linux-kernel - [tip:irq/core] genirq: Provide compat handling for chip->set

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Message-ID: <tip-2f7e99bb9be6a2d8d7b808dc86037710cc8b7bf1@git.kernel.org>
Date:	Mon, 4 Oct 2010 20:34:46 GMT
From:	tip-bot for Thomas Gleixner <tglx@...utronix.de>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, hpa@...or.com, mingo@...hat.com,
	peterz@...radead.org, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:irq/core] genirq: Provide compat handling for chip->set_wake()

Commit-ID:  2f7e99bb9be6a2d8d7b808dc86037710cc8b7bf1
Gitweb:     http://git.kernel.org/tip/2f7e99bb9be6a2d8d7b808dc86037710cc8b7bf1
Author:     Thomas Gleixner <tglx@...utronix.de>
AuthorDate: Mon, 27 Sep 2010 12:45:50 +0000
Committer:  Thomas Gleixner <tglx@...utronix.de>
CommitDate: Mon, 4 Oct 2010 12:43:48 +0200

genirq: Provide compat handling for chip->set_wake()

Wrap the old chip function set_wake() until the migration is complete
and the old chip functions are removed.

Signed-off-by: Thomas Gleixner <tglx@...utronix.de>
Cc: Peter Zijlstra <peterz@...radead.org>
LKML-Reference: <20100927121842.927527393@...utronix.de>
Reviewed-by: H. Peter Anvin <hpa@...or.com>
Reviewed-by: Ingo Molnar <mingo@...e.hu>
---
 kernel/irq/chip.c   |    7 +++++++
 kernel/irq/manage.c |    4 ++--
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index b7dd02a..8775dd3 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -381,6 +381,11 @@ static int compat_irq_set_type(struct irq_data *data, unsigned int type)
 	return data->chip->set_type(data->irq, type);
 }
 
+static int compat_irq_set_wake(struct irq_data *data, unsigned int on)
+{
+	return data->chip->set_wake(data->irq, on);
+}
+
 static void compat_bus_lock(struct irq_data *data)
 {
 	data->chip->bus_lock(data->irq);
@@ -451,6 +456,8 @@ void irq_chip_set_defaults(struct irq_chip *chip)
 		chip->irq_set_affinity = compat_irq_set_affinity;
 	if (chip->set_type)
 		chip->irq_set_type = compat_irq_set_type;
+	if (chip->set_wake)
+		chip->irq_set_wake = compat_irq_set_wake;
 }
 
 static inline void mask_ack_irq(struct irq_desc *desc)
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 3618362..644e8d5 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -337,8 +337,8 @@ static int set_irq_wake_real(unsigned int irq, unsigned int on)
 	struct irq_desc *desc = irq_to_desc(irq);
 	int ret = -ENXIO;
 
-	if (desc->irq_data.chip->set_wake)
-		ret = desc->irq_data.chip->set_wake(irq, on);
+	if (desc->irq_data.chip->irq_set_wake)
+		ret = desc->irq_data.chip->irq_set_wake(&desc->irq_data, on);
 
 	return ret;
 }
--
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