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authorSami Liedes <sliedes@nvidia.com>2013-02-04 14:31:48 +0200
committerJoerg Roedel <joro@8bytes.org>2013-02-04 15:11:13 +0100
commit0fde671b81d406a59ae21f35f121851509c3b138 (patch)
treed873a7c44cb7e5a1043156c8f335a8ae8c309090 /drivers/iommu/tegra-smmu.c
parent88b62b915b0b7e25870eb0604ed9a92ba4bfc9f7 (diff)
downloadlinux-next-0fde671b81d406a59ae21f35f121851509c3b138.tar.gz
iommu/tegra: Add missing spinlock initialization
Fix tegra_smmu_probe() to initialize client_lock spinlocks in per-address-space structures. Signed-off-by: Sami Liedes <sliedes@nvidia.com> Signed-off-by: Joerg Roedel <joro@8bytes.org>
Diffstat (limited to 'drivers/iommu/tegra-smmu.c')
-rw-r--r--drivers/iommu/tegra-smmu.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/iommu/tegra-smmu.c b/drivers/iommu/tegra-smmu.c
index fc178893789a..87a719f4adfb 100644
--- a/drivers/iommu/tegra-smmu.c
+++ b/drivers/iommu/tegra-smmu.c
@@ -1,7 +1,7 @@
/*
* IOMMU API for SMMU in Tegra30
*
- * Copyright (c) 2011-2012, NVIDIA CORPORATION. All rights reserved.
+ * Copyright (c) 2011-2013, NVIDIA CORPORATION. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
@@ -1216,6 +1216,7 @@ static int tegra_smmu_probe(struct platform_device *pdev)
as->pte_attr = _PTE_ATTR;
spin_lock_init(&as->lock);
+ spin_lock_init(&as->client_lock);
INIT_LIST_HEAD(&as->client);
}
spin_lock_init(&smmu->lock);