On Tue, Feb 16, 2016 at 05:12:35PM +0800, Bard Liao wrote: > The IRQ pin will go from high to low when the irq bit is clear. > To let the IRQ pin go low as early as possible, move the clear > irq bit function to the beginning of irq handler. Why is this a benefit? We're going to mask the interrupt as long as the interrupt handler is running anyway.
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