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authorArnd Bergmann <arnd@arndb.de>2011-10-08 21:07:42 +0200
committerArnd Bergmann <arnd@arndb.de>2011-10-08 21:07:42 +0200
commit71f2c153755442c05d15cd025484f676a5f3541f (patch)
treefe48af6ddc33da7a0aaf1a16ed9feeafa4a8e1e1 /arch/arm/include/asm/dma-mapping.h
parentMerge branch 'sirf/cleanup' into next/cleanup (diff)
parentMerge branch 'for_3_2/for-rmk/arm_cpu_pm' of git://gitorious.org/omap-sw-deve... (diff)
downloadlinux-71f2c153755442c05d15cd025484f676a5f3541f.tar.xz
linux-71f2c153755442c05d15cd025484f676a5f3541f.zip
Merge branch 'depends/rmk/devel-stable' into next/cleanup
Diffstat (limited to 'arch/arm/include/asm/dma-mapping.h')
-rw-r--r--arch/arm/include/asm/dma-mapping.h7
1 files changed, 7 insertions, 0 deletions
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 7a21d0bf7134..7f27fab9d404 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -205,6 +205,13 @@ extern void *dma_alloc_writecombine(struct device *, size_t, dma_addr_t *,
int dma_mmap_writecombine(struct device *, struct vm_area_struct *,
void *, dma_addr_t, size_t);
+/*
+ * This can be called during boot to increase the size of the consistent
+ * DMA region above it's default value of 2MB. It must be called before the
+ * memory allocator is initialised, i.e. before any core_initcall.
+ */
+extern void __init init_consistent_dma_size(unsigned long size);
+
#ifdef CONFIG_DMABOUNCE
/*