Sorry, update the patch. On Tue, 2012-09-18 at 20:54 +0800, Chuansheng Liu wrote: > In handle_edge_irq(), currently do not care about the flag IRQS_ONESHOT, > but there are many edge interrupt handler with irq thread need it indeed, > so implement here. > > Signed-off-by: liu chuansheng <[email protected]> > --- > kernel/irq/chip.c | 8 +++++++- > 1 files changed, 7 insertions(+), 1 deletions(-) >
In handle_edge_irq(), currently do not care about the flag IRQS_ONESHOT, but there are many edge interrupt handler with irq thread need it indeed, so implement here. Signed-off-by: liu chuansheng <[email protected]> --- kernel/irq/chip.c | 8 +++++++- 1 files changed, 7 insertions(+), 1 deletions(-) mode change 100644 => 100755 kernel/irq/chip.c diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c old mode 100644 new mode 100755 index eebd6d5..04da0d7 --- a/kernel/irq/chip.c +++ b/kernel/irq/chip.c @@ -497,7 +497,13 @@ handle_edge_irq(unsigned int irq, struct irq_desc *desc) kstat_incr_irqs_this_cpu(irq, desc); /* Start handling the irq */ - desc->irq_data.chip->irq_ack(&desc->irq_data); + if (desc->istate & IRQS_ONESHOT) { + mask_ack_irq(desc); + handle_irq_event(desc); + cond_unmask_irq(desc); + goto out_unlock; + } else + desc->irq_data.chip->irq_ack(&desc->irq_data); do { if (unlikely(!desc->action)) { -- 1.7.0.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
