Messages in this thread | | | Date | Tue, 18 Nov 2014 17:24:55 +0800 | From | "Yun Wu (Abel)" <> | Subject | Re: [patch 01/16] irqdomain: Introduce new interfaces to support hierarchy irqdomains |
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Hi Thomas, Jiang, On 2014/11/12 21:42, Thomas Gleixner wrote:
> From: Jiang Liu <jiang.liu@linux.intel.com> > Index: tip/kernel/irq/chip.c > =================================================================== > --- tip.orig/kernel/irq/chip.c > +++ tip/kernel/irq/chip.c > @@ -15,6 +15,7 @@ > #include <linux/module.h> > #include <linux/interrupt.h> > #include <linux/kernel_stat.h> > +#include <linux/irqdomain.h> > > #include <trace/events/irq.h> > > @@ -178,6 +179,7 @@ int irq_startup(struct irq_desc *desc, b > irq_state_clr_disabled(desc); > desc->depth = 0; > > + irq_domain_activate_irq(&desc->irq_data);
I'm not sure why this is needed, please help me out.. :)
Thanks, Abel
> if (desc->irq_data.chip->irq_startup) { > ret = desc->irq_data.chip->irq_startup(&desc->irq_data); > irq_state_clr_masked(desc); > @@ -199,6 +201,7 @@ void irq_shutdown(struct irq_desc *desc) > desc->irq_data.chip->irq_disable(&desc->irq_data); > else > desc->irq_data.chip->irq_mask(&desc->irq_data); > + irq_domain_deactivate_irq(&desc->irq_data); > irq_state_set_masked(desc); > } >
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