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GPIO hardware block is directly linked to EXTI block but EXTI handles external interrupts only on edge. To be able to handle GPIO interrupt on level a "hack" is done in gpio irq chip: parent interrupt (exti irq chip) is retriggered following interrupt type and gpio line value. Signed-off-by: Alexandre Torgue <alexandre.torgue@st.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Tested-by: Marek Vasut <marex@denx.de> Reviewed-by: Linus Walleij <linus.walleij@linaro.org> Link: https://lore.kernel.org/r/20200219143229.18084-3-alexandre.torgue@st.com |
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| .. | ||
| Kconfig | ||
| Makefile | ||
| pinctrl-stm32.c | ||
| pinctrl-stm32.h | ||
| pinctrl-stm32f429.c | ||
| pinctrl-stm32f469.c | ||
| pinctrl-stm32f746.c | ||
| pinctrl-stm32f769.c | ||
| pinctrl-stm32h743.c | ||
| pinctrl-stm32mp157.c | ||