Staging: comedi: Use DEFINE_SPINLOCK
authorJulia Lawall <julia@diku.dk>
Thu, 25 Dec 2008 14:34:44 +0000 (15:34 +0100)
committerGreg Kroah-Hartman <gregkh@suse.de>
Fri, 3 Apr 2009 21:53:40 +0000 (14:53 -0700)
SPIN_LOCK_UNLOCKED is deprecated.  The following makes the change suggested
in Documentation/spinlocks.txt

The semantic patch that makes this change is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@@
declarer name DEFINE_SPINLOCK;
identifier xxx_lock;
@@

- spinlock_t xxx_lock = SPIN_LOCK_UNLOCKED;
+ DEFINE_SPINLOCK(xxx_lock);
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
drivers/staging/comedi/rt_pend_tq.c

index 995f076..83ccf4d 100644 (file)
@@ -25,7 +25,7 @@ volatile static struct rt_pend_tq rt_pend_tq[RT_PEND_TQ_SIZE];
 volatile static struct rt_pend_tq *volatile rt_pend_head = rt_pend_tq,
        *volatile rt_pend_tail = rt_pend_tq;
 int rt_pend_tq_irq = 0;
-spinlock_t rt_pend_tq_lock = SPIN_LOCK_UNLOCKED;
+DEFINE_SPINLOCK(rt_pend_tq_lock);
 
 // WARNING: following code not checked against race conditions yet.
 #define INC_CIRCULAR_PTR(ptr,begin,size) do {if(++(ptr)>=(begin)+(size)) (ptr)=(begin); } while(0)