diff options
Diffstat (limited to 'drivers/pinctrl/stm32')
| -rw-r--r-- | drivers/pinctrl/stm32/pinctrl-stm32.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/pinctrl/stm32/pinctrl-stm32.c b/drivers/pinctrl/stm32/pinctrl-stm32.c index eb6ae1462f4e..111225ec075c 100644 --- a/drivers/pinctrl/stm32/pinctrl-stm32.c +++ b/drivers/pinctrl/stm32/pinctrl-stm32.c @@ -639,6 +639,11 @@ static int stm32_pmx_set_mux(struct pinctrl_dev *pctldev, } range = pinctrl_find_gpio_range_from_pin(pctldev, g->pin); + if (!range) { + dev_err(pctl->dev, "No gpio range defined.\n"); + return -EINVAL; + } + bank = gpiochip_get_data(range->gc); pin = stm32_gpio_pin(g->pin); @@ -807,11 +812,17 @@ static int stm32_pconf_parse_conf(struct pinctrl_dev *pctldev, unsigned int pin, enum pin_config_param param, enum pin_config_param arg) { + struct stm32_pinctrl *pctl = pinctrl_dev_get_drvdata(pctldev); struct pinctrl_gpio_range *range; struct stm32_gpio_bank *bank; int offset, ret = 0; range = pinctrl_find_gpio_range_from_pin(pctldev, pin); + if (!range) { + dev_err(pctl->dev, "No gpio range defined.\n"); + return -EINVAL; + } + bank = gpiochip_get_data(range->gc); offset = stm32_gpio_pin(pin); @@ -893,6 +904,9 @@ static void stm32_pconf_dbg_show(struct pinctrl_dev *pctldev, bool val; range = pinctrl_find_gpio_range_from_pin_nolock(pctldev, pin); + if (!range) + return; + bank = gpiochip_get_data(range->gc); offset = stm32_gpio_pin(pin); @@ -1173,7 +1187,7 @@ int stm32_pctl_probe(struct platform_device *pdev) return PTR_ERR(pctl->pctl_dev); } - for_each_child_of_node(np, child) + for_each_available_child_of_node(np, child) if (of_property_read_bool(child, "gpio-controller")) banks++; @@ -1186,7 +1200,7 @@ int stm32_pctl_probe(struct platform_device *pdev) if (!pctl->banks) return -ENOMEM; - for_each_child_of_node(np, child) { + for_each_available_child_of_node(np, child) { if (of_property_read_bool(child, "gpio-controller")) { ret = stm32_gpiolib_register_bank(pctl, child); if (ret) |