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authorBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-11-06 18:55:59 +0000
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2011-11-25 14:32:57 +1100
commit1f1616e864972fc82e1a144c7d23622d2aa2c6f2 (patch)
tree8e0439953be68803a6fc86384e7031212f5b1170 /arch/powerpc/platforms/pseries/iommu.c
parent48c2ce97fa406607ca5e11a76cf507d171452dd9 (diff)
downloadblackbird-op-linux-1f1616e864972fc82e1a144c7d23622d2aa2c6f2.tar.gz
blackbird-op-linux-1f1616e864972fc82e1a144c7d23622d2aa2c6f2.zip
powerpc/powernv: Add TCE SW invalidation support
This is used for newer IO Hubs such as p7IOC. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms/pseries/iommu.c')
-rw-r--r--arch/powerpc/platforms/pseries/iommu.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/powerpc/platforms/pseries/iommu.c b/arch/powerpc/platforms/pseries/iommu.c
index ea70667d4fc3..c442f2b1980f 100644
--- a/arch/powerpc/platforms/pseries/iommu.c
+++ b/arch/powerpc/platforms/pseries/iommu.c
@@ -106,7 +106,7 @@ static int tce_build_pSeries(struct iommu_table *tbl, long index,
tcep++;
}
- if (tbl->it_type == TCE_PCI_SW_INVAL)
+ if (tbl->it_type == TCE_PCI_SWINV_CREATE)
tce_invalidate_pSeries_sw(tbl, tces, tcep - 1);
return 0;
}
@@ -121,7 +121,7 @@ static void tce_free_pSeries(struct iommu_table *tbl, long index, long npages)
while (npages--)
*(tcep++) = 0;
- if (tbl->it_type == TCE_PCI_SW_INVAL)
+ if (tbl->it_type == TCE_PCI_SWINV_FREE)
tce_invalidate_pSeries_sw(tbl, tces, tcep - 1);
}
@@ -511,7 +511,7 @@ static void iommu_table_setparms(struct pci_controller *phb,
*/
tbl->it_index = (unsigned long) ioremap(sw_inval[0], 8);
tbl->it_busno = sw_inval[1]; /* overload this with magic */
- tbl->it_type = TCE_PCI_SW_INVAL;
+ tbl->it_type = TCE_PCI_SWINV_CREATE | TCE_PCI_SWINV_FREE;
}
}
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