From: Michal Ostrowski Date: Fri, 2 Dec 2005 02:09:13 +0000 (+1100) Subject: [PATCH] powerpc/pseries: Fix TCE building with 64k pagesize X-Git-Tag: v2.6.15-rc6~146^2~13 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=cc8b5c96a7ac7d695c2887427b1003bd33ec9c97;p=platform%2Fkernel%2Flinux-3.10.git [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 Signed-off-by: Benjamin Herrenschmidt Signed-off-by: Paul Mackerras --- 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;