* Copyright (C) 1997,1998 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
*/
-#include <linux/config.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/mm.h>
unsigned long start;
unsigned long end;
- start = (unsigned long)iopte & PAGE_MASK;
+ start = (unsigned long)iopte;
end = PAGE_ALIGN(start + niopte*sizeof(iopte_t));
+ start &= PAGE_MASK;
if (viking_mxcc_present) {
while(start < end) {
viking_mxcc_flush_page(start);
int ioptex;
int i;
- if (busa < iommu->start)
- BUG();
+ BUG_ON(busa < iommu->start);
ioptex = (busa - iommu->start) >> PAGE_SHIFT;
for (i = 0; i < npages; i++) {
iopte_val(iommu->page_table[ioptex + i]) = 0;
iopte_t *first;
int ioptex;
- if ((va & ~PAGE_MASK) != 0) BUG();
- if ((addr & ~PAGE_MASK) != 0) BUG();
- if ((len & ~PAGE_MASK) != 0) BUG();
+ BUG_ON((va & ~PAGE_MASK) != 0);
+ BUG_ON((addr & ~PAGE_MASK) != 0);
+ BUG_ON((len & ~PAGE_MASK) != 0);
/* page color = physical address */
ioptex = bit_map_string_get(&iommu->usemap, len >> PAGE_SHIFT,
unsigned long end;
int ioptex = (busa - iommu->start) >> PAGE_SHIFT;
- if ((busa & ~PAGE_MASK) != 0) BUG();
- if ((len & ~PAGE_MASK) != 0) BUG();
+ BUG_ON((busa & ~PAGE_MASK) != 0);
+ BUG_ON((len & ~PAGE_MASK) != 0);
iopte += ioptex;
end = busa + len;