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Merge branch 'fixes_for_linus' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping

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Pull CMA and DMA-mapping fixes from Marek Szyprowski:
 "This consists mainly of a set of one-liner fixes and cleanups for a
  few minor issues identified in both Contiguous Memory Allocator code
  and ARM DMA-mapping subsystem."

* 'fixes_for_linus' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
  ARM: mm: Remove unused arm_vmregion priv field
  ARM: dma-mapping: fix build warning in __dma_alloc()
  ARM: dma-mapping: support debug_dma_mapping_error
  mm: cma: alloc_contig_range: return early for err path
  drivers: cma: Fix wrong CMA selected region size default value
  drivers: dma-coherent: Fix typo in dma_mmap_from_coherent documentation
  drivers: dma-contiguous: Don't redefine SZ_1M
This commit is contained in:
Linus Torvalds 2012-10-25 15:57:48 -07:00
commit cff7b8ba60
7 changed files with 7 additions and 11 deletions
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2
drivers/base/Kconfig
View file

@ -236,7 +236,7 @@ config CMA_SIZE_PERCENTAGE
choice
prompt "Selected region size"
default CMA_SIZE_SEL_ABSOLUTE
default CMA_SIZE_SEL_MBYTES
config CMA_SIZE_SEL_MBYTES
bool "Use mega bytes value only"

5
drivers/base/dma-coherent.c
View file

@ -191,9 +191,8 @@ EXPORT_SYMBOL(dma_release_from_coherent);
* This checks whether the memory was allocated from the per-device
* coherent memory pool and if so, maps that memory to the provided vma.
*
* Returns 1 if we correctly mapped the memory, or 0 if
* dma_release_coherent() should proceed with mapping memory from
* generic pools.
* Returns 1 if we correctly mapped the memory, or 0 if the caller should
* proceed with mapping memory from generic pools.
*/
int dma_mmap_from_coherent(struct device *dev, struct vm_area_struct *vma,
void *vaddr, size_t size, int *ret)

5
drivers/base/dma-contiguous.c
View file

@ -27,15 +27,12 @@
#include <linux/mm.h>
#include <linux/mutex.h>
#include <linux/page-isolation.h>
#include <linux/sizes.h>
#include <linux/slab.h>
#include <linux/swap.h>
#include <linux/mm_types.h>
#include <linux/dma-contiguous.h>
#ifndef SZ_1M
#define SZ_1M (1 << 20)
#endif
struct cma {
unsigned long base_pfn;
unsigned long count;