aboutsummaryrefslogtreecommitdiffstats
path: root/lib/iommu-helper.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2010-09-09 02:49:04 -0400
committerDavid S. Miller <davem@davemloft.net>2010-09-09 02:49:04 -0400
commite199e6136ce6b151e6638ae93dca60748424d900 (patch)
tree0d66e0b5d227c36b005e4f5537f4bbcfc6ed4904 /lib/iommu-helper.c
parent972c40b5bee429c84ba727f8ac0a08292bc5dc3d (diff)
parentd56557af19867edb8c0e96f8e26399698a08857f (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Diffstat (limited to 'lib/iommu-helper.c')
-rw-r--r--lib/iommu-helper.c9
1 files changed, 0 insertions, 9 deletions
diff --git a/lib/iommu-helper.c b/lib/iommu-helper.c
index c0251f4ad08b..da053313ee5c 100644
--- a/lib/iommu-helper.c
+++ b/lib/iommu-helper.c
@@ -38,12 +38,3 @@ again:
38 return -1; 38 return -1;
39} 39}
40EXPORT_SYMBOL(iommu_area_alloc); 40EXPORT_SYMBOL(iommu_area_alloc);
41
42unsigned long iommu_num_pages(unsigned long addr, unsigned long len,
43 unsigned long io_page_size)
44{
45 unsigned long size = (addr & (io_page_size - 1)) + len;
46
47 return DIV_ROUND_UP(size, io_page_size);
48}
49EXPORT_SYMBOL(iommu_num_pages);