a7y18lte-ubports/android_kernel_samsung_universal7885
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MIPS: Don't unmap the memory for dma_sync*.

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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>
This commit is contained in:
David Daney 2008-10-17 17:48:53 -07:00 committed by Ralf Baechle
parent b517531ce5
commit f67ae98352
1 changed files with 0 additions and 2 deletions
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2
arch/mips/mm/dma-default.c
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@ -324,7 +324,6 @@ void dma_sync_sg_for_cpu(struct device *dev, struct scatterlist *sg, int nelems,
if (cpu_is_noncoherent_r10000(dev)) if (cpu_is_noncoherent_r10000(dev))
__dma_sync((unsigned long)page_address(sg_page(sg)), __dma_sync((unsigned long)page_address(sg_page(sg)),
sg->length, direction); 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)) if (!plat_device_is_coherent(dev))
__dma_sync((unsigned long)page_address(sg_page(sg)), __dma_sync((unsigned long)page_address(sg_page(sg)),
sg->length, direction); sg->length, direction);
plat_unmap_dma_mem(sg->dma_address);
} }
} }