arm: tegra: smmu: Remove IORESOURCE use from SMMU IOVA range

SMMU simply needs to know its assigned IOVA range, but does not need
address space resources.
Bug 874438

Change-Id: I96a8718e692bbb96b5fce6ec7ebc90f6930f358c
Reviewed-on: http://git-master/r/52670
Tested-by: Hiro Sugawara <hsugawara@nvidia.com>
Reviewed-by: Krishna Reddy <vdumpa@nvidia.com>
Reviewed-by: Scott Williams <scwilliams@nvidia.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/arch/arm/mach-tegra/tegra_smmu.h b/arch/arm/mach-tegra/tegra_smmu.h
new file mode 100644
index 000000000000..aba140e0f2d0
--- /dev/null
+++ b/arch/arm/mach-tegra/tegra_smmu.h
@@ -0,0 +1,22 @@
+/*
+ * arch/arm/mach-tegra/tegra_smmu.h
+ *
+ * Copyright (C) 2011 NVIDIA Corporation.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+struct tegra_smmu_window {
+	unsigned long start;
+	unsigned long end;
+};
+
+extern struct tegra_smmu_window *tegra_smmu_window(int wnum);
+extern int tegra_smmu_window_count(void);