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drivers: pinmux: stm32: remove runtime PM get/put guards

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The PM runtime API (get/put) provides an inline implementation when not
built-in. Such implementation always returns 1, so it is safe to not
guard PM runtime calls and check for < 0.

Signed-off-by: Gerard Marull-Paretas <gerard.marull@nordicsemi.no>
This commit is contained in:
Gerard Marull-Paretas 2021-11-25 11:58:13 +01:00 • committed by Carles Cufí
commit 392b20f2a5
2 changed files with 5 additions and 17 deletions
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10
drivers/pinctrl/pinctrl_stm32.c
View file

@ -146,7 +146,7 @@ static int stm32_pins_remap(const pinctrl_soc_pin_t *pins, uint8_t pin_cnt)
static int stm32_pin_configure(uint32_t pin, uint32_t func, uint32_t altf)
{
const struct device *port_device;
int ret = 0;
int ret;
if (STM32_PORT(pin) >= gpio_ports_cnt) {
return -EINVAL;
@ -158,20 +158,14 @@ static int stm32_pin_configure(uint32_t pin, uint32_t func, uint32_t altf)
return -ENODEV;
}
#ifdef CONFIG_PM_DEVICE_RUNTIME
ret = pm_device_runtime_get(port_device);
if (ret < 0) {
return ret;
}
#endif
gpio_stm32_configure(port_device, STM32_PIN(pin), func, altf);
#ifdef CONFIG_PM_DEVICE_RUNTIME
ret = pm_device_runtime_put(port_device);
#endif
return ret;
return pm_device_runtime_put(port_device);
}
int pinctrl_configure_pins(const pinctrl_soc_pin_t *pins, uint8_t pin_cnt,

12
drivers/pinmux/pinmux_stm32.c
View file

@ -92,7 +92,7 @@ SYS_INIT(stm32_pinmux_init_remap, PRE_KERNEL_1,
static int stm32_pin_configure(uint32_t pin, uint32_t func, uint32_t altf)
{
const struct device *port_device;
int ret = 0;
int ret;
if (STM32_PORT(pin) >= STM32_PORTS_MAX) {
return -EINVAL;
@ -104,20 +104,14 @@ static int stm32_pin_configure(uint32_t pin, uint32_t func, uint32_t altf)
return -ENODEV;
}
#ifdef CONFIG_PM_DEVICE_RUNTIME
ret = pm_device_runtime_get(port_device);
if (ret != 0) {
if (ret < 0) {
return ret;
}
#endif
gpio_stm32_configure(port_device, STM32_PIN(pin), func, altf);
#ifdef CONFIG_PM_DEVICE_RUNTIME
ret = pm_device_runtime_put(port_device);
#endif
return ret;
return pm_device_runtime_put(port_device);
}
/**