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

tip-bot for Thomas Gleixner
2010-10-04T20:32:55Z

Commit-ID: 0c5c15572ac096001f52d37b416f2a4be9aebb80
Gitweb: http://git.kernel.org/tip/0c5c15572ac096001f52d37b416f2a4be9aebb80
Author: Thomas Gleixner <tglx@linutronix.de>
AuthorDate: Mon, 27 Sep 2010 12:44:53 +0000
Committer: Thomas Gleixner <tglx@linutronix.de>
CommitDate: Mon, 4 Oct 2010 12:43:41 +0200

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

Wrap the old chip function eoi() 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: <20100927121842.339657617@linutronix.de>
Reviewed-by: H. Peter Anvin <hpa@zytor.com>
Reviewed-by: Ingo Molnar <mingo@elte.hu>
---
kernel/irq/chip.c | 13 ++++++++++---
1 files changed, 10 insertions(+), 3 deletions(-)

diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index 09c1a44..c8648a8 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -345,6 +345,11 @@ static void compat_irq_mask_ack(struct irq_data *data)
data->chip->mask_ack(data->irq);
}

+static void compat_irq_eoi(struct irq_data *data)
+{
+ data->chip->eoi(data->irq);
+}
+
static void compat_bus_lock(struct irq_data *data)
{
data->chip->bus_lock(data->irq);
@@ -390,6 +395,8 @@ void irq_chip_set_defaults(struct irq_chip *chip)
chip->irq_ack = compat_irq_ack;
if (chip->mask_ack)
chip->irq_mask_ack = compat_irq_mask_ack;
+ if (chip->eoi)
+ chip->irq_eoi = compat_irq_eoi;
}

static inline void mask_ack_irq(struct irq_desc *desc)
@@ -596,7 +603,7 @@ handle_fasteoi_irq(unsigned int irq, struct irq_desc *desc)
raw_spin_lock(&desc->lock);
desc->status &= ~IRQ_INPROGRESS;
out:
- desc->irq_data.chip->eoi(irq);
+ desc->irq_data.chip->irq_eoi(&desc->irq_data);

raw_spin_unlock(&desc->lock);
}
@@ -698,8 +705,8 @@ handle_percpu_irq(unsigned int irq, struct irq_desc *desc)
if (!noirqdebug)
note_interrupt(irq, desc, action_ret);

- if (desc->irq_data.chip->eoi)
- desc->irq_data.chip->eoi(irq);
+ if (desc->irq_data.chip->irq_eoi)
+ desc->irq_data.chip->irq_eoi(&desc->irq_data);
}

void