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authorIngo Molnar <mingo@kernel.org>2015-08-31 10:25:26 +0200
committerIngo Molnar <mingo@kernel.org>2015-08-31 10:25:26 +0200
commit02b643b643254ec79b5f9aaa143e10be68eabdab (patch)
tree57ec83eebab74324465199a3f52f4f7862177ee6 /kernel/irq/chip.c
parentd1ee8bc195ffedbf91af0245a2406d6ebd2578f8 (diff)
parent4c09e0d6ba65507a0ee0ca9abc5335e4f7bd7404 (diff)
downloadblackbird-op-linux-02b643b643254ec79b5f9aaa143e10be68eabdab.tar.gz
blackbird-op-linux-02b643b643254ec79b5f9aaa143e10be68eabdab.zip
Merge branch 'perf/urgent' into perf/core, to pick up fixes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'kernel/irq/chip.c')
-rw-r--r--kernel/irq/chip.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 27f4332c7f84..ae216824e8ca 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -985,6 +985,23 @@ 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 (data->chip->irq_set_type)
+ return data->chip->irq_set_type(data, type);
+
+ return -ENOSYS;
+}
+
+/**
* irq_chip_retrigger_hierarchy - Retrigger an interrupt in hardware
* @data: Pointer to interrupt specific data
*
@@ -997,7 +1014,7 @@ int irq_chip_retrigger_hierarchy(struct irq_data *data)
if (data->chip && data->chip->irq_retrigger)
return data->chip->irq_retrigger(data);
- return -ENOSYS;
+ return 0;
}
/**
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