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alpha: convert IOMMU to use ALIGN() 

This patch is preparation for modifications to fix the IOMMU segment boundary
problem.

Signed-off-by: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
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 2008-03-04 14:28:54 -08:00 committed by Linus Torvalds
parent 040922c04c
commit 3c5f1def7d
1 changed files with 3 additions and 3 deletions
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6
arch/alpha/kernel/pci_iommu.c
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@ -136,11 +136,11 @@ iommu_arena_find_pages(struct pci_iommu_arena *arena, long n, long mask)
/* Search forward for the first mask-aligned sequence of N free ptes */
ptes = arena->ptes;
nent = arena->size >> PAGE_SHIFT;
p = (arena->next_entry + mask) & ~mask;
p = ALIGN(arena->next_entry, mask + 1);
i = 0;
while (i < n && p+i < nent) {
if (ptes[p+i])
p = (p + i + 1 + mask) & ~mask, i = 0;
p = ALIGN(p + i + 1, mask + 1), i = 0;
else
i = i + 1;
}
@ -153,7 +153,7 @@ iommu_arena_find_pages(struct pci_iommu_arena *arena, long n, long mask)
p = 0, i = 0;
while (i < n && p+i < nent) {
if (ptes[p+i])
p = (p + i + 1 + mask) & ~mask, i = 0;
p = ALIGN(p + i + 1, mask + 1), i = 0;
else
i = i + 1;
}