Messages in this thread | | | Date | Thu, 14 Dec 2006 12:26:12 +0100 (MET) | From | Jan Engelhardt <> | Subject | Re: [GIT PATCH] more Driver core patches for 2.6.19 |
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> irqreturn_t uio_handler(...) { > disable interrupts for this dev; > set a flag that notifies userspace the next best time; > seomstruct->flag |= IRQ_ARRIVED; > return IRQ_HANDLED; > }
Rather than IRQ_HANDLED, it should have been: remove this irq handler from the irq handlers for irq number N, so that it does not get called again until userspace has acked it.
See, maybe I don't have enough clue yet to exactly figure out why you say it does not work. However, this is how simple people see it 8)
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