[PATCH] pinctrl: single: make two arrays static const, reduces object code size

[Colin King]

From: Colin Ian King <colin.k...@canonical.com>

Don't populate the read-only arrays prop2 and prop4 on the stack, instead
make them static const.  Makes the object code smaller by over 230 bytes:

Before:
   text    data     bss     dec     hex filename
  28235    5820     192   34247    85c7 drivers/pinctrl/pinctrl-single.o

After:
   text    data     bss     dec     hex filename
  27839    5980     192   34011    84db drivers/pinctrl/pinctrl-single.o

Signed-off-by: Colin Ian King <colin.k...@canonical.com>
---
 drivers/pinctrl/pinctrl-single.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pinctrl/pinctrl-single.c b/drivers/pinctrl/pinctrl-single.c
index b8b3d932cd73..e6cd8de793e2 100644
--- a/drivers/pinctrl/pinctrl-single.c
+++ b/drivers/pinctrl/pinctrl-single.c
@@ -873,13 +873,13 @@ static int pcs_parse_pinconf(struct pcs_device *pcs, 
struct device_node *np,
        int i = 0, nconfs = 0;
        unsigned long *settings = NULL, *s = NULL;
        struct pcs_conf_vals *conf = NULL;
-       struct pcs_conf_type prop2[] = {
+       static const struct pcs_conf_type prop2[] = {
                { "pinctrl-single,drive-strength", PIN_CONFIG_DRIVE_STRENGTH, },
                { "pinctrl-single,slew-rate", PIN_CONFIG_SLEW_RATE, },
                { "pinctrl-single,input-schmitt", PIN_CONFIG_INPUT_SCHMITT, },
                { "pinctrl-single,low-power-mode", PIN_CONFIG_LOW_POWER_MODE, },
        };
-       struct pcs_conf_type prop4[] = {
+       static const struct pcs_conf_type prop4[] = {
                { "pinctrl-single,bias-pullup", PIN_CONFIG_BIAS_PULL_UP, },
                { "pinctrl-single,bias-pulldown", PIN_CONFIG_BIAS_PULL_DOWN, },
                { "pinctrl-single,input-schmitt-enable",
-- 
2.14.1