2 files changed, 5 insertions, 3 deletions

diff --git a/drivers/acpi/device_sysfs.c b/drivers/acpi/device_sysfs.c
index 8940054d6250..78c2653bf020 100644
--- a/drivers/acpi/device_sysfs.c
+++ b/drivers/acpi/device_sysfs.c
@@ -428,8 +428,10 @@ static ssize_t acpi_device_adr_show(struct device *dev,
 {
         struct acpi_device *acpi_dev = to_acpi_device(dev);
 
-        return sprintf(buf, "0x%08x\n",
-                       (unsigned int)(acpi_dev->pnp.bus_address));
+        if (acpi_dev->pnp.bus_address > U32_MAX)
+                return sprintf(buf, "0x%016llx\n", acpi_dev->pnp.bus_address);
+        else
+                return sprintf(buf, "0x%08llx\n", acpi_dev->pnp.bus_address);
 }
 static DEVICE_ATTR(adr, 0444, acpi_device_adr_show, NULL);
 
diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h
index 2a462cf4eaa9..52d4375bde9d 100644
--- a/include/acpi/acpi_bus.h
+++ b/include/acpi/acpi_bus.h
@@ -230,7 +230,7 @@ struct acpi_device_dir {
 /* Plug and Play */
 
 typedef char acpi_bus_id[8];
-typedef unsigned long acpi_bus_address;
+typedef u64 acpi_bus_address;
 typedef char acpi_device_name[40];
 typedef char acpi_device_class[20];