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authorDavid Daney <ddaney@caviumnetworks.com>2008-10-18 02:48:53 +0200
committerRalf Baechle <ralf@linux-mips.org>2008-10-27 17:18:25 +0100
commitf67ae98352284d7ac1e03f3a872e33c68ea35a5b (patch)
tree35f9dce737b2f2855927d10506f605d1d568ab64 /arch/mips/mm
parentMIPS: Fix debugfs_create_*'s error checking method for mips/kernel/ (diff)
downloadlinux-f67ae98352284d7ac1e03f3a872e33c68ea35a5b.tar.xz
linux-f67ae98352284d7ac1e03f3a872e33c68ea35a5b.zip
MIPS: Don't unmap the memory for dma_sync*.
We were getting away with this for so long only because the only platform with a non-empty plat_unmap_dma_mem() doesn't call dma_sync_sg_for_cpu() and dma_sync_sg_for_device() from its commonly used drivers. Signed-off-by: David Daney <ddaney@caviumnetworks.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/mm')
-rw-r--r--arch/mips/mm/dma-default.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/mips/mm/dma-default.c b/arch/mips/mm/dma-default.c
index 891312f8e5a6..5b98d0e731c2 100644
--- a/arch/mips/mm/dma-default.c
+++ b/arch/mips/mm/dma-default.c
@@ -324,7 +324,6 @@ void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
if (cpu_is_noncoherent_r10000(dev))
__dma_sync((unsigned long)page_address(sg_page(sg)),
sg->length, direction);
- plat_unmap_dma_mem(sg->dma_address);
}
}
@@ -342,7 +341,6 @@ void dma_sync_sg_for_device(struct device *dev, struct scatterlist *sg, int nele
if (!plat_device_is_coherent(dev))
__dma_sync((unsigned long)page_address(sg_page(sg)),
sg->length, direction);
- plat_unmap_dma_mem(sg->dma_address);
}
}