linux-kernel - [PATCH 2/7] arch/powerpc/platforms/52xx: Use DEFINE

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Message-ID: <Pine.LNX.4.64.0812251533130.22039@ask.diku.dk>
Date:	Thu, 25 Dec 2008 15:33:34 +0100 (CET)
From:	Julia Lawall <julia@...u.dk>
To:	tnt@...tNt.com, grant.likely@...retlab.ca, linuxppc-dev@...abs.org,
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: [PATCH 2/7] arch/powerpc/platforms/52xx: Use DEFINE_SPINLOCK

From: Julia Lawall <julia@...u.dk>

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@...u.dk>

---
diff -u -p a/arch/powerpc/platforms/52xx/mpc52xx_common.c b/arch/powerpc/platforms/52xx/mpc52xx_common.c
--- a/arch/powerpc/platforms/52xx/mpc52xx_common.c
+++ b/arch/powerpc/platforms/52xx/mpc52xx_common.c
@@ -42,7 +42,7 @@ static struct of_device_id mpc52xx_bus_i
  * from interrupt context while node mapping (which calls ioremap())
  * cannot be used at such point.
  */
-static spinlock_t mpc52xx_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_SPINLOCK(mpc52xx_lock);
 static struct mpc52xx_gpt __iomem *mpc52xx_wdt;
 static struct mpc52xx_cdm __iomem *mpc52xx_cdm;
 
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