[PATCH] input: constify device_type structures

From: Bhumika Goyal
Date: Mon Jan 23 2017 - 14:01:23 EST


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 <bhumirks@xxxxxxxxx>
---
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