diff options
| author | Alexey Kardashevskiy <aik@ozlabs.ru> | 2014-06-06 18:44:02 +1000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2014-07-11 16:05:48 +1000 |
| commit | bc32057ed5cdb9ca1fe98af1363e26c0a4d14b5f (patch) | |
| tree | 672c6288076c646764b7b1a2b8c4de6be4059c65 /arch/powerpc/platforms/powernv/pci.c | |
| parent | b0376c9b08d627aac7cc282138a40edebae7b9ae (diff) | |
powerpc/powernv: Use it_page_shift in TCE build
This makes use of iommu_table::it_page_shift instead of TCE_SHIFT and
TCE_RPN_SHIFT hardcoded values.
Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms/powernv/pci.c')
| -rw-r--r-- | arch/powerpc/platforms/powernv/pci.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/powerpc/platforms/powernv/pci.c b/arch/powerpc/platforms/powernv/pci.c index f91a4e5d872e..b6cb9966f100 100644 --- a/arch/powerpc/platforms/powernv/pci.c +++ b/arch/powerpc/platforms/powernv/pci.c @@ -564,10 +564,11 @@ static int pnv_tce_build(struct iommu_table *tbl, long index, long npages, proto_tce |= TCE_PCI_WRITE; tces = tcep = ((__be64 *)tbl->it_base) + index - tbl->it_offset; - rpn = __pa(uaddr) >> TCE_SHIFT; + rpn = __pa(uaddr) >> tbl->it_page_shift; while (npages--) - *(tcep++) = cpu_to_be64(proto_tce | (rpn++ << TCE_RPN_SHIFT)); + *(tcep++) = cpu_to_be64(proto_tce | + (rpn++ << tbl->it_page_shift)); /* Some implementations won't cache invalid TCEs and thus may not * need that flush. We'll probably turn it_type into a bit mask |