[MIPS] Always use virt_to_phys() when translating kernel addresses
This patch fixes two places where we used plain 'x - PAGE_OFFSET' to
achieve virtual to physical address convertions. This type of convertion
is no more allowed since commit 6f284a2ce7b8bc49cb8455b1763357897a899abb.
Reported-by: Maxime Bizon <mbizon@freebox.fr>
Signed-off-by: Franck Bui-Huu <fbuihuu@gmail.com>
[Build fixes for machines that don't use the generic dma-coherence.h]
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/include/asm-mips/pgtable-64.h b/include/asm-mips/pgtable-64.h
index a5b1871..49f5a1a 100644
--- a/include/asm-mips/pgtable-64.h
+++ b/include/asm-mips/pgtable-64.h
@@ -199,7 +199,7 @@
{
return pud_val(pud);
}
-#define pud_phys(pud) (pud_val(pud) - PAGE_OFFSET)
+#define pud_phys(pud) virt_to_phys((void *)pud_val(pud))
#define pud_page(pud) (pfn_to_page(pud_phys(pud) >> PAGE_SHIFT))
/* Find an entry in the second-level page table.. */