Update MIPS to use the 4-level pagetable code thereby getting rid of

the compacrapability headers.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

1 files changed, 9 insertions, 6 deletions

diff --git a/arch/mips/mm/ioremap.c b/arch/mips/mm/ioremap.c
index adf352273f63..d06107360db4 100644
--- a/arch/mips/mm/ioremap.c
+++ b/arch/mips/mm/ioremap.c
@@ -79,9 +79,14 @@ static int remap_area_pages(unsigned long address, phys_t phys_addr,
                 BUG();
         spin_lock(&init_mm.page_table_lock);
         do {
+                pud_t *pud;
                 pmd_t *pmd;
-                pmd = pmd_alloc(&init_mm, dir, address);
+
                 error = -ENOMEM;
+                pud = pud_alloc(&init_mm, dir, address);
+                if (!pud)
+                        break;
+                pmd = pmd_alloc(&init_mm, pud, address);
                 if (!pmd)
                         break;
                 if (remap_area_pmd(pmd, address, end - address,
@@ -141,7 +146,7 @@ void * __ioremap(phys_t phys_addr, phys_t size, unsigned long flags)
          */
         if (IS_LOW512(phys_addr) && IS_LOW512(last_addr) &&
             flags == _CACHE_UNCACHED)
-                return (void *) KSEG1ADDR(phys_addr);
+                return (void *) CKSEG1ADDR(phys_addr);
 
         /*
          * Don't allow anybody to remap normal RAM that we're using..
@@ -180,7 +185,7 @@ void * __ioremap(phys_t phys_addr, phys_t size, unsigned long flags)
         return (void *) (offset + (char *)addr);
 }
 
-#define IS_KSEG1(addr) (((unsigned long)(addr) & ~0x1fffffffUL) == KSEG1)
+#define IS_KSEG1(addr) (((unsigned long)(addr) & ~0x1fffffffUL) == CKSEG1)
 
 void __iounmap(volatile void __iomem *addr)
 {
@@ -190,10 +195,8 @@ void __iounmap(volatile void __iomem *addr)
                 return;
 
         p = remove_vm_area((void *) (PAGE_MASK & (unsigned long __force) addr));
-        if (!p) {
+        if (!p)
                 printk(KERN_ERR "iounmap: bad address %p\n", addr);
-                return;
-        }
 
         kfree(p);
 }