,6 +81,7 @@ static struct clocksource clocksource_hpet = {
         .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;