From: Joerg Roedel <joerg.roedel@amd.com>
Date: Fri, 26 Aug 2011 11:20:06 +0000 (+0200)
Subject: omap: iommu: Fix up mutex->spin_lock conversion of iommu_lock
X-Git-Tag: firefly_0821_release~3680^2~4261^2^3~6
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=4234541f1a64d9dc6d489cf8f614dc01c62360f6;p=firefly-linux-kernel-4.4.55.git

omap: iommu: Fix up mutex->spin_lock conversion of iommu_lock

The omap_iommu_set_isr() was still using the mutex functions
but the iommu_lock was converted to a spin_lock. Fix that
up.

Signed-off-by: Joerg Roedel <joerg.roedel@amd.com>
---

diff --git a/drivers/iommu/omap-iommu.c b/drivers/iommu/omap-iommu.c
index dad45ab8cce3..90744afbed71 100644
--- a/drivers/iommu/omap-iommu.c
+++ b/drivers/iommu/omap-iommu.c
@@ -918,14 +918,14 @@ int omap_iommu_set_isr(const char *name,
 		return -ENODEV;
 
 	obj = to_iommu(dev);
-	mutex_lock(&obj->iommu_lock);
+	spin_lock(&obj->iommu_lock);
 	if (obj->refcount != 0) {
-		mutex_unlock(&obj->iommu_lock);
+		spin_unlock(&obj->iommu_lock);
 		return -EBUSY;
 	}
 	obj->isr = isr;
 	obj->isr_priv = isr_priv;
-	mutex_unlock(&obj->iommu_lock);
+	spin_unlock(&obj->iommu_lock);
 
 	return 0;
 }