various char drivers: remove deprecated IRQF_DISABLED

This patch proposes to remove the use of the IRQF_DISABLED flag

It's a NOOP since 2.6.35 and it will be removed one day.

Signed-off-by: Michael Opdenacker <michael.opdenacker@free-electrons.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/char/nwbutton.c b/drivers/char/nwbutton.c
index cfdfe49..1fd00dc0 100644
--- a/drivers/char/nwbutton.c
+++ b/drivers/char/nwbutton.c
@@ -220,7 +220,7 @@
 		return -EBUSY;
 	}
 
-	if (request_irq (IRQ_NETWINDER_BUTTON, button_handler, IRQF_DISABLED,
+	if (request_irq (IRQ_NETWINDER_BUTTON, button_handler, 0,
 			"nwbutton", NULL)) {
 		printk (KERN_WARNING "nwbutton: IRQ %d is not free.\n",
 				IRQ_NETWINDER_BUTTON);