linux-kernel - [PATCHv6 08/16] pps: do not disable interrupts for idr operations

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Message-Id: <708abb76df85fc145d385e62907e82c75dc620bb.1292604060.git.lasaine@lvk.cs.msu.su>
Date:	Fri, 17 Dec 2010 22:54:32 +0300
From:	Alexander Gordeev <lasaine@....cs.msu.su>
To:	linux-kernel@...r.kernel.org
Cc:	"Nikita V\. Youshchenko" <yoush@...msu.su>,
	linuxpps@...enneenne.com, Rodolfo Giometti <giometti@...eenne.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Alexander Gordeev <lasaine@....cs.msu.su>
Subject: [PATCHv6 08/16] pps: do not disable interrupts for idr operations

Now pps_idr_lock is never used in interrupt context so replace
spin_lock_irq/spin_unlock_irq with plain spin_lock/spin_unlock.

Acked-by: Rodolfo Giometti <giometti@...ux.it>
Signed-off-by: Alexander Gordeev <lasaine@....cs.msu.su>
---
 drivers/pps/pps.c |   12 ++++++------
 1 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/pps/pps.c b/drivers/pps/pps.c
index 79b4455..54964a5 100644
--- a/drivers/pps/pps.c
+++ b/drivers/pps/pps.c
@@ -239,9 +239,9 @@ static void pps_device_destruct(struct device *dev)
 
 	/* release id here to protect others from using it while it's
 	 * still in use */
-	spin_lock_irq(&pps_idr_lock);
+	spin_lock(&pps_idr_lock);
 	idr_remove(&pps_idr, pps->id);
-	spin_unlock_irq(&pps_idr_lock);
+	spin_unlock(&pps_idr_lock);
 
 	kfree(dev);
 	kfree(pps);
@@ -260,9 +260,9 @@ int pps_register_cdev(struct pps_device *pps)
 	 * After idr_get_new() calling the new source will be freely available
 	 * into the kernel.
 	 */
-	spin_lock_irq(&pps_idr_lock);
+	spin_lock(&pps_idr_lock);
 	err = idr_get_new(&pps_idr, pps, &pps->id);
-	spin_unlock_irq(&pps_idr_lock);
+	spin_unlock(&pps_idr_lock);
 
 	if (err < 0)
 		return err;
@@ -302,9 +302,9 @@ del_cdev:
 	cdev_del(&pps->cdev);
 
 free_idr:
-	spin_lock_irq(&pps_idr_lock);
+	spin_lock(&pps_idr_lock);
 	idr_remove(&pps_idr, pps->id);
-	spin_unlock_irq(&pps_idr_lock);
+	spin_unlock(&pps_idr_lock);
 
 	return err;
 }
-- 
1.7.2.3

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