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

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Message-ID: <tip-0c5c15572ac096001f52d37b416f2a4be9aebb80@git.kernel.org>
Date:	Mon, 4 Oct 2010 20:32:33 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->eoi()

Commit-ID:  0c5c15572ac096001f52d37b416f2a4be9aebb80
Gitweb:     http://git.kernel.org/tip/0c5c15572ac096001f52d37b416f2a4be9aebb80
Author:     Thomas Gleixner <tglx@...utronix.de>
AuthorDate: Mon, 27 Sep 2010 12:44:53 +0000
Committer:  Thomas Gleixner <tglx@...utronix.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@...utronix.de>
Cc: Peter Zijlstra <peterz@...radead.org>
LKML-Reference: <20100927121842.339657617@...utronix.de>
Reviewed-by: H. Peter Anvin <hpa@...or.com>
Reviewed-by: Ingo Molnar <mingo@...e.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
--
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