[POWERPC] pasemi: Fix iommu + 64K PAGE_SIZE bug

The powerpc iommu code was refactored by Linas back in the 2.6.20 time
frame to map 4K pages from the generic code, but I had forgotten to go
back and fix my platform driver before submitting it.

Signed-off-by: Olof Johansson <olof@lixom.net>
Signed-off-by: Paul Mackerras <paulus@samba.org>

diff --git a/arch/powerpc/platforms/pasemi/iommu.c b/arch/powerpc/platforms/pasemi/iommu.c
index 95fa6a7d15ee4d11aab9e8543d8ac59d11f4c1f7..f33b21b9f5d4338d9ad9c01ba610a90250b7e132 100644 (file)
--- a/arch/powerpc/platforms/pasemi/iommu.c
+++ b/arch/powerpc/platforms/pasemi/iommu.c
@@ -31,8 +31,6 @@
 #define IOBMAP_PAGE_SIZE       (1 << IOBMAP_PAGE_SHIFT)
 #define IOBMAP_PAGE_MASK       (IOBMAP_PAGE_SIZE - 1)
 
-#define IOBMAP_PAGE_FACTOR     (PAGE_SHIFT - IOBMAP_PAGE_SHIFT)
-
 #define IOB_BASE               0xe0000000
 #define IOB_SIZE               0x3000
 /* Configuration registers */
@@ -97,9 +95,6 @@ static void iobmap_build(struct iommu_table *tbl, long index,
 
        bus_addr = (tbl->it_offset + index) << PAGE_SHIFT;
 
-       npages <<= IOBMAP_PAGE_FACTOR;
-       index <<= IOBMAP_PAGE_FACTOR;
-
        ip = ((u32 *)tbl->it_base) + index;
 
        while (npages--) {
@@ -125,9 +120,6 @@ static void iobmap_free(struct iommu_table *tbl, long index,
 
        bus_addr = (tbl->it_offset + index) << PAGE_SHIFT;
 
-       npages <<= IOBMAP_PAGE_FACTOR;
-       index <<= IOBMAP_PAGE_FACTOR;
-
        ip = ((u32 *)tbl->it_base) + index;
 
        while (npages--) {