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iommu sg merging: parisc: make iommu respect the segment size limits

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This patch makes iommu respect segment size limits when merging sg
lists.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: James Bottomley <James.Bottomley@steeleye.com>
Acked-by: Jens Axboe <jens.axboe@oracle.com>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Acked-by: Grant Grundler <grundler@parisc-linux.org>
Cc: Matthew Wilcox <willy@debian.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
FUJITA Tomonori
2008-02-04 22:28:03 -08:00
committed by Linus Torvalds
parent fde6a3c82d
commit d1b5163206
3 changed files with 8 additions and 3 deletions
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2
drivers/parisc/ccio-dma.c
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@ -941,7 +941,7 @@ ccio_map_sg(struct device *dev, struct scatterlist *sglist, int nents,
** w/o this association, we wouldn't have coherent DMA!
** Access to the virtual address is what forces a two pass algorithm.
*/
coalesced = iommu_coalesce_chunks(ioc, sglist, nents, ccio_alloc_range);
coalesced = iommu_coalesce_chunks(ioc, dev, sglist, nents, ccio_alloc_range);
/*
** Program the I/O Pdir