On 04/02/2013 01:40:37 AM, Wang Dongsheng wrote:
Add irq_set_wake support. Just add IRQF_NO_SUSPEND to
desc->action->flag.
So the wake up interrupt will not be disable in suspend_device_irqs.
Signed-off-by: Wang Dongsheng <dongsheng.w...@freescale.com>
---
v2:
* Add: Check freescale chip in mpic_irq_set_wake().
* Remove: Support mpic_irq_set_wake() in ht_chip.
arch/powerpc/sysdev/mpic.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 3b2efd4..50d1ee1 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -920,6 +920,22 @@ int mpic_set_irq_type(struct irq_data *d,
unsigned int flow_type)
return IRQ_SET_MASK_OK_NOCOPY;
}
+static int mpic_irq_set_wake(struct irq_data *d, unsigned int on)
+{
+ struct irq_desc *desc = container_of(d, struct irq_desc,
irq_data);
+ struct mpic *mpic = mpic_from_irq_data(d);
+
+ if (!(mpic->flags & MPIC_FSL))
+ return -EINVAL;
I was thinking more along the lines of using MPIC_FSL during init to
decide whether to write this function to .irq_set_wake, though that
could probably wait until there's a second type of MPIC that needs this
(if ever).
-Scott
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