[PATCH 43/76] ACPI: Make ACPI interrupt threaded

From: Len Brown
Date: Fri Mar 30 2012 - 07:22:10 EST

From: Andi Kleen <andi@xxxxxxxxxxxxxx>

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>
Signed-off-by: Len Brown <len.brown@xxxxxxxxx>
drivers/acpi/osl.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 412a1e0..02367a8 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;

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