return 0;
}
-static void at91_pmx_disable(struct pinctrl_dev *pctldev, unsigned selector,
- unsigned group)
-{
- struct at91_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
- const struct at91_pmx_pin *pins_conf = info->groups[group].pins_conf;
- const struct at91_pmx_pin *pin;
- uint32_t npins = info->groups[group].npins;
- int i;
- unsigned mask;
- void __iomem *pio;
-
- for (i = 0; i < npins; i++) {
- pin = &pins_conf[i];
- at91_pin_dbg(info->dev, pin);
- pio = pin_to_controller(info, pin->bank);
- mask = pin_to_mask(pin->pin);
- at91_mux_gpio_enable(pio, mask, 1);
- }
-}
-
static int at91_pmx_get_funcs_count(struct pinctrl_dev *pctldev)
{
struct at91_pinctrl *info = pinctrl_dev_get_drvdata(pctldev);
.get_function_name = at91_pmx_get_func_name,
.get_function_groups = at91_pmx_get_groups,
.enable = at91_pmx_enable,
- .disable = at91_pmx_disable,
.gpio_request_enable = at91_gpio_request_enable,
.gpio_disable_free = at91_gpio_disable_free,
};
struct seq_file *s, unsigned pin_id)
{
unsigned long config;
- int ret, val, num_conf = 0;
+ int val, num_conf = 0;
- ret = at91_pinconf_get(pctldev, pin_id, &config);
+ at91_pinconf_get(pctldev, pin_id, &config);
DBG_SHOW_FLAG(MULTI_DRIVE);
DBG_SHOW_FLAG(PULL_UP);
/* Initialise function */
func->name = np->name;
func->ngroups = of_get_child_count(np);
- if (func->ngroups <= 0) {
+ if (func->ngroups == 0) {
dev_err(info->dev, "no groups defined\n");
return -EINVAL;
}