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authorRussell King <rmk@dyn-67.arm.linux.org.uk>2006-01-04 14:41:29 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2006-01-04 14:41:29 +0000
commit333c9624b728a9e83b741ea75836aa114ec35272 (patch)
tree607fa3d2d2aa3d2cc3e4c4ebacdf8e7d7b59c565 /include
parent109a9378807cb9093a88fbf9707420de97601e14 (diff)
downloadop-kernel-dev-333c9624b728a9e83b741ea75836aa114ec35272.zip
op-kernel-dev-333c9624b728a9e83b741ea75836aa114ec35272.tar.gz
[ARM] Move ISA DMA bus_to_virt() out of set_dma_addr()
Allow the compiler to optimise the bus_to_virt(virt_to_bus()) transformation in the ARM ISA DMA interface. Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include')
-rw-r--r--include/asm-arm/dma.h4
1 files changed, 3 insertions, 1 deletions
diff --git a/include/asm-arm/dma.h b/include/asm-arm/dma.h
index ef41df43a..1c7087f 100644
--- a/include/asm-arm/dma.h
+++ b/include/asm-arm/dma.h
@@ -91,7 +91,9 @@ extern void set_dma_sg(dmach_t channel, struct scatterlist *sg, int nr_sg);
* especially since some DMA architectures don't update the
* DMA address immediately, but defer it to the enable_dma().
*/
-extern void set_dma_addr(dmach_t channel, unsigned long physaddr);
+extern void __set_dma_addr(dmach_t channel, void *addr);
+#define set_dma_addr(channel, addr) \
+ __set_dma_addr(channel, bus_to_virt(addr))
/* Set the DMA byte count for this channel
*
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