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| author | Alistair Popple <alistair@popple.id.au> | 2013-12-09 18:17:02 +1100 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-12-30 14:17:13 +1100 |
| commit | 3a553170d35d69bea3877bffa508489dfa6f133d (patch) | |
| tree | 9cb5b53ea4a60e10c9cfe2644f35a9fe4673d050 /arch/powerpc/platforms/powernv | |
| parent | e589a4404fa06730355de204d3d136ed9bbc7dea (diff) | |
| download | blackbird-op-linux-3a553170d35d69bea3877bffa508489dfa6f133d.tar.gz blackbird-op-linux-3a553170d35d69bea3877bffa508489dfa6f133d.zip | |
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/powernv')
| -rw-r--r-- | arch/powerpc/platforms/powernv/pci.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c index 7f4d857668a9..569b46423a93 100644 --- a/arch/powerpc/platforms/powernv/pci.c +++ b/arch/powerpc/platforms/powernv/pci.c @@ -564,7 +564,8 @@ void pnv_pci_setup_iommu_table(struct iommu_table *tbl, { tbl->it_blocksize = 16; tbl->it_base = (unsigned long)tce_mem; - tbl->it_offset = dma_offset >> IOMMU_PAGE_SHIFT_4K; + tbl->it_page_shift = IOMMU_PAGE_SHIFT_4K; + tbl->it_offset = dma_offset >> tbl->it_page_shift; tbl->it_index = 0; tbl->it_size = tce_size >> 3; tbl->it_busno = 0; |
