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@@ -345,7 +345,7 @@ static rt_err_t _pin_attach_irq(struct rt_device *device, rt_int32_t pin,
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if (pin_irq_hdr_tab[hdr_index].pin != -1)
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if (pin_irq_hdr_tab[hdr_index].pin != -1)
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{
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{
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rt_hw_interrupt_enable(level);
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rt_hw_interrupt_enable(level);
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- return RT_EFULL;
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+ return -RT_EFULL;
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}
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}
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pin_irq_hdr_tab[hdr_index].pin = pin;
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pin_irq_hdr_tab[hdr_index].pin = pin;
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pin_irq_hdr_tab[hdr_index].hdr = hdr;
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pin_irq_hdr_tab[hdr_index].hdr = hdr;
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