This "const" claims the get_function_groups callback never changes the given num_groups pointer. It is always true in C language, so not worth mentioning. Signed-off-by: Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx> --- include/linux/pinctrl/pinmux.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/linux/pinctrl/pinmux.h b/include/linux/pinctrl/pinmux.h index 511bda9..d6e52cb 100644 --- a/include/linux/pinctrl/pinmux.h +++ b/include/linux/pinctrl/pinmux.h @@ -66,7 +66,7 @@ struct pinmux_ops { int (*get_function_groups) (struct pinctrl_dev *pctldev, unsigned selector, const char * const **groups, - unsigned * const num_groups); + unsigned *num_groups); int (*set_mux) (struct pinctrl_dev *pctldev, unsigned func_selector, unsigned group_selector); int (*gpio_request_enable) (struct pinctrl_dev *pctldev, -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-gpio" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html