2017-06-28 05:15:22

by Arvind Yadav

[permalink] [raw]
Subject: [PATCH] drm: tilcdc: tilcdc_tfp410: fsl_raid: make of_device_ids const.

of_device_ids are not supposed to change at runtime. All functions
working with of_device_ids provided by <linux/of.h> work with const
of_device_ids. So mark the non-const structs as const.

File size before:
text data bss dec hex filename
1496 592 0 2088 828 drivers/gpu/drm/tilcdc/tilcdc_tfp410.o

File size after constify:
text data bss dec hex filename
1880 176 0 2056 808 drivers/gpu/drm/tilcdc/tilcdc_tfp410.o

Signed-off-by: Arvind Yadav <[email protected]>
---
drivers/gpu/drm/tilcdc/tilcdc_tfp410.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c
index aabfad8..236ca1e 100644
--- a/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c
+++ b/drivers/gpu/drm/tilcdc/tilcdc_tfp410.c
@@ -290,8 +290,6 @@ static int tfp410_modeset_init(struct tilcdc_module *mod, struct drm_device *dev
* Device:
*/

-static struct of_device_id tfp410_of_match[];
-
static int tfp410_probe(struct platform_device *pdev)
{
struct device_node *node = pdev->dev.of_node;
@@ -376,7 +374,7 @@ static int tfp410_remove(struct platform_device *pdev)
return 0;
}

-static struct of_device_id tfp410_of_match[] = {
+static const struct of_device_id tfp410_of_match[] = {
{ .compatible = "ti,tilcdc,tfp410", },
{ },
};
--
1.9.1