Message ID | 1344263246-28036-16-git-send-email-stefano.stabellini@eu.citrix.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
On Mon, Aug 06, 2012 at 03:27:19PM +0100, Stefano Stabellini wrote: > Reset the IRQ_NOAUTOEN and IRQ_NOREQUEST flags that are enabled by > default on ARM. If IRQ_NOAUTOEN is set, __setup_irq doesn't call > irq_startup, that is responsible for calling irq_unmask at startup time. > As a result event channels remain masked. Acked by me. > > Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> > --- > drivers/xen/events.c | 1 + > 1 files changed, 1 insertions(+), 0 deletions(-) > > diff --git a/drivers/xen/events.c b/drivers/xen/events.c > index 5ecb596..8ffb7b7 100644 > --- a/drivers/xen/events.c > +++ b/drivers/xen/events.c > @@ -836,6 +836,7 @@ int bind_evtchn_to_irq(unsigned int evtchn) > struct irq_info *info = info_for_irq(irq); > WARN_ON(info == NULL || info->type != IRQT_EVTCHN); > } > + irq_clear_status_flags(irq, IRQ_NOREQUEST|IRQ_NOAUTOEN); > > out: > mutex_unlock(&irq_mapping_update_lock); > -- > 1.7.2.5
diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 5ecb596..8ffb7b7 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -836,6 +836,7 @@ int bind_evtchn_to_irq(unsigned int evtchn) struct irq_info *info = info_for_irq(irq); WARN_ON(info == NULL || info->type != IRQT_EVTCHN); } + irq_clear_status_flags(irq, IRQ_NOREQUEST|IRQ_NOAUTOEN); out: mutex_unlock(&irq_mapping_update_lock);
Reset the IRQ_NOAUTOEN and IRQ_NOREQUEST flags that are enabled by default on ARM. If IRQ_NOAUTOEN is set, __setup_irq doesn't call irq_startup, that is responsible for calling irq_unmask at startup time. As a result event channels remain masked. Signed-off-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com> --- drivers/xen/events.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-)