iio: industrialio-trigger: constify device_type structures

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

File size before:
   text	   data	    bss	    dec	    hex	filename
   5389	    208	     48	   5645	   160d	iio/industrialio-trigger.o

File size after:
   text	   data	    bss	    dec	    hex	filename
   5453	    176	     48	   5677	   162d	iio/industrialio-trigger.o

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>

diff --git a/drivers/iio/industrialio-trigger.c b/drivers/iio/industrialio-trigger.c
index d0d869eb48f77b63e4cf871fdb59ee0003ebb0ad..54c4d5854ff0455d845003815067701544189d41 100644 (file)
--- a/drivers/iio/industrialio-trigger.c
+++ b/drivers/iio/industrialio-trigger.c
@@ -492,7 +492,7 @@ static void iio_trig_release(struct device *device)
        kfree(trig);
 }
 
-static struct device_type iio_trig_type = {
+static const struct device_type iio_trig_type = {
        .release = iio_trig_release,
        .groups = iio_trig_dev_groups,
 };