pwm: pxa: Constify OF match table
The table is never modified and all OF functions that use it take a
const struct of_device_id *.
Signed-off-by: Thierry Reding <thierry.reding@gmail.com>
diff --git a/drivers/pwm/pwm-pxa.c b/drivers/pwm/pwm-pxa.c
index 9d702d5..cd356d8 100644
--- a/drivers/pwm/pwm-pxa.c
+++ b/drivers/pwm/pwm-pxa.c
@@ -132,7 +132,7 @@
* code that this is a single channel pxa25x-pwm. Currently all devices are
* supported identically.
*/
-static struct of_device_id pwm_of_match[] = {
+static const struct of_device_id pwm_of_match[] = {
{ .compatible = "marvell,pxa250-pwm", .data = &pwm_id_table[0]},
{ .compatible = "marvell,pxa270-pwm", .data = &pwm_id_table[0]},
{ .compatible = "marvell,pxa168-pwm", .data = &pwm_id_table[0]},