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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>
Olof Johansson 18 년 전
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1개의 변경된 파일3개의 추가작업 그리고 3개의 파일을 삭제
  1. 3 3
      arch/powerpc/platforms/pasemi/iommu.c

+ 3 - 3
arch/powerpc/platforms/pasemi/iommu.c

@@ -93,7 +93,7 @@ static void iobmap_build(struct iommu_table *tbl, long index,
 
 	pr_debug("iobmap: build at: %lx, %lx, addr: %lx\n", index, npages, uaddr);
 
-	bus_addr = (tbl->it_offset + index) << PAGE_SHIFT;
+	bus_addr = (tbl->it_offset + index) << IOBMAP_PAGE_SHIFT;
 
 	ip = ((u32 *)tbl->it_base) + index;
 
@@ -118,7 +118,7 @@ static void iobmap_free(struct iommu_table *tbl, long index,
 
 	pr_debug("iobmap: free at: %lx, %lx\n", index, npages);
 
-	bus_addr = (tbl->it_offset + index) << PAGE_SHIFT;
+	bus_addr = (tbl->it_offset + index) << IOBMAP_PAGE_SHIFT;
 
 	ip = ((u32 *)tbl->it_base) + index;
 
@@ -137,7 +137,7 @@ static void iommu_table_iobmap_setup(void)
 	iommu_table_iobmap.it_busno = 0;
 	iommu_table_iobmap.it_offset = 0;
 	/* it_size is in number of entries */
-	iommu_table_iobmap.it_size = 0x80000000 >> PAGE_SHIFT;
+	iommu_table_iobmap.it_size = 0x80000000 >> IOBMAP_PAGE_SHIFT;
 
 	/* Initialize the common IOMMU code */
 	iommu_table_iobmap.it_base = (unsigned long)iob_l2_base;