On 08/13/2015 11:58 AM, Sudeep Holla wrote:
On 12/08/15 18:45, Grygorii Strashko wrote:
It's expected to use this helper when the current
domain doesn't implement .irq_set_type(), but expect
the parent to do so.
Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>
---
include/linux/irq.h | 1 +
kernel/irq/chip.c | 20 ++++++++++++++++++++
2 files changed, 21 insertions(+)
diff --git a/include/linux/irq.h b/include/linux/irq.h
index 92188b0..51744bc 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -484,6 +484,7 @@ extern int irq_chip_set_affinity_parent(struct
irq_data *data,
extern int irq_chip_set_wake_parent(struct irq_data *data, unsigned
int on);
extern int irq_chip_set_vcpu_affinity_parent(struct irq_data *data,
void *vcpu_info);
+extern int irq_chip_set_type_parent(struct irq_data *data, unsigned
int type);
#endif
/* Handling of unhandled and spurious interrupts: */
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index bdb1b9d..b48938b 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -985,6 +985,26 @@ int irq_chip_set_affinity_parent(struct irq_data
*data,
}
/**
+ * irq_chip_set_type_parent - Set IRQ type on the parent interrupt
+ * @data: Pointer to interrupt specific data
+ * @type: IRQ_TYPE_{LEVEL,EDGE}_* value - see include/linux/irq.h
+ *
+ * Conditional, as the underlying parent chip might not implement it.
+ */
+int irq_chip_set_type_parent(struct irq_data *data, unsigned int type)
+{
+ data = data->parent_data;
+
+ if (irq_data_get_irq_chip(data)->flags & IRQCHIP_SKIP_SET_WAKE)
+ return 0;
+
I think this is unrelated here(perhaps copy-paste error ?). I fail to
see how wakeup and trigger type are related.
Oh. Yes, it's copy-paste error. thanks, will fix.
--
regards,
-grygorii
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