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由 Shawn Guo 提交于
The mx3_gpio_irq_handler() is also called on imx6q which has GIC as the primary interrupt controller. As GIC implements the fasteoi flow control, we need to add chained_irq_enter/exit() to mx3_gpio_irq_handler() for signaling EOI, otherwise system will hang whenever there is a gpio irq triggered. v2: use chained_irq_{enter,exit}() Signed-off-by: NShawn Guo <shawn.guo@linaro.org> Signed-off-by: NGrant Likely <grant.likely@secretlab.ca>
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