[tip:irq/core] genirq: Provide compat handling for chip->retrigger()

tip-bot for Thomas Gleixner
2010-10-04T20:35:30Z

Commit-ID: 21e2b8c62cca8f7dbec0c8c131ca1637e4a5670f
Gitweb: http://git.kernel.org/tip/21e2b8c62cca8f7dbec0c8c131ca1637e4a5670f
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Mon, 27 Sep 2010 12:45:53 +0000
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Mon, 4 Oct 2010 12:43:50 +0200

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

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

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
LKML-Reference: <20100927121843.025801092@linutronix.de>
Reviewed-by: H. Peter Anvin <hpa@zytor.com>
Reviewed-by: Ingo Molnar <mingo@elte.hu>
---
kernel/irq/chip.c | 7 +++++++
kernel/irq/resend.c | 4 ++--
2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 8775dd3..f2c4d28 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -386,6 +386,11 @@ static int compat_irq_set_wake(struct irq_data *data, unsigned int on)
return data->chip->set_wake(data->irq, on);
}

+static int compat_irq_retrigger(struct irq_data *data)
+{
+ return data->chip->retrigger(data->irq);
+}
+
static void compat_bus_lock(struct irq_data *data)
{
data->chip->bus_lock(data->irq);
@@ -458,6 +463,8 @@ void irq_chip_set_defaults(struct irq_chip *chip)
chip->irq_set_type = compat_irq_set_type;
if (chip->set_wake)
chip->irq_set_wake = compat_irq_set_wake;
+ if (chip->retrigger)
+ chip->irq_retrigger = compat_irq_retrigger;
}

static inline void mask_ack_irq(struct irq_desc *desc)
diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c
index a798a23..891115a 100644
--- a/kernel/irq/resend.c
+++ b/kernel/irq/resend.c
@@ -70,8 +70,8 @@ void check_irq_resend(struct irq_desc *desc, unsigned int irq)
if ((status & (IRQ_LEVEL | IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) {
desc->status = (status & ~IRQ_PENDING) | IRQ_REPLAY;

- if (!desc->irq_data.chip->retrigger ||
- !desc->irq_data.chip->retrigger(irq)) {
+ if (!desc->irq_data.chip->irq_retrigger ||
+ !desc->irq_data.chip->irq_retrigger(&desc->irq_data)) {
#ifdef CONFIG_HARDIRQS_SW_RESEND
/* Set it pending and activate the softirq: */
set_bit(irq, irqs_resend);