Declare device_type structures as const as they are only stored in the
type field of a device structure. This field is of type const, so add
const to declaration of device_type structures.

File size before:
   text    data     bss     dec     hex filename
  17184    1344      80   18608    48b0 drivers/input/input.o

File size after:
   text    data     bss     dec     hex filename
  17248    1280      80   18608    48b0 drivers/input/input.o

File size before:
   text    data     bss     dec     hex filename
   2355     384       8    2747     abb drivers/input/rmi4/rmi_bus.o

File size after:
   text    data     bss     dec     hex filename
   2483     264       8    2755     ac3 drivers/input/rmi4/rmi_bus.o

Signed-off-by: Bhumika Goyal <bhumi...@gmail.com>
---
 drivers/input/input.c        | 2 +-
 drivers/input/rmi4/rmi_bus.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/input/input.c b/drivers/input/input.c
index d95c34e..6a75bb0 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -1749,7 +1749,7 @@ static int input_dev_poweroff(struct device *dev)
 };
 #endif /* CONFIG_PM */
 
-static struct device_type input_dev_type = {
+static const struct device_type input_dev_type = {
        .groups         = input_dev_attr_groups,
        .release        = input_dev_release,
        .uevent         = input_dev_uevent,
diff --git a/drivers/input/rmi4/rmi_bus.c b/drivers/input/rmi4/rmi_bus.c
index 1c40d94..213e318 100644
--- a/drivers/input/rmi4/rmi_bus.c
+++ b/drivers/input/rmi4/rmi_bus.c
@@ -55,7 +55,7 @@ static void rmi_release_device(struct device *dev)
        kfree(rmi_dev);
 }
 
-static struct device_type rmi_device_type = {
+static const struct device_type rmi_device_type = {
        .name           = "rmi4_sensor",
        .release        = rmi_release_device,
 };
@@ -134,7 +134,7 @@ static void rmi_release_function(struct device *dev)
        kfree(fn);
 }
 
-static struct device_type rmi_function_type = {
+static const struct device_type rmi_function_type = {
        .name           = "rmi4_function",
        .release        = rmi_release_function,
 };
-- 
1.9.1

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