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[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>
This commit is contained in:
Michal Ostrowski 2005-12-02 13:09:13 +11:00 committed by Paul Mackerras
parent deda498710
commit cc8b5c96a7
1 changed files with 6 additions and 3 deletions
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9
arch/powerpc/platforms/pseries/iommu.c
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@ -109,6 +109,9 @@ static void tce_build_pSeriesLP(struct iommu_table *tbl, long tcenum,
u64 rc; u64 rc;
union tce_entry tce; union tce_entry tce;
tcenum <<= TCE_PAGE_FACTOR;
npages <<= TCE_PAGE_FACTOR;
tce.te_word = 0; tce.te_word = 0;
tce.te_rpn = (virt_to_abs(uaddr)) >> TCE_SHIFT; tce.te_rpn = (virt_to_abs(uaddr)) >> TCE_SHIFT;
tce.te_rdwr = 1; tce.te_rdwr = 1;
@ -143,9 +146,6 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
union tce_entry tce, *tcep; union tce_entry tce, *tcep;
long l, limit; long l, limit;
tcenum <<= TCE_PAGE_FACTOR;
npages <<= TCE_PAGE_FACTOR;
if (npages == 1) if (npages == 1)
return tce_build_pSeriesLP(tbl, tcenum, npages, uaddr, return tce_build_pSeriesLP(tbl, tcenum, npages, uaddr,
direction); direction);
@ -164,6 +164,9 @@ static void tce_buildmulti_pSeriesLP(struct iommu_table *tbl, long tcenum,
__get_cpu_var(tce_page) = tcep; __get_cpu_var(tce_page) = tcep;
} }
tcenum <<= TCE_PAGE_FACTOR;
npages <<= TCE_PAGE_FACTOR;
tce.te_word = 0; tce.te_word = 0;
tce.te_rpn = (virt_to_abs(uaddr)) >> TCE_SHIFT; tce.te_rpn = (virt_to_abs(uaddr)) >> TCE_SHIFT;
tce.te_rdwr = 1; tce.te_rdwr = 1;