linux-kernel - [V9 PATCH 1/2] genirq: Add irq_chip_set_type

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Message-ID: <1414743990-28421-2-git-send-email-suravee.suthikulpanit@amd.com>
Date:	Fri, 31 Oct 2014 03:26:29 -0500
From:	<suravee.suthikulpanit@....com>
To:	<marc.zyngier@....com>, <mark.rutland@....com>,
	<jason@...edaemon.net>, <tglx@...utronix.de>
CC:	<Catalin.Marinas@....com>, <Will.Deacon@....com>,
	<liviu.dudau@....com>, <Harish.Kasiviswanathan@....com>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-pci@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<linux-doc@...r.kernel.org>, <devicetree@...r.kernel.org>,
	"Suravee Suthikulpanit" <Suravee.Suthikulpanit@....com>,
	Suravee Suthikulpanit <suravee.suthikulpanit@....com>
Subject: [V9 PATCH 1/2] genirq: Add irq_chip_set_type_parent function

From: Suravee Suthikulpanit <Suravee.Suthikulpanit@....com>

Add a helper function to set irq type in parent irq domain.

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@....com>
---
 include/linux/irq.h |  1 +
 kernel/irq/chip.c   | 10 ++++++++++
 2 files changed, 11 insertions(+)

diff --git a/include/linux/irq.h b/include/linux/irq.h
index 6159256..e3952fa 100644
--- a/include/linux/irq.h
+++ b/include/linux/irq.h
@@ -440,6 +440,7 @@ 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_type_parent(struct irq_data *data, unsigned int type);
 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);
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 0ecc270..b24eca3 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -847,6 +847,16 @@ void irq_chip_eoi_parent(struct irq_data *data)
 	data->chip->irq_eoi(data);
 }
 
+int irq_chip_set_type_parent(struct irq_data *data, unsigned int type)
+{
+	data = data->parent_data;
+
+	if (data->chip && data->chip->irq_set_type)
+		return data->chip->irq_set_type(data, type);
+
+	return -ENOSYS;
+}
+
 int irq_chip_set_affinity_parent(struct irq_data *data,
 				 const struct cpumask *dest, bool force)
 {
-- 
1.9.3

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