All users of dma_declare_coherent want their allocations to be
exclusive, so default to exclusive allocations.
Signed-off-by: Christoph Hellwig
---
Documentation/DMA-API.txt | 9 +--
arch/arm/mach-imx/mach-imx27_visstrim_m10.c | 12 +++--
arch/arm/mach-imx/mach-mx31moboard.c | 3 +--
arch/sh/boards/mach-ap325rxa/setup.c | 5 ++--
arch/sh/boards/mach-ecovec24/setup.c | 6 ++---
arch/sh/boards/mach-kfr2r09/setup.c | 5 ++--
arch/sh/boards/mach-migor/setup.c | 5 ++--
arch/sh/boards/mach-se/7724/setup.c | 6 ++---
arch/sh/drivers/pci/fixups-dreamcast.c| 3 +--
.../soc_camera/sh_mobile_ceu_camera.c | 3 +--
drivers/usb/host/ohci-sm501.c | 3 +--
drivers/usb/host/ohci-tmio.c | 2 +-
include/linux/dma-mapping.h | 7 ++
kernel/dma/coherent.c | 25 ++-
14 files changed, 29 insertions(+), 65 deletions(-)
diff --git a/Documentation/DMA-API.txt b/Documentation/DMA-API.txt
index b9d0cba83877..38e561b773b4 100644
--- a/Documentation/DMA-API.txt
+++ b/Documentation/DMA-API.txt
@@ -566,8 +566,7 @@ boundaries when doing this.
int
dma_declare_coherent_memory(struct device *dev, phys_addr_t phys_addr,
- dma_addr_t device_addr, size_t size, int
- flags)
+ dma_addr_t device_addr, size_t size);
Declare region of memory to be handed out by dma_alloc_coherent() when
it's asked for coherent memory for this device.
@@ -581,12 +580,6 @@ dma_addr_t in dma_alloc_coherent()).
size is the size of the area (must be multiples of PAGE_SIZE).
-flags can be ORed together and are:
-
-- DMA_MEMORY_EXCLUSIVE - only allocate memory from the declared regions.
- Do not allow dma_alloc_coherent() to fall back to system memory when
- it's out of memory in the declared region.
-
As a simplification for the platforms, only *one* such region of
memory may be declared per device.
diff --git a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
index 5169dfba9718..07d4fcfe5c2e 100644
--- a/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
+++ b/arch/arm/mach-imx/mach-imx27_visstrim_m10.c
@@ -258,8 +258,7 @@ static void __init visstrim_analog_camera_init(void)
return;
dma_declare_coherent_memory(>dev, mx2_camera_base,
- mx2_camera_base, MX2_CAMERA_BUF_SIZE,
- DMA_MEMORY_EXCLUSIVE);
+ mx2_camera_base, MX2_CAMERA_BUF_SIZE);
}
static void __init visstrim_reserve(void)
@@ -445,8 +444,7 @@ static void __init visstrim_coda_init(void)
dma_declare_coherent_memory(>dev,
mx2_camera_base + MX2_CAMERA_BUF_SIZE,
mx2_camera_base + MX2_CAMERA_BUF_SIZE,
- MX2_CAMERA_BUF_SIZE,
- DMA_MEMORY_EXCLUSIVE);
+ MX2_CAMERA_BUF_SIZE);
}
/* DMA deinterlace */
@@ -465,8 +463,7 @@ static void __init visstrim_deinterlace_init(void)
dma_declare_coherent_memory(>dev,
mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE,
mx2_camera_base + 2 * MX2_CAMERA_BUF_SIZE,
- MX2_CAMERA_BUF_SIZE,
- DMA_MEMORY_EXCLUSIVE);
+ MX2_CAMERA_BUF_SIZE);
}
/* Emma-PrP for format conversion */
@@ -485,8 +482,7 @@ static void __init visstrim_emmaprp_init(void)
*/
ret = dma_declare_coherent_memory(>dev,
mx2_camera_base, mx2_camera_base,
- MX2_CAMERA_BUF_SIZE,
- DMA_MEMORY_EXCLUSIVE);
+ MX2_CAMERA_BUF_SIZE);
if (ret)
pr_err("Failed to declare memory for emmaprp\n");
}
diff --git a/arch/arm/mach-imx/mach-mx31moboard.c
b/arch/arm/mach-imx/mach-mx31moboard.c
index 643a3d749703..fe50f4cf00a7 100644
--- a/arch/arm/mach-imx/mach-mx31moboard.c
+++ b/arch/arm/mach-imx/mach-mx31moboard.c
@@ -475,8 +475,7 @@ static int __init mx31moboard_init_cam(void)
ret = dma_declare_coherent_memory(>dev,
mx3_camera_base, mx3_camera_base,
- MX3_CAMERA_BUF_SIZE,
- DMA_MEMORY_EXCLUSIVE);
+ MX3_CAMERA_BUF_SIZE);
if (ret)
goto err;
diff --git a/arch/sh/boards/mach-ap325rxa/setup.c
b/arch/sh/boards/mach-ap325rxa/setup.c
index 8f234d0435aa..7899b4f51fdd 100644
--- a/arch/sh/boards/mach-ap325rxa/setup.c
+++
