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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>
This commit is contained in:
Sami Liedes 2013-02-04 14:31:48 +02:00 committed by Joerg Roedel
parent 88b62b915b
commit 0fde671b81
1 changed files with 2 additions and 1 deletions
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3
drivers/iommu/tegra-smmu.c
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@ -1,7 +1,7 @@
/* /*
* IOMMU API for SMMU in Tegra30 * 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 * This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License, * 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; as->pte_attr = _PTE_ATTR;
spin_lock_init(&as->lock); spin_lock_init(&as->lock);
spin_lock_init(&as->client_lock);
INIT_LIST_HEAD(&as->client); INIT_LIST_HEAD(&as->client);
} }
spin_lock_init(&smmu->lock); spin_lock_init(&smmu->lock);