lkml.org 
[lkml]   [2014]   [Oct]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v4 3/7] genirq: Add more helper functions to support stacked irq_chip
Date
Add more helper function for stacked irq_chip to just call parent's
function.

Signed-off-by: Yingjoe Chen <yingjoe.chen@mediatek.com>
---
include/linux/irq.h | 6 ++++++
kernel/irq/chip.c | 28 ++++++++++++++++++++++++++++
2 files changed, 34 insertions(+)

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 07abf5a..071b1e8 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -437,6 +437,12 @@ extern void handle_nested_irq(unsigned int irq);

#ifdef CONFIG_IRQ_DOMAIN_HIERARCHY
extern void irq_chip_ack_parent(struct irq_data *data);
+extern void irq_chip_mask_parent(struct irq_data *data);
+extern void irq_chip_unmask_parent(struct irq_data *data);
+extern void irq_chip_eoi_parent(struct irq_data *data);
+extern int irq_chip_set_affinity_parent(struct irq_data *data,
+ const struct cpumask *dest,
+ bool force);
extern int irq_chip_retrigger_hierarchy(struct irq_data *data);
#endif

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 58ed9ed..0ecc270 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -829,6 +829,34 @@ void irq_chip_ack_parent(struct irq_data *data)
data->chip->irq_ack(data);
}

+void irq_chip_mask_parent(struct irq_data *data)
+{
+ data = data->parent_data;
+ data->chip->irq_mask(data);
+}
+
+void irq_chip_unmask_parent(struct irq_data *data)
+{
+ data = data->parent_data;
+ data->chip->irq_unmask(data);
+}
+
+void irq_chip_eoi_parent(struct irq_data *data)
+{
+ data = data->parent_data;
+ data->chip->irq_eoi(data);
+}
+
+int irq_chip_set_affinity_parent(struct irq_data *data,
+ const struct cpumask *dest, bool force)
+{
+ data = data->parent_data;
+ if (data->chip->irq_set_affinity)
+ return data->chip->irq_set_affinity(data, dest, force);
+
+ return -ENOSYS;
+}
+
int irq_chip_retrigger_hierarchy(struct irq_data *data)
{
for (data = data->parent_data; data; data = data->parent_data)
--
1.8.1.1.dirty


\
 
 \ /
  Last update: 2014-10-23 18:21    [W:0.137 / U:0.292 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site