[PATCH 2/5] ACPI: Make ACPI interrupt threaded

From: Andi Kleen
Date: Mon Feb 06 2012 - 11:17:27 EST


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@xxxxxxxxxxxxxxx>
---
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 412a1e0..f3f6ff7 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -595,7 +595,8 @@ 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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