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[POWERPC] pasemi: Another IOMMU bugfix for 64K PAGE_SIZE
More fallout from the switch from PAGE_SIZE based IOMMU to the native page
size for the driver. By pure luck it happened to work most of the time, since
we end up invalidating the wrong entries in the TLB.
Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>
authored by
Olof Johansson
and committed by
Paul Mackerras
dfa70f81
1a8f4610
+3
-3
arch/powerpc/platforms/pasemi/iommu.c
+3
-3
arch/powerpc/platforms/pasemi/iommu.c
···
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pr_debug("iobmap: build at: %lx, %lx, addr: %lx\n", index, npages, uaddr);
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-
bus_addr = (tbl->it_offset + index) << PAGE_SHIFT;
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+
bus_addr = (tbl->it_offset + index) << IOBMAP_PAGE_SHIFT;
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ip = ((u32 *)tbl->it_base) + index;
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···
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pr_debug("iobmap: free at: %lx, %lx\n", index, npages);
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-
bus_addr = (tbl->it_offset + index) << PAGE_SHIFT;
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+
bus_addr = (tbl->it_offset + index) << IOBMAP_PAGE_SHIFT;
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ip = ((u32 *)tbl->it_base) + index;
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···
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iommu_table_iobmap.it_busno = 0;
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iommu_table_iobmap.it_offset = 0;
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/* it_size is in number of entries */
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-
iommu_table_iobmap.it_size = 0x80000000 >> PAGE_SHIFT;
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+
iommu_table_iobmap.it_size = 0x80000000 >> IOBMAP_PAGE_SHIFT;
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/* Initialize the common IOMMU code */
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iommu_table_iobmap.it_base = (unsigned long)iob_l2_base;