linux-kernel - [PATCH 2/4] ACPI: Make ACPI interrupt threaded

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Message-Id: <1324967687-10559-3-git-send-email-andi@firstfloor.org>
Date:	Mon, 26 Dec 2011 22:34:45 -0800
From:	Andi Kleen <andi@...stfloor.org>
To:	lenb@...nel.org
Cc:	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	Andi Kleen <andi@...stfloor.org>,
	Andi Kleen <ak@...ux.intel.com>
Subject: [PATCH 2/4] ACPI: Make ACPI interrupt threaded

Some ACPI interrupt actions may need to wait, and it's easiest to
have a thread context for this. So turn the ACPI interrupt
into a threaded interrupt.

Signed-off-by: Andi Kleen <ak@...ux.intel.com>
---
 drivers/acpi/osl.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index f31c5c5..3503434 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -564,7 +564,8 @@ acpi_os_install_interrupt_handler(u32 gsi, acpi_osd_handler handler,
 
 	acpi_irq_handler = handler;
 	acpi_irq_context = context;
-	if (request_irq(irq, acpi_irq, IRQF_SHARED, "acpi", acpi_irq)) {
+	if (request_threaded_irq(irq, NULL, acpi_irq, IRQF_SHARED, "acpi", 
+				 acpi_irq)) {
 		printk(KERN_ERR PREFIX "SCI (IRQ%d) allocation failed\n", irq);
 		acpi_irq_handler = NULL;
 		return AE_NOT_ACQUIRED;
-- 
1.7.7

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