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authorLinus Torvalds <torvalds@linux-foundation.org>2014-04-02 14:34:25 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2014-04-02 14:34:25 -0700
commit7474043eff6f7c20141b2f49f774d0aab6542220 (patch)
treef143f787c7ff3ee6c8fede1bd2fd60c36b328243 /drivers
parentb9f2b21a32906a47c220b5167b88869f2c90f1c4 (diff)
parent68efd7d2fb32c2606f1da318b6a851d933813f27 (diff)
downloadlwn-7474043eff6f7c20141b2f49f774d0aab6542220.tar.gz
lwn-7474043eff6f7c20141b2f49f774d0aab6542220.zip
Merge branch 'for-3.15' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping
Pull DMA-mapping updates from Marek Szyprowski: "This contains extension for more efficient handling of io address space for dma-mapping subsystem for ARM architecture" * 'for-3.15' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping: arm: dma-mapping: remove order parameter from arm_iommu_create_mapping() arm: dma-mapping: Add support to extend DMA IOMMU mappings
Diffstat (limited to 'drivers')
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_drv.h2
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_iommu.c6
-rw-r--r--drivers/gpu/drm/exynos/exynos_drm_iommu.h1
-rw-r--r--drivers/iommu/shmobile-iommu.c2
4 files changed, 3 insertions, 8 deletions
diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.h b/drivers/gpu/drm/exynos/exynos_drm_drv.h
index 0eaf5a27e120..a8f9dba2a816 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_drv.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_drv.h
@@ -237,7 +237,6 @@ struct drm_exynos_file_private {
* otherwise default one.
* @da_space_size: size of device address space.
* if 0 then default value is used for it.
- * @da_space_order: order to device address space.
*/
struct exynos_drm_private {
struct drm_fb_helper *fb_helper;
@@ -255,7 +254,6 @@ struct exynos_drm_private {
unsigned long da_start;
unsigned long da_space_size;
- unsigned long da_space_order;
};
/*
diff --git a/drivers/gpu/drm/exynos/exynos_drm_iommu.c b/drivers/gpu/drm/exynos/exynos_drm_iommu.c
index fb8db0378274..b32b291f88ff 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_iommu.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_iommu.c
@@ -36,12 +36,10 @@ int drm_create_iommu_mapping(struct drm_device *drm_dev)
priv->da_start = EXYNOS_DEV_ADDR_START;
if (!priv->da_space_size)
priv->da_space_size = EXYNOS_DEV_ADDR_SIZE;
- if (!priv->da_space_order)
- priv->da_space_order = EXYNOS_DEV_ADDR_ORDER;
mapping = arm_iommu_create_mapping(&platform_bus_type, priv->da_start,
- priv->da_space_size,
- priv->da_space_order);
+ priv->da_space_size);
+
if (IS_ERR(mapping))
return PTR_ERR(mapping);
diff --git a/drivers/gpu/drm/exynos/exynos_drm_iommu.h b/drivers/gpu/drm/exynos/exynos_drm_iommu.h
index 598e60f57d4b..72376d41c512 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_iommu.h
+++ b/drivers/gpu/drm/exynos/exynos_drm_iommu.h
@@ -14,7 +14,6 @@
#define EXYNOS_DEV_ADDR_START 0x20000000
#define EXYNOS_DEV_ADDR_SIZE 0x40000000
-#define EXYNOS_DEV_ADDR_ORDER 0x0
#ifdef CONFIG_DRM_EXYNOS_IOMMU
diff --git a/drivers/iommu/shmobile-iommu.c b/drivers/iommu/shmobile-iommu.c
index 7a3b928fad1c..464acda0bbc4 100644
--- a/drivers/iommu/shmobile-iommu.c
+++ b/drivers/iommu/shmobile-iommu.c
@@ -343,7 +343,7 @@ static int shmobile_iommu_add_device(struct device *dev)
mapping = archdata->iommu_mapping;
if (!mapping) {
mapping = arm_iommu_create_mapping(&platform_bus_type, 0,
- L1_LEN << 20, 0);
+ L1_LEN << 20);
if (IS_ERR(mapping))
return PTR_ERR(mapping);
archdata->iommu_mapping = mapping;