commit ced918eb748ce30b3aace549fd17540e40ffdca0
author Thomas Gleixner <tglx@linutronix.de> Wed Feb 17 16:47:10 2010 +0000
committer Thomas Gleixner <tglx@linutronix.de> Tue Mar 02 10:28:38 2010 +0100
tree f7c194d56e799508e090ef016bfc2dc0152a4244
parent 13dda80e48439b446d0bc9bab34b91484bc8f533

i8253: Convert i8253_lock to raw_spinlock

i8253_lock needs to be a real spinlock in preempt-rt, i.e. it can
not be converted to a sleeping lock.

Convert it to raw_spinlock and fix up all users.

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
Cc: Jens Axboe <jens.axboe@oracle.com>
LKML-Reference: <20100217163751.030764372@linutronix.de>

drivers/input/joystick/analog.c

diff --git a/drivers/input/joystick/analog.c b/drivers/input/joystick/analog.c
index 1c0b529..4afe0a3 100644
--- a/drivers/input/joystick/analog.c
+++ b/drivers/input/joystick/analog.c
@@ -146,11 +146,11 @@
         unsigned long flags;
         unsigned int count;
 
-        spin_lock_irqsave(&i8253_lock, flags);
+        raw_spin_lock_irqsave(&i8253_lock, flags);
         outb_p(0x00, 0x43);
         count = inb_p(0x40);
         count |= inb_p(0x40) << 8;
-        spin_unlock_irqrestore(&i8253_lock, flags);
+        raw_spin_unlock_irqrestore(&i8253_lock, flags);
 
         return count;
 }