'struct ti_iodelay_reg_data' is not modified in this driver. Constifying this structure moves some data to a read-only section, so increase overall security. On a x86_64, with allmodconfig: Before: ====== text data bss dec hex filename 17259 1788 16 19063 4a77 drivers/pinctrl/ti/pinctrl-ti-iodelay.o After: ===== text data bss dec hex filename 17355 1692 16 19063 4a77 drivers/pinctrl/ti/pinctrl-ti-iodelay.o Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx> --- Compile tested-only. --- drivers/pinctrl/ti/pinctrl-ti-iodelay.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/pinctrl/ti/pinctrl-ti-iodelay.c b/drivers/pinctrl/ti/pinctrl-ti-iodelay.c index 451801acdc40..65f9439d0d5b 100644 --- a/drivers/pinctrl/ti/pinctrl-ti-iodelay.c +++ b/drivers/pinctrl/ti/pinctrl-ti-iodelay.c @@ -783,7 +783,7 @@ static struct regmap_config dra7_iodelay_regmap_config = { .max_register = 0xd1c, }; -static struct ti_iodelay_reg_data dra7_iodelay_data = { +static const struct ti_iodelay_reg_data dra7_iodelay_data = { .signature_mask = 0x0003f000, .signature_value = 0x29, .lock_mask = 0x00000400, -- 2.45.2