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 10/19] genirq; Provide compat handling for chip->enable()
Date: Mon, 27 Sep 2010 12:44:56 -0000 [thread overview]
Message-ID: <20100927121842.437159182@linutronix.de> (raw)
In-Reply-To: 20100927121651.904100669@linutronix.de
[-- Attachment #1: genirq-wrap-chip-enable.patch --]
[-- Type: text/plain, Size: 2375 bytes --]
Wrap the old chip function enable() until the migration is complete and
the old chip functions are removed.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
kernel/irq/chip.c | 25 ++++++++++++++++++++-----
kernel/irq/resend.c | 2 +-
2 files changed, 21 insertions(+), 6 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
@@ -290,9 +290,9 @@ EXPORT_SYMBOL_GPL(set_irq_nested_thread)
/*
* default enable function
*/
-static void default_enable(unsigned int irq)
+static void default_enable(struct irq_data *data)
{
- struct irq_desc *desc = irq_to_desc(irq);
+ struct irq_desc *desc = irq_data_to_desc(data);
desc->chip->irq_unmask(&desc->irq_data);
desc->status &= ~IRQ_MASKED;
@@ -312,7 +312,7 @@ static unsigned int default_startup(unsi
{
struct irq_desc *desc = irq_to_desc(irq);
- desc->chip->enable(irq);
+ desc->chip->irq_enable(&desc->irq_data);
return 0;
}
@@ -353,6 +353,11 @@ static void compat_irq_eoi(struct irq_da
irq_data_to_desc(data)->chip->eoi(data->irq);
}
+static void compat_irq_enable(struct irq_data *data)
+{
+ irq_data_to_desc(data)->chip->enable(data->irq);
+}
+
static void compat_bus_lock(struct irq_data *data)
{
irq_data_to_desc(data)->chip->bus_lock(data->irq);
@@ -368,8 +373,18 @@ static void compat_bus_sync_unlock(struc
*/
void irq_chip_set_defaults(struct irq_chip *chip)
{
- if (!chip->enable)
- chip->enable = default_enable;
+ /*
+ * Compat fixup functions need to be before we set the
+ * defaults for enable/disable/startup/shutdown
+ */
+ if (chip->enable)
+ chip->irq_enable = compat_irq_enable;
+
+ /*
+ * The real defaults
+ */
+ if (!chip->irq_enable)
+ chip->irq_enable = default_enable;
if (!chip->disable)
chip->disable = default_disable;
if (!chip->startup)
Index: linux-2.6-tip/kernel/irq/resend.c
===================================================================
--- linux-2.6-tip.orig/kernel/irq/resend.c
+++ linux-2.6-tip/kernel/irq/resend.c
@@ -60,7 +60,7 @@ void check_irq_resend(struct irq_desc *d
/*
* Make sure the interrupt is enabled, before resending it:
*/
- desc->chip->enable(irq);
+ desc->chip->irq_enable(&desc->irq_data);
/*
* We do not resend level type interrupts. Level type
next prev parent reply other threads:[~2010-09-27 12:45 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 ` [patch 08/19] genirq; Provide compat handling for chip->mask_ack() Thomas Gleixner
2010-09-27 12:44 ` 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 ` Thomas Gleixner [this message]
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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