1 files changed, 0 insertions, 134 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_iommu.h b/drivers/gpu/drm/exynos/exynos_drm_iommu.h
deleted file mode 100644
index 797d9ee5f15a..000000000000
--- a/drivers/gpu/drm/exynos/exynos_drm_iommu.h
+++ /dev/null
@@ -1,134 +0,0 @@
-/* exynos_drm_iommu.h
- *
- * Copyright (c) 2012 Samsung Electronics Co., Ltd.
- * Authoer: Inki Dae <inki.dae@samsung.com>
- *
- * This program is free software; you can redistribute  it and/or modify it
- * under  the terms of  the GNU General  Public License as published by the
- * Free Software Foundation;  either version 2 of the  License, or (at your
- * option) any later version.
- */
-
-#ifndef _EXYNOS_DRM_IOMMU_H_
-#define _EXYNOS_DRM_IOMMU_H_
-
-#define EXYNOS_DEV_ADDR_START	0x20000000
-#define EXYNOS_DEV_ADDR_SIZE	0x40000000
-
-#ifdef CONFIG_DRM_EXYNOS_IOMMU
-
-#if defined(CONFIG_ARM_DMA_USE_IOMMU)
-#include <asm/dma-iommu.h>
-
-static inline int __exynos_iommu_create_mapping(struct exynos_drm_private *priv,
-					unsigned long start, unsigned long size)
-{
-	priv->mapping = arm_iommu_create_mapping(&platform_bus_type, start,
-						 size);
-	return IS_ERR(priv->mapping);
-}
-
-static inline void
-__exynos_iommu_release_mapping(struct exynos_drm_private *priv)
-{
-	arm_iommu_release_mapping(priv->mapping);
-}
-
-static inline int __exynos_iommu_attach(struct exynos_drm_private *priv,
-					struct device *dev)
-{
-	if (dev->archdata.mapping)
-		arm_iommu_detach_device(dev);
-
-	return arm_iommu_attach_device(dev, priv->mapping);
-}
-
-static inline void __exynos_iommu_detach(struct exynos_drm_private *priv,
-					 struct device *dev)
-{
-	arm_iommu_detach_device(dev);
-}
-
-#elif defined(CONFIG_IOMMU_DMA)
-#include <linux/dma-iommu.h>
-
-static inline int __exynos_iommu_create_mapping(struct exynos_drm_private *priv,
-					unsigned long start, unsigned long size)
-{
-	priv->mapping = iommu_get_domain_for_dev(priv->dma_dev);
-	return 0;
-}
-
-static inline void __exynos_iommu_release_mapping(struct exynos_drm_private *priv)
-{
-	priv->mapping = NULL;
-}
-
-static inline int __exynos_iommu_attach(struct exynos_drm_private *priv,
-					struct device *dev)
-{
-	struct iommu_domain *domain = priv->mapping;
-
-	if (dev != priv->dma_dev)
-		return iommu_attach_device(domain, dev);
-	return 0;
-}
-
-static inline void __exynos_iommu_detach(struct exynos_drm_private *priv,
-					 struct device *dev)
-{
-	struct iommu_domain *domain = priv->mapping;
-
-	if (dev != priv->dma_dev)
-		iommu_detach_device(domain, dev);
-}
-#else
-#error Unsupported architecture and IOMMU/DMA-mapping glue code
-#endif
-
-int drm_create_iommu_mapping(struct drm_device *drm_dev);
-
-void drm_release_iommu_mapping(struct drm_device *drm_dev);
-
-int drm_iommu_attach_device(struct drm_device *drm_dev,
-				struct device *subdrv_dev);
-
-void drm_iommu_detach_device(struct drm_device *dev_dev,
-				struct device *subdrv_dev);
-
-static inline bool is_drm_iommu_supported(struct drm_device *drm_dev)
-{
-	struct exynos_drm_private *priv = drm_dev->dev_private;
-
-	return priv->mapping ? true : false;
-}
-
-#else
-
-static inline int drm_create_iommu_mapping(struct drm_device *drm_dev)
-{
-	return 0;
-}
-
-static inline void drm_release_iommu_mapping(struct drm_device *drm_dev)
-{
-}
-
-static inline int drm_iommu_attach_device(struct drm_device *drm_dev,
-						struct device *subdrv_dev)
-{
-	return 0;
-}
-
-static inline void drm_iommu_detach_device(struct drm_device *drm_dev,
-						struct device *subdrv_dev)
-{
-}
-
-static inline bool is_drm_iommu_supported(struct drm_device *drm_dev)
-{
-	return false;
-}
-
-#endif
-#endif