[U-Boot] [PATCH v2 02/22] stm32: gpio_direction_output: make sure, output is set to push-pull

Benjamin Tietz uboot at dresden.micronet24.de
Mon Jun 20 20:26:10 CEST 2016


Previously the bit for settting the pin-behaviour was left undefined, which may result in an open-drain behaviour for the affected pin.
Now it is correctly initialized, always.
---
 drivers/gpio/stm32_gpio.c |    1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/gpio/stm32_gpio.c b/drivers/gpio/stm32_gpio.c
index 2457211..d092c8f 100644
--- a/drivers/gpio/stm32_gpio.c
+++ b/drivers/gpio/stm32_gpio.c
@@ -236,6 +236,7 @@ int gpio_direction_output(unsigned gpio, int value)
 #if defined(CONFIG_STM32F4) || defined(CONFIG_STM32F7)
 	ctl.af = STM32_GPIO_AF0;
 	ctl.mode = STM32_GPIO_MODE_OUT;
+	ctl.otype = STM32_GPIO_OTYPE_PP;
 	ctl.pupd = STM32_GPIO_PUPD_NO;
 	ctl.speed = STM32_GPIO_SPEED_50M;
 #elif defined(CONFIG_STM32F1)



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