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[PATCH] powerpc: fix cell iommu setup 

A small bug crept in the iommu driver when we made it more
generic. This patch is needed for boards that have a dma
window that does not start at bus address zero.

Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Arnd Bergmann 2006-03-23 00:00:04 +01:00 committed by Paul Mackerras
parent dd4d7bfad6
commit 5fa500bfc6
1 changed files with 2 additions and 2 deletions
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4
arch/powerpc/platforms/cell/iommu.c
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@ -289,7 +289,7 @@ static void cell_do_map_iommu(struct cell_iommu *iommu,
ioc_base = iommu->mapped_base;
ioc_mmio_base = iommu->mapped_mmio_base;
for (real_address = 0, io_address = 0;
for (real_address = 0, io_address = map_start;
io_address <= map_start + map_size;
real_address += io_page_size, io_address += io_page_size) {
ioste = get_iost_entry(fake_iopt, io_address, io_page_size);
@ -302,7 +302,7 @@ static void cell_do_map_iommu(struct cell_iommu *iommu,
set_iopt_cache(ioc_mmio_base,
get_ioc_hash_1way(ioste, io_address),
get_ioc_tag(ioste, io_address),
get_iopt_entry(real_address-map_start, ioid, IOPT_PROT_RW));
get_iopt_entry(real_address, ioid, IOPT_PROT_RW));
}
}