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由 Linus Walleij 提交于
This lets the gpiolib core handle the irqchip set-up and chained IRQ on the primary (behind the mux) IRQ chip in the st pinctrl driver. Default irq type is set to level low at irqchip add time. The v1 was sent by Linus (https://lkml.org/lkml/2014/4/4/287). Two changes were necessary to make it to work properly on STiH416: 1 - dev reference was not passed to the gpio_chip struct, causing a panic. 2 - gpiochip_irqchip_add passed IRQ_TYPE_NONE as default type, which caused lot of warnings at init time. I choose IRQ_TYPE_LEVEL_LOW as default. Cc: Srinivas Kandagatla <srinivas.kandagatla@gmail.com> Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: NLinus Walleij <linus.walleij@linaro.org> Signed-off-by: NMaxime COQUELIN <maxime.coquelin@st.com>
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