Pull style into test branch

[pandora-kernel.git] / drivers / acpi / acpi_memhotplug.c

diff --git a/drivers/acpi/acpi_memhotplug.c b/drivers/acpi/acpi_memhotplug.c
index 1368783..150112a 100644 (file)
--- a/drivers/acpi/acpi_memhotplug.c
+++ b/drivers/acpi/acpi_memhotplug.c
@@ -85,6 +85,8 @@ struct acpi_memory_device {
        struct list_head res_list;
 };
 
+static int acpi_hotmem_initialized;
+
 static acpi_status
 acpi_memory_get_resource(struct acpi_resource *resource, void *context)
 {
@@ -414,7 +416,7 @@ static int acpi_memory_device_add(struct acpi_device *device)
        /* Set the device state */
        mem_device->state = MEMORY_POWER_ON_STATE;
 
-       printk(KERN_INFO "%s \n", acpi_device_name(device));
+       printk(KERN_DEBUG "%s \n", acpi_device_name(device));
 
        return result;
 }
@@ -438,6 +440,15 @@ static int acpi_memory_device_start (struct acpi_device *device)
        struct acpi_memory_device *mem_device;
        int result = 0;
 
+       /*
+        * Early boot code has recognized memory area by EFI/E820.
+        * If DSDT shows these memory devices on boot, hotplug is not necessary
+        * for them. So, it just returns until completion of this driver's
+        * start up.
+        */
+       if (!acpi_hotmem_initialized)
+               return 0;
+
        mem_device = acpi_driver_data(device);
 
        if (!acpi_memory_check_device(mem_device)) {
@@ -537,6 +548,7 @@ static int __init acpi_memory_device_init(void)
                return -ENODEV;
        }
 
+       acpi_hotmem_initialized = 1;
        return 0;
 }