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From: Thomas Gleixner <tglx@linutronix.de>
To: LKML <linux-kernel@vger.kernel.org>
Cc: Andrew Morton <akpm@linux-foundation.org>,
	linux-arch@vger.kernel.org, Ingo Molnar <mingo@elte.hu>,
	Peter Zijlstra <peterz@infradead.org>
Subject: [patch 08/19] genirq; Provide compat handling for chip->mask_ack()
Date: Mon, 27 Sep 2010 12:44:50 -0000	[thread overview]
Message-ID: <20100927121842.240806983@linutronix.de> (raw)
In-Reply-To: 20100927121651.904100669@linutronix.de

[-- Attachment #1: genirq-wrap-chip-mask-ack.patch --]
[-- Type: text/plain, Size: 2275 bytes --]

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

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
 kernel/irq/chip.c      |   20 ++++++++++++++++++--
 kernel/irq/internals.h |   17 +++++++++++------
 kernel/irq/manage.c    |   22 +++++++++++-----------
 3 files changed, 40 insertions(+), 19 deletions(-)
Index: linux-2.6-tip/kernel/irq/chip.c
===================================================================
--- linux-2.6-tip.orig/kernel/irq/chip.c
+++ linux-2.6-tip/kernel/irq/chip.c
@@ -343,6 +343,11 @@ static void compat_irq_ack(struct irq_da
 	irq_data_to_desc(data)->chip->ack(data->irq);
 }
 
+static void compat_irq_mask_ack(struct irq_data *data)
+{
+	irq_data_to_desc(data)->chip->mask_ack(data->irq);
+}
+
 static void compat_bus_lock(struct irq_data *data)
 {
 	irq_data_to_desc(data)->chip->bus_lock(data->irq);
@@ -386,12 +391,14 @@ void irq_chip_set_defaults(struct irq_ch
 		chip->irq_unmask = compat_irq_unmask;
 	if (chip->ack)
 		chip->irq_ack = compat_irq_ack;
+	if (chip->mask_ack)
+		chip->irq_mask_ack = compat_irq_mask_ack;
 }
 
-static inline void mask_ack_irq(struct irq_desc *desc, int irq)
+static inline void mask_ack_irq(struct irq_desc *desc)
 {
-	if (desc->chip->mask_ack)
-		desc->chip->mask_ack(irq);
+	if (desc->chip->irq_mask_ack)
+		desc->chip->irq_mask_ack(&desc->irq_data);
 	else {
 		desc->chip->irq_mask(&desc->irq_data);
 		if (desc->chip->irq_ack)
@@ -514,7 +521,7 @@ handle_level_irq(unsigned int irq, struc
 	irqreturn_t action_ret;
 
 	raw_spin_lock(&desc->lock);
-	mask_ack_irq(desc, irq);
+	mask_ack_irq(desc);
 
 	if (unlikely(desc->status & IRQ_INPROGRESS))
 		goto out_unlock;
@@ -628,7 +635,7 @@ handle_edge_irq(unsigned int irq, struct
 	if (unlikely((desc->status & (IRQ_INPROGRESS | IRQ_DISABLED)) ||
 		    !desc->action)) {
 		desc->status |= (IRQ_PENDING | IRQ_MASKED);
-		mask_ack_irq(desc, irq);
+		mask_ack_irq(desc);
 		goto out_unlock;
 	}
 	kstat_incr_irqs_this_cpu(irq, desc);
@@ -733,7 +740,7 @@ __set_irq_handler(unsigned int irq, irq_
 	/* Uninstall? */
 	if (handle == handle_bad_irq) {
 		if (desc->chip != &no_irq_chip)
-			mask_ack_irq(desc, irq);
+			mask_ack_irq(desc);
 		desc->status |= IRQ_DISABLED;
 		desc->depth = 1;
 	}

  parent reply	other threads:[~2010-09-27 12:44 UTC|newest]

Thread overview: 34+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-09-27 12:44 [patch 00/19] genirq: Cleanup and irq_chip functions overhaul Thomas Gleixner
2010-09-27 12:44 ` [patch 01/19] genirq: Cleanup access to irq_data Thomas Gleixner
2010-09-27 12:44 ` [patch 02/19] genirq: Create irq_data Thomas Gleixner
2010-09-27 12:44   ` Thomas Gleixner
2010-09-27 12:44 ` [patch 03/19] genirq: Provide advanced irq chip functions Thomas Gleixner
2010-09-27 12:44   ` Thomas Gleixner
2010-09-27 12:44 ` [patch 04/19] genirq; Provide compat handling for bus_lock/bus_sync_unlock Thomas Gleixner
2010-09-27 12:44 ` [patch 05/19] genirq; Provide compat handling for chip->mask() Thomas Gleixner
2010-09-27 12:44 ` [patch 06/19] genirq; Provide compat handling for chip->unmask() Thomas Gleixner
2010-09-27 12:44 ` [patch 07/19] genirq; Provide compat handling for chip->ack() Thomas Gleixner
2010-09-27 12:44   ` Thomas Gleixner
2010-09-27 12:44 ` Thomas Gleixner [this message]
2010-09-27 12:44   ` [patch 08/19] genirq; Provide compat handling for chip->mask_ack() Thomas Gleixner
2010-09-27 15:10   ` Geert Uytterhoeven
2010-09-27 15:16     ` Thomas Gleixner
2010-09-27 12:44 ` [patch 09/19] genirq; Provide compat handling for chip->eoi() Thomas Gleixner
2010-09-27 12:44   ` Thomas Gleixner
2010-09-27 12:44 ` [patch 10/19] genirq; Provide compat handling for chip->enable() Thomas Gleixner
2010-09-27 12:45 ` [patch 11/19] genirq; Provide compat handling for chip->disable()/shutdown() Thomas Gleixner
2010-09-27 12:45   ` Thomas Gleixner
2010-09-27 12:45 ` [patch 12/19] genirq; Provide compat handling for chip->startup() Thomas Gleixner
2010-09-27 12:45 ` [patch 13/19] genirq; Provide compat handling for chip->set_affinity() Thomas Gleixner
2010-09-27 12:45   ` Thomas Gleixner
2010-09-27 12:45 ` [patch 14/19] genirq; Provide compat handling for chip->set_type() Thomas Gleixner
2010-09-27 12:45   ` Thomas Gleixner
2010-09-27 12:45 ` [patch 15/19] genirq; Provide compat handling for chip->set_wake() Thomas Gleixner
2010-09-27 12:45   ` Thomas Gleixner
2010-09-27 12:45 ` [patch 16/19] genirq; Provide compat handling for chip->retrigger() Thomas Gleixner
2010-09-27 12:45   ` Thomas Gleixner
2010-09-27 12:45 ` [patch 17/19] genirq: Switch dummy_chip and no_irq_chip to new functions Thomas Gleixner
2010-09-27 12:45 ` [patch 18/19] genirq: Provide Kconfig Thomas Gleixner
2010-09-27 16:43   ` Randy Dunlap
2010-09-27 12:46 ` [patch 19/19] x86: Use genirq Kconfig Thomas Gleixner
2010-09-27 12:46   ` Thomas Gleixner

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