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authorIngo Molnar <mingo@elte.hu>2008-08-11 11:19:20 +0200
committerIngo Molnar <mingo@elte.hu>2008-08-11 11:19:20 +0200
commit8067794bec1cc5de1431102cf0a6a1c7ce75cd85 (patch)
tree2bfa0fba060d253bbd972282b29a3d60c3e7cb7f /arch/arm/mm/consistent.c
parent7ab6af7ab69df8c9c5fbc380004fb81187742096 (diff)
parent796aadeb1b2db9b5d463946766c5bbfd7717158c (diff)
Merge branch 'linus' into x86/x2apic
Conflicts: arch/x86/kernel/genapic_64.c Manual merge: arch/x86/kernel/genx2apic_uv_x.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/mm/consistent.c')
-rw-r--r--arch/arm/mm/consistent.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mm/consistent.c b/arch/arm/mm/consistent.c
index 333a82a3717e..db7b3e38ef1d 100644
--- a/arch/arm/mm/consistent.c
+++ b/arch/arm/mm/consistent.c
@@ -274,6 +274,11 @@ __dma_alloc(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp,
void *
dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *handle, gfp_t gfp)
{
+ void *memory;
+
+ if (dma_alloc_from_coherent(dev, size, handle, &memory))
+ return memory;
+
if (arch_is_coherent()) {
void *virt;
@@ -362,6 +367,9 @@ void dma_free_coherent(struct device *dev, size_t size, void *cpu_addr, dma_addr
WARN_ON(irqs_disabled());
+ if (dma_release_from_coherent(dev, get_order(size), cpu_addr))
+ return;
+
if (arch_is_coherent()) {
kfree(cpu_addr);
return;