[patch 5/5] [PREEMPT_RT] Changing interrupt handlers from runningin thread to hardirq and back runtime.

[Esben Nielsen]

Make lpptest more compliant with the request_irq() interface. I don't think
the driver should set or remove flags on it's own!

Index: linux-2.6.16-rt23.spin_mutex/drivers/char/lpptest.c
===================================================================
--- linux-2.6.16-rt23.spin_mutex.orig/drivers/char/lpptest.c
+++ linux-2.6.16-rt23.spin_mutex/drivers/char/lpptest.c
@@ -150,13 +150,13 @@ static int __init lpptest_init (void)
 		return -EAGAIN;
 	}

-	if (request_irq (LPPTEST_IRQ, lpptest_irq, 0, "lpptest", dev_id)) {
-		printk (KERN_WARNING "lpptest: irq %d in use. Unload parport module!\n", LPPTEST_IRQ);
+	if (request_irq (LPPTEST_IRQ, lpptest_irq, SA_NODELAY | SA_INTERRUPT,
+			 "lpptest", dev_id)) {
+		printk (KERN_WARNING "lpptest: irq %d in use. "
+			"Unload parport module!\n", LPPTEST_IRQ);
 		unregister_chrdev(LPPTEST_CHAR_MAJOR, LPPTEST_DEVICE_NAME);
 		return -EAGAIN;
 	}
-	irq_desc[LPPTEST_IRQ].status |= IRQ_NODELAY;
-	irq_desc[LPPTEST_IRQ].action->flags |= SA_NODELAY | SA_INTERRUPT;

 	INIT_PORT();
 	ENABLE_IRQ();

--
-
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