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| author | Alistair Popple <alistair@popple.id.au> | 2013-12-09 11:17:02 +0400 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-12-30 07:17:13 +0400 |
| commit | 3a553170d35d69bea3877bffa508489dfa6f133d (patch) | |
| tree | 9cb5b53ea4a60e10c9cfe2644f35a9fe4673d050 /arch/powerpc/platforms/pasemi | |
| parent | e589a4404fa06730355de204d3d136ed9bbc7dea (diff) | |
| download | linux-3a553170d35d69bea3877bffa508489dfa6f133d.tar.xz | |
powerpc/iommu: Add it_page_shift field to determine iommu page size
This patch adds a it_page_shift field to struct iommu_table and
initiliases it to 4K for all platforms.
Signed-off-by: Alistair Popple <alistair@popple.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms/pasemi')
| -rw-r--r-- | arch/powerpc/platforms/pasemi/iommu.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/pasemi/iommu.c b/arch/powerpc/platforms/pasemi/iommu.c index 7d2d036754b5..2e576f2ae442 100644 --- a/arch/powerpc/platforms/pasemi/iommu.c +++ b/arch/powerpc/platforms/pasemi/iommu.c @@ -138,8 +138,11 @@ static void iommu_table_iobmap_setup(void) pr_debug(" -> %s\n", __func__); iommu_table_iobmap.it_busno = 0; iommu_table_iobmap.it_offset = 0; + iommu_table_iobmap.it_page_shift = IOBMAP_PAGE_SHIFT; + /* it_size is in number of entries */ - iommu_table_iobmap.it_size = 0x80000000 >> IOBMAP_PAGE_SHIFT; + iommu_table_iobmap.it_size = + 0x80000000 >> iommu_table_iobmap.it_page_shift; /* Initialize the common IOMMU code */ iommu_table_iobmap.it_base = (unsigned long)iob_l2_base; |