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| author | Michal Ostrowski <mostrows@watson.ibm.com> | 2005-12-02 13:09:13 +1100 |
|---|---|---|
| committer | Paul Mackerras <paulus@samba.org> | 2005-12-02 14:51:22 +1100 |
| commit | cc8b5c96a7ac7d695c2887427b1003bd33ec9c97 (patch) | |
| tree | a8a745d54dae93438b6479cf807e07a51f8b210e /arch/powerpc/platforms/pseries | |
| parent | deda498710e190c7922c2634ed630ee64ce86c05 (diff) | |
| download | op-kernel-dev-cc8b5c96a7ac7d695c2887427b1003bd33ec9c97.zip op-kernel-dev-cc8b5c96a7ac7d695c2887427b1003bd33ec9c97.tar.gz | |
[PATCH] powerpc/pseries: Fix TCE building with 64k pagesize
Must adjust tcenum and npages by TCE_PAGE_FACTOR to convert between
64KB pages and TCE (4K) pages. (This is done in other places, except
for this one location.)
Signed-off-by: Michal Ostrowski <mostrows at watson ibm com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/platforms/pseries')
| -rw-r--r-- | arch/powerpc/platforms/pseries/iommu.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c index c78f2b2..fa1edbd 100644 --- a/arch/powerpc/platforms/pseries/iommu.c +++ b/arch/powerpc/platforms/pseries/iommu.c @@ -109,6 +109,9 @@ static void tce_build_pSeriesLP(struct iommu_table *tbl, long tcenum, u64 rc; union tce_entry tce; + tcenum <<= TCE_PAGE_FACTOR; + npages <<= TCE_PAGE_FACTOR; + tce.te_word = 0; tce.te_rpn = (virt_to_abs(uaddr)) >> TCE_SHIFT; tce.te_rdwr = 1; @@ -143,9 +146,6 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum, union tce_entry tce, *tcep; long l, limit; - tcenum <<= TCE_PAGE_FACTOR; - npages <<= TCE_PAGE_FACTOR; - if (npages == 1) return tce_build_pSeriesLP(tbl, tcenum, npages, uaddr, direction); @@ -164,6 +164,9 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum, __get_cpu_var(tce_page) = tcep; } + tcenum <<= TCE_PAGE_FACTOR; + npages <<= TCE_PAGE_FACTOR; + tce.te_word = 0; tce.te_rpn = (virt_to_abs(uaddr)) >> TCE_SHIFT; tce.te_rdwr = 1; |
