[PATCH 2/4] ACPI: Make ACPI interrupt threaded
From: Andi Kleen
Date: Tue Dec 27 2011 - 01:35:47 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 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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