pinctrl: sh-pfc: ARM: Constify pins and cfg_regs arrays
The arrays are never modified, declare them as const.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/drivers/pinctrl/sh-pfc/pfc-r8a7740.c b/drivers/pinctrl/sh-pfc/pfc-r8a7740.c
index a189b96..f4d3024 100644
--- a/drivers/pinctrl/sh-pfc/pfc-r8a7740.c
+++ b/drivers/pinctrl/sh-pfc/pfc-r8a7740.c
@@ -1543,7 +1543,7 @@
#define R8A7740_PIN_O(pin) SH_PFC_PIN_CFG(pin, __O)
#define R8A7740_PIN_O_PU_PD(pin) SH_PFC_PIN_CFG(pin, __O | __PUD)
-static struct sh_pfc_pin pinmux_pins[] = {
+static const struct sh_pfc_pin pinmux_pins[] = {
/* Table 56-1 (I/O and Pull U/D) */
R8A7740_PIN_IO_PD(0), R8A7740_PIN_IO_PD(1),
R8A7740_PIN_IO_PD(2), R8A7740_PIN_IO_PD(3),