linux-kernel - [PATCH] jsm: removing unused spinlock

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Date:	Mon, 27 Apr 2009 14:47:50 -0300
From:	Breno Leitao <leitao@...ux.vnet.ibm.com>
To:	alan@...rguk.ukuu.org.uk
CC:	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	akpm@...ux-foundation.org
Subject: [PATCH] jsm: removing unused spinlock

This patch removes bd_lock spinlock (inside jsm_board structure).
The lock is initialized in the probe function and not used anymore.

Signed-off-by: Breno Leitao <leitao@...ux.vnet.ibm.com>
---
 drivers/serial/jsm/jsm.h        |    2 --
 drivers/serial/jsm/jsm_driver.c |    1 -
 2 files changed, 0 insertions(+), 3 deletions(-)

diff --git a/drivers/serial/jsm/jsm.h b/drivers/serial/jsm/jsm.h
index 8871aaa..c0a3e27 100644
--- a/drivers/serial/jsm/jsm.h
+++ b/drivers/serial/jsm/jsm.h
@@ -130,8 +130,6 @@ struct jsm_board
 	struct pci_dev	*pci_dev;
 	u32		maxports;	/* MAX ports this board can handle */
 
-	spinlock_t	bd_lock;	/* Used to protect board */
-
 	spinlock_t	bd_intr_lock;	/* Used to protect the poller tasklet and
 					 * the interrupt routine from each other.
 					 */
diff --git a/drivers/serial/jsm/jsm_driver.c b/drivers/serial/jsm/jsm_driver.c
index d2d32a1..b3604aa 100644
--- a/drivers/serial/jsm/jsm_driver.c
+++ b/drivers/serial/jsm/jsm_driver.c
@@ -88,7 +88,6 @@ static int __devinit jsm_probe_one(struct pci_dev *pdev, const struct pci_device
 	else
 		brd->maxports = 2;
 
-	spin_lock_init(&brd->bd_lock);
 	spin_lock_init(&brd->bd_intr_lock);
 
 	/* store which revision we have */
-- 
1.6.0.2

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